{"title":"MS 400 C-M","description":null,"products":[{"product_id":"ms-400-c-m-w-18-b-c","title":"STIHL® MS 400 C-M Professional-Grade Gas Chainsaw","description":"\u003cp\u003eThe \u003cstrong\u003e\u003ca href=\"https:\/\/arns.ca\/products\/ms-400-c-m-w-18-b-c\"\u003eSTIHL MS 400 C-M\u003c\/a\u003e\u003c\/strong\u003e is a high-performance professional chainsaw built for forestry crews, arborists, experienced landowners, and serious firewood operators who want more cutting power than the MS 362 C-M without moving to the larger MS 462 C-M platform.\u003c\/p\u003e\n\u003cp\u003eIts \u003cstrong\u003e66.8 cc STIHL 2-MIX engine\u003c\/strong\u003e produces \u003cstrong\u003e4.0 kW or approximately 5.4 hp\u003c\/strong\u003e, while the powerhead weighs approximately \u003cstrong\u003e5.8 kg\u003c\/strong\u003e. This gives the MS 400 C-M a power-to-weight ratio of just \u003cstrong\u003e1.45 kg per kW\u003c\/strong\u003e, placing it remarkably close to the larger MS 462 C-M while remaining more manageable for limbing, bucking, and mixed forestry work. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/p\/chainsaws-ms-400-107810\" title=\"Find the MS 400 C-M gas chainsaw here\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThe MS 400 C-M was also the first production chainsaw fitted with a magnesium piston as standard. STIHL used the lighter piston material to increase displacement and power without adding the weight normally associated with a larger engine. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/professional\/innovation-technology\/magnesium-piston\" title=\"Engine technology: magnesium pistons\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch2\u003eOur Recommendation\u003c\/h2\u003e\n\u003cp\u003eWe recommend the STIHL MS 400 C-M to professional and highly experienced operators who regularly find the MS 362 C-M working near its limits, but do not need to carry a full 70 cc felling saw.\u003c\/p\u003e\n\u003cp\u003eIt is an especially strong choice for operators who spend their day moving between limbing, felling, and bucking. The MS 400 C-M provides substantially more cutting output than the MS 362 while adding only about 200 grams to the listed powerhead weight. That makes the upgrade easy to justify when faster production matters. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/professional\/innovation-technology\/magnesium-piston\" title=\"Engine technology: magnesium pistons\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThe MS 400 C-M is not automatically the right saw for every acreage owner or firewood cutter. The \u003ca href=\"https:\/\/arns.ca\/products\/stihl%C2%AE-ms-391\"\u003eMS 391\u003c\/a\u003e remains a capable and more economical option for seasonal rural use. The professional MS 400 earns its higher price through lower weight for its output, faster acceleration, M-Tronic engine management, professional filtration, and construction intended for frequent forestry work.\u003c\/p\u003e\n\u003cp\u003eOperators primarily cutting large timber with longer guide bars should also compare the \u003ca href=\"https:\/\/arns.ca\/collections\/stihl-chainsaws\"\u003eMS 462 C-M\u003c\/a\u003e. The MS 462 provides greater displacement and power with only a modest increase in powerhead weight.\u003c\/p\u003e\n\u003ch2\u003eBest Suited For\u003c\/h2\u003e\n\u003cp\u003eThe STIHL MS 400 C-M is particularly well suited to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eProfessional forestry and tree care\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFelling and processing medium-density timber\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFast limbing and delimbing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRegular firewood production\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStorm and windfall cleanup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommercial acreage and rural property work\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOperators who want more output than the MS 362 without carrying a much larger saw\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExperienced users who regularly run 18-inch, 20-inch, or 25-inch cutting attachments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e66.8 cc Professional Performance\u003c\/h2\u003e\n\u003cp\u003eThe MS 400 C-M uses a \u003cstrong\u003e66.8 cc engine producing 4.0 kW\u003c\/strong\u003e. STIHL lists the saw at approximately \u003cstrong\u003e5.8 kg without fuel, guide bar, or chain\u003c\/strong\u003e. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/p\/chainsaws-ms-400-107810\" title=\"Find the MS 400 C-M gas chainsaw here\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThat output gives the MS 400 C-M a noticeable advantage when cutting:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMedium and larger softwood\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHardwood firewood\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRepeated logs during production cutting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStorm-damaged trees\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTimber that places sustained demand on a 20-inch bar\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarger limbs and stems that slow down a 50 cc or 60 cc saw\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MS 400 is not simply a larger-displacement MS 362. Its professional engine and lightweight construction allow it to cut with greater authority while retaining the handling expected from a versatile forestry saw.\u003c\/p\u003e\n\u003ch2\u003eMagnesium Piston Technology\u003c\/h2\u003e\n\u003cp\u003eThe defining feature of the MS 400 C-M is its magnesium piston.\u003c\/p\u003e\n\u003cp\u003eMost chainsaw pistons are made from aluminum. STIHL developed a magnesium alloy piston that is lighter while remaining suitable for the heat, speed, and stress found inside a professional chainsaw engine. The reduced piston weight allowed STIHL to increase displacement and rated power without significantly increasing the saw’s overall weight. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/professional\/innovation-technology\/magnesium-piston\" title=\"Engine technology: magnesium pistons\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eSTIHL states that the magnesium piston also supports:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eA higher maximum rotational speed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproved cutting performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBetter power-to-weight\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduced vibration transmitted through the machine\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProfessional durability under challenging forestry conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe practical benefit is not that the owner needs to think about the piston during normal operation. It is that the MS 400 delivers near-70 cc performance in a saw that remains close to the MS 362 in weight.\u003c\/p\u003e\n\u003ch2\u003eWhere the MS 400 C-M Fits in the STIHL Lineup\u003c\/h2\u003e\n\u003cp\u003eThe MS 400 C-M occupies a valuable position between the 59 cc MS 362 C-M and the larger MS 462 C-M.\u003c\/p\u003e\n\u003cp\u003eThe MS 362 remains a balanced all-around professional saw for medium timber and regular firewood. The MS 462 is built for larger felling and bucking work. The MS 400 bridges the gap by delivering a major increase in output without a dramatic increase in weight.\u003c\/p\u003e\n\u003cp\u003eThis makes it particularly useful for operators who need one saw to cover:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLimbing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFelling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBucking\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFirewood processing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStorm cleanup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGeneral forestry work\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MS 400 may not replace a larger saw for long-bar work in oversized timber, but it can reduce how often an operator needs to carry the heavier model.\u003c\/p\u003e\n\u003ch2\u003eSTIHL M-Tronic Engine Management\u003c\/h2\u003e\n\u003cp\u003eThe “C-M” designation identifies STIHL’s \u003cstrong\u003eM-Tronic electronic engine-management system\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eM-Tronic regulates ignition timing and fuel delivery while accounting for changing operating conditions such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTemperature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eElevation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFuel quality\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEngine temperature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAir-filter restriction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCutting load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis helps the MS 400 maintain consistent performance without requiring the operator to manually adjust conventional high-speed and low-speed carburetor screws. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/p\/chainsaws-ms-400-107810\" title=\"Find the MS 400 C-M gas chainsaw here\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eFor operators working in Alberta, this is useful when moving between cold winter cutting, hot and dusty summer work, and different elevations across Calgary, the foothills, and mountain properties.\u003c\/p\u003e\n\u003cp\u003eM-Tronic does not eliminate maintenance. Fresh fuel, a clean filter, open cooling passages, proper chain lubrication, and a sharp chain remain essential.\u003c\/p\u003e\n\u003ch2\u003eChoosing a Guide-Bar Length\u003c\/h2\u003e\n\u003cp\u003eThe current Canadian STIHL listing identifies an \u003cstrong\u003e18-inch configuration\u003c\/strong\u003e for the MS 400 C-M, while professional users may select other suitable cutting attachments based on availability and application. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/p\/chainsaws-ms-400-107810\" title=\"Find the MS 400 C-M gas chainsaw here\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch3\u003e18-Inch Bar\u003c\/h3\u003e\n\u003cp\u003eAn 18-inch bar creates a responsive and manoeuvrable professional setup.\u003c\/p\u003e\n\u003cp\u003eIt is a strong choice for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLimbing and delimbing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMedium timber\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMixed forestry work\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCarrying the saw for long periods\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOperators who prioritize speed and handling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith an 18-inch bar, the MS 400 has abundant power available and can accelerate quickly through repeated cuts.\u003c\/p\u003e\n\u003ch3\u003e20-Inch Bar\u003c\/h3\u003e\n\u003cp\u003eA 20-inch bar is likely to be the most versatile configuration for many professional users.\u003c\/p\u003e\n\u003cp\u003eIt provides useful reach while retaining much of the saw’s balanced handling. It is well suited to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRegular firewood production\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFelling medium trees\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBucking mixed log sizes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStorm cleanup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGeneral professional forestry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e25-Inch Bar\u003c\/h3\u003e\n\u003cp\u003eA 25-inch setup can take advantage of the MS 400’s displacement when larger timber is encountered.\u003c\/p\u003e\n\u003cp\u003eIt is most appropriate when:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLonger reach is regularly useful\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBucking and felling are more common than detailed limbing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe operator understands the added oiling and maintenance demands\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe wood size justifies the additional bar weight\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA longer guide bar does not increase engine power. Operators spending most of their day in smaller timber may be faster and less fatigued with an 18-inch or 20-inch setup.\u003c\/p\u003e\n\u003ch2\u003eLong-Life Air-Filtration System\u003c\/h2\u003e\n\u003cp\u003eThe MS 400 C-M uses STIHL’s professional long-life filtration system.\u003c\/p\u003e\n\u003cp\u003eA pre-separation system removes larger sawdust and debris before the air reaches the primary filter. The HD2 filter then captures finer particles, helping protect the engine and extend cleaning intervals. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/p\/chainsaws-ms-400-107810\" title=\"Find the MS 400 C-M gas chainsaw here\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eThis is particularly useful when cutting:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDry or dead timber\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDirty bark\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWindfall close to the ground\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFirewood stored in dusty areas\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBeetle-damaged wood\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTimber during Southern Alberta’s dry summer conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe system extends filter life, but it does not make the filter maintenance-free. A restricted or damaged filter can reduce performance and allow abrasive contamination into the engine.\u003c\/p\u003e\n\u003ch2\u003eAdjustable Chain-Oil Pump\u003c\/h2\u003e\n\u003cp\u003eThe MS 400 C-M includes a controlled-delivery oil pump that allows the operator to adjust chain-oil output for the installed guide bar and cutting conditions.\u003c\/p\u003e\n\u003cp\u003eOil delivery can be increased for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLonger guide bars\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDry or abrasive timber\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSustained heavy cutting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDusty working conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCold weather when lubricant flow may change\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSTIHL states that the adjustable system can reduce oil consumption by up to 50 percent when correctly configured. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/p\/chainsaws-ms-400-107810\" title=\"Find the MS 400 C-M gas chainsaw here\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eOil flow should never be reduced below the amount required to keep the bar and chain properly lubricated. Inadequate oil can damage the guide bar, chain, sprocket, clutch area, and oiling system.\u003c\/p\u003e\n\u003ch2\u003eSTIHL Ematic Lubrication System\u003c\/h2\u003e\n\u003cp\u003eThe STIHL Ematic system combines the guide bar, Oilomatic saw chain, and adjustable oil pump to direct chain lubricant toward the areas where it is needed.\u003c\/p\u003e\n\u003cp\u003eThis helps reduce unnecessary oil loss while maintaining lubrication during sustained forestry work. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/p\/chainsaws-ms-400-107810\" title=\"Find the MS 400 C-M gas chainsaw here\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eOperators should regularly inspect:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eChain-oil level\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOil delivery from the saw\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGuide-bar oil holes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe bar groove\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDrive sprocket condition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSigns of excessive heat or discolouration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA properly operating lubrication system is essential to realizing the saw’s cutting performance.\u003c\/p\u003e\n\u003ch2\u003eManual Decompression Valve and ElastoStart\u003c\/h2\u003e\n\u003cp\u003eThe MS 400 C-M includes a manual decompression valve that releases part of the cylinder pressure during starting.\u003c\/p\u003e\n\u003cp\u003eThis reduces the effort required to pull the starter rope and decreases stress on the starting components. The valve closes once the engine fires. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/p\/chainsaws-ms-400-107810\" title=\"Find the MS 400 C-M gas chainsaw here\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eSTIHL ElastoStart further smooths the starting process by reducing the sudden force transferred through the starter handle.\u003c\/p\u003e\n\u003cp\u003eThese systems help make a high-compression professional saw easier to start, but the operator must still follow the proper cold-start and warm-start procedure.\u003c\/p\u003e\n\u003ch2\u003eProfessional Anti-Vibration System\u003c\/h2\u003e\n\u003cp\u003eThe MS 400 C-M uses STIHL’s anti-vibration system to reduce the amount of engine vibration transferred to the front and rear handles.\u003c\/p\u003e\n\u003cp\u003eBuffer and spring elements help isolate the handles from the powerhead, supporting greater comfort during long periods of limbing, felling, and bucking. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/p\/chainsaws-ms-400-107810\" title=\"Find the MS 400 C-M gas chainsaw here\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eReduced vibration does not eliminate fatigue. Operators should continue taking regular breaks and stop before tiredness affects grip, balance, judgment, or reaction time.\u003c\/p\u003e\n\u003ch2\u003eCaptive Bar Nuts and Side Chain Tensioning\u003c\/h2\u003e\n\u003cp\u003eCaptive bar nuts remain attached to the sprocket cover when loosened, reducing the chance of losing them during chain adjustment or guide-bar service.\u003c\/p\u003e\n\u003cp\u003eThis is particularly useful when maintenance is performed:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eIn snow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIn leaves or tall grass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOn a remote jobsite\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIn the back of a service truck\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAway from a workshop\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MS 400 also uses side-mounted chain tensioning, allowing the adjustment screw to be reached from the side of the powerhead. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/p\/chainsaws-ms-400-107810\" title=\"Find the MS 400 C-M gas chainsaw here\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eChain tension should be checked before work, after installing a new chain, after the first few cuts, and periodically as the chain heats and cools.\u003c\/p\u003e\n\u003ch2\u003eSTIHL Professional Chainsaw Comparison\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth align=\"right\"\u003eDisplacement\u003c\/th\u003e\n\u003cth align=\"right\"\u003ePower\u003c\/th\u003e\n\u003cth align=\"right\"\u003eApprox. Powerhead Weight\u003c\/th\u003e\n\u003cth align=\"right\"\u003ePower-to-Weight\u003c\/th\u003e\n\u003cth\u003eBest Suited For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/arns.ca\/products\/stihl%C2%AE-ms-362-c-m-chainsaw\"\u003eSTIHL MS 362 C-M\u003c\/a\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e59 cc\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e3.5 kW \/ 4.7 hp\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e5.6 kg\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1.60 kg\/kW\u003c\/td\u003e\n\u003ctd\u003eGeneral forestry, medium timber, and professional firewood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/arns.ca\/products\/stihl%C2%AE-ms-391\"\u003eSTIHL MS 391\u003c\/a\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e64.1 cc\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e3.3 kW \/ 4.5 hp\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eApprox. 6.2 kg\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eApprox. 1.88 kg\/kW\u003c\/td\u003e\n\u003ctd\u003eFarms, acreages, larger firewood, and construction timber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/arns.ca\/products\/ms-400-c-m-w-18-b-c\"\u003eSTIHL MS 400 C-M\u003c\/a\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e66.8 cc\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e4.0 kW \/ 5.4 hp\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e5.8 kg\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1.45 kg\/kW\u003c\/td\u003e\n\u003ctd\u003eHigh-production forestry, limbing, and medium-to-large timber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/arns.ca\/collections\/stihl-chainsaws\"\u003eSTIHL MS 462 C-M\u003c\/a\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eApprox. 72 cc\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e4.4 kW \/ 6 hp\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eApprox. 6.0 kg\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1.40 kg\/kW\u003c\/td\u003e\n\u003ctd\u003eProfessional felling, bucking, and larger timber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/arns.ca\/products\/stihl%C2%AE-ms-500i\"\u003eSTIHL MS 500i\u003c\/a\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e79.2 cc\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eApprox. 5.0 kW \/ 6.8 hp\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eApprox. 6.2 kg\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eApprox. 1.24 kg\/kW\u003c\/td\u003e\n\u003ctd\u003eHigh-production forestry and rapid acceleration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/arns.ca\/products\/stihl%C2%AE-ms-661-c-m-chainsaw\"\u003eSTIHL MS 661 C-M\u003c\/a\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e91.1 cc\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eApprox. 5.4 kW \/ 7.3 hp\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eApprox. 7.5 kg\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eApprox. 1.39 kg\/kW\u003c\/td\u003e\n\u003ctd\u003eLarge timber, milling, and demanding professional felling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/arns.ca\/products\/ms-881-wrap-w-41-b-c\"\u003eSTIHL MS 881\u003c\/a\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e121.6 cc\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eApprox. 6.4 kW \/ 8.7 hp\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eApprox. 10 kg\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eApprox. 1.56 kg\/kW\u003c\/td\u003e\n\u003ctd\u003eVery large timber, heavy milling, and specialized work\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSTIHL’s published comparison places the MS 400 C-M between the MS 362 C-M and MS 462 C-M, with 4.0 kW of power, a 5.8 kg powerhead, and a 1.45 kg\/kW power-to-weight ratio. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/professional\/innovation-technology\/magnesium-piston\" title=\"Engine technology: magnesium pistons\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch2\u003eSTIHL MS 400 C-M vs MS 362 C-M\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/arns.ca\/products\/stihl%C2%AE-ms-362-c-m-chainsaw\"\u003eMS 362 C-M\u003c\/a\u003e and MS 400 C-M are close in physical size, but the MS 400 offers a major increase in output.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConsideration\u003c\/th\u003e\n\u003cth\u003eSTIHL MS 362 C-M\u003c\/th\u003e\n\u003cth\u003eSTIHL MS 400 C-M\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplacement\u003c\/td\u003e\n\u003ctd\u003e59 cc\u003c\/td\u003e\n\u003ctd\u003e66.8 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e3.5 kW \/ 4.7 hp\u003c\/td\u003e\n\u003ctd\u003e4.0 kW \/ 5.4 hp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. powerhead weight\u003c\/td\u003e\n\u003ctd\u003e5.6 kg\u003c\/td\u003e\n\u003ctd\u003e5.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-to-weight\u003c\/td\u003e\n\u003ctd\u003e1.60 kg\/kW\u003c\/td\u003e\n\u003ctd\u003e1.45 kg\/kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston material\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003ctd\u003eMagnesium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain advantage\u003c\/td\u003e\n\u003ctd\u003eLower price and balanced general use\u003c\/td\u003e\n\u003ctd\u003eMuch more power for a small weight increase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest use\u003c\/td\u003e\n\u003ctd\u003eMedium timber and versatile forestry\u003c\/td\u003e\n\u003ctd\u003eFaster production and heavier mixed work\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe MS 362 remains a capable and well-balanced professional saw. It is the sensible choice when medium timber is the primary workload and the additional output of the MS 400 would rarely be used.\u003c\/p\u003e\n\u003cp\u003eThe MS 400 becomes the stronger investment when production speed matters. STIHL increased output by 0.5 kW while adding only about 0.2 kg to the listed powerhead weight. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/professional\/innovation-technology\/magnesium-piston\" title=\"Engine technology: magnesium pistons\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch2\u003eSTIHL MS 400 C-M vs MS 391\u003c\/h2\u003e\n\u003cp\u003eThe \u003ca href=\"https:\/\/arns.ca\/products\/stihl%C2%AE-ms-391\"\u003eMS 391\u003c\/a\u003e and MS 400 have similar displacement, but they are designed for very different users.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConsideration\u003c\/th\u003e\n\u003cth\u003eSTIHL MS 391\u003c\/th\u003e\n\u003cth\u003eSTIHL MS 400 C-M\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplacement\u003c\/td\u003e\n\u003ctd\u003e64.1 cc\u003c\/td\u003e\n\u003ctd\u003e66.8 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e3.3 kW \/ 4.5 hp\u003c\/td\u003e\n\u003ctd\u003e4.0 kW \/ 5.4 hp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. powerhead weight\u003c\/td\u003e\n\u003ctd\u003e6.2 kg\u003c\/td\u003e\n\u003ctd\u003e5.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine management\u003c\/td\u003e\n\u003ctd\u003eConventional carburetor\u003c\/td\u003e\n\u003ctd\u003eSTIHL M-Tronic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eFarm and acreage\u003c\/td\u003e\n\u003ctd\u003eProfessional forestry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain advantage\u003c\/td\u003e\n\u003ctd\u003eLower purchase price\u003c\/td\u003e\n\u003ctd\u003eMore power with less weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest use\u003c\/td\u003e\n\u003ctd\u003eSeasonal firewood and rural property work\u003c\/td\u003e\n\u003ctd\u003eFrequent or professional production cutting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe MS 391 remains a practical choice for acreage owners and firewood cutters who use their saw seasonally and prioritize purchase value.\u003c\/p\u003e\n\u003cp\u003eThe MS 400 C-M is the much stronger option for frequent use. It produces considerably more power, weighs less, and automatically manages fuel and ignition settings as conditions change.\u003c\/p\u003e\n\u003ch2\u003eSTIHL MS 400 C-M vs MS 462 C-M\u003c\/h2\u003e\n\u003cp\u003eThe MS 462 C-M is the next step up for professional felling and larger timber.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConsideration\u003c\/th\u003e\n\u003cth\u003eSTIHL MS 400 C-M\u003c\/th\u003e\n\u003cth\u003eSTIHL MS 462 C-M\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplacement\u003c\/td\u003e\n\u003ctd\u003e66.8 cc\u003c\/td\u003e\n\u003ctd\u003eApprox. 72 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e4.0 kW \/ 5.4 hp\u003c\/td\u003e\n\u003ctd\u003eApprox. 4.4 kW \/ 6 hp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. powerhead weight\u003c\/td\u003e\n\u003ctd\u003e5.8 kg\u003c\/td\u003e\n\u003ctd\u003eApprox. 6.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-to-weight\u003c\/td\u003e\n\u003ctd\u003e1.45 kg\/kW\u003c\/td\u003e\n\u003ctd\u003eApprox. 1.40 kg\/kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain advantage\u003c\/td\u003e\n\u003ctd\u003eExcellent versatility and handling\u003c\/td\u003e\n\u003ctd\u003eMore torque for larger timber and longer bars\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest use\u003c\/td\u003e\n\u003ctd\u003eMixed forestry, limbing, and medium-to-large wood\u003c\/td\u003e\n\u003ctd\u003eFelling and bucking larger trees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe MS 400 is generally the better all-around choice when limbing, mobility, and mixed timber remain important.\u003c\/p\u003e\n\u003cp\u003eThe MS 462 becomes worth the step up when the operator regularly works with large trees, longer bars, and demanding felling cuts. The weight difference is relatively small, so wood size and bar requirements should drive the decision.\u003c\/p\u003e\n\u003ch2\u003eSTIHL MS 400 C-M vs MS 500i\u003c\/h2\u003e\n\u003cp\u003eThe MS 500i is a larger, fuel-injected professional saw built around exceptional acceleration and power-to-weight.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eMS 400 C-M\u003c\/strong\u003e is usually the better choice when:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMedium-to-large timber is the main workload\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAn 18-inch to 25-inch bar covers most jobs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLower purchase cost matters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFuel consumption and handling are priorities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe operator does not need near-80 cc output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003eMS 500i\u003c\/strong\u003e becomes more valuable when:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLarge timber is encountered regularly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRapid acceleration directly improves production\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLonger bars are frequently required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe operator works in high-output forestry\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum professional power-to-weight is a priority\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MS 400 offers substantial professional performance without automatically moving the customer into the cost, output, and fuel demands of the MS 500i.\u003c\/p\u003e\n\u003ch2\u003eWhat to Know Before Buying the MS 400 C-M\u003c\/h2\u003e\n\u003ch3\u003eIt is a professional forestry saw\u003c\/h3\u003e\n\u003cp\u003eThe MS 400 is designed for frequent and demanding work. An occasional homeowner or seasonal firewood cutter may not gain enough value from its higher price and output.\u003c\/p\u003e\n\u003ch3\u003eIt is very close to the MS 462 in weight\u003c\/h3\u003e\n\u003cp\u003eThe MS 462 weighs only slightly more in STIHL’s published comparison. Customers regularly cutting large timber should compare both models carefully rather than selecting the MS 400 solely because it is lighter. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/professional\/innovation-technology\/magnesium-piston\" title=\"Engine technology: magnesium pistons\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003ch3\u003eThe magnesium piston is not a maintenance item\u003c\/h3\u003e\n\u003cp\u003eThe magnesium piston is an internal engineering advantage. It does not require a special operating procedure, but normal fuel, filtration, cooling, and lubrication maintenance remains essential.\u003c\/p\u003e\n\u003ch3\u003eM-Tronic does not correct poor maintenance\u003c\/h3\u003e\n\u003cp\u003eElectronic engine management cannot compensate for stale fuel, a blocked filter, obstructed cooling fins, insufficient bar oil, or a dull chain.\u003c\/p\u003e\n\u003ch3\u003eLonger bars change the saw’s balance\u003c\/h3\u003e\n\u003cp\u003eA 25-inch bar provides more reach, but an 18-inch or 20-inch setup may deliver better handling and productivity in smaller timber.\u003c\/p\u003e\n\u003ch3\u003eProfessional power requires professional technique\u003c\/h3\u003e\n\u003cp\u003eThe MS 400 accelerates quickly and cuts aggressively. Appropriate training, protective equipment, and an understanding of kickback, compression, tension, and felling hazards are essential.\u003c\/p\u003e\n\u003ch2\u003eFuel and Bar Oil\u003c\/h2\u003e\n\u003cp\u003eThe MS 400 C-M requires:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFresh gasoline mixed with high-quality two-cycle oil\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSeparate bar and chain oil for the cutting attachment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor operators who use the saw intermittently, \u003cstrong\u003e\u003ca href=\"https:\/\/arns.ca\/products\/stihl%C2%AE-motomix\"\u003eSTIHL MotoMix\u003c\/a\u003e\u003c\/strong\u003e can simplify fuel storage and reduce errors associated with mixing or aging pump gasoline.\u003c\/p\u003e\n\u003cp\u003eProfessional crews mixing their own fuel should use suitable fresh gasoline and STIHL two-cycle oil at the specified ratio.\u003c\/p\u003e\n\u003cp\u003eThe chain-oil tank should be checked whenever the saw is refuelled. Adjust oil delivery to suit the installed guide bar, chain, wood condition, and operating temperature.\u003c\/p\u003e\n\u003ch2\u003eChain Care and Sharpening\u003c\/h2\u003e\n\u003cp\u003eA professional saw can only produce professional cutting performance when the chain is sharp and correctly maintained.\u003c\/p\u003e\n\u003cp\u003eSigns the chain requires attention include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFine sawdust rather than defined chips\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSlower cutting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe saw pulling to one side\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncreased vibration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmoke despite adequate lubrication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy pressure required to complete a cut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUneven cutter lengths\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeat discolouration on the guide bar\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe pitch, gauge, and drive-link count must match the installed guide bar and drive sprocket.\u003c\/p\u003e\n\u003cp\u003eReplacement chains, files, guide bars, wedges, bar oil, and protective equipment can be found through the \u003cstrong\u003e\u003ca href=\"https:\/\/arns.ca\/collections\/chainsaw-parts-accessories\"\u003eArns chainsaw parts and accessories collection\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eMaintenance\u003c\/h2\u003e\n\u003cp\u003eRoutine MS 400 C-M maintenance includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eInspecting and cleaning the HD2 air filter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChecking the spark plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReplacing the fuel filter when required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCleaning cooling-air passages\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspecting the chain brake\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCleaning guide-bar grooves and oil holes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRotating and dressing the guide bar\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspecting the drive sprocket\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfirming oil-pump operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChecking fuel and oil caps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspecting the starter rope and ElastoStart handle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSharpening and tensioning the chain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspecting the fuel and oil systems for leaks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProfessional forestry work, dusty timber, and long cutting days may require more frequent inspection than the minimum maintenance schedule.\u003c\/p\u003e\n\u003ch2\u003eSeasonal and Cold-Weather Use\u003c\/h2\u003e\n\u003cp\u003eThe MS 400 C-M includes a summer and winter operating arrangement with carburetor preheating to help prevent icing during cold-weather use. (\u003ca href=\"https:\/\/www.stihl.ca\/en\/p\/chainsaws-ms-400-107810\" title=\"Find the MS 400 C-M gas chainsaw here\"\u003estihl.ca\u003c\/a\u003e)\u003c\/p\u003e\n\u003cp\u003eFor dependable winter cutting:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eUse fresh fuel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelect suitable bar-oil viscosity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFollow STIHL’s winter-setting instructions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKeep snow clear of the starter and air intake\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCheck the guide bar for ice buildup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAllow the saw to warm properly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKeep the chain sharp for frozen timber\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReturn the saw to its summer setting when temperatures rise\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eM-Tronic can compensate for environmental changes, but it cannot prevent problems caused by unsuitable oil, contaminated fuel, or blocked airflow.\u003c\/p\u003e\n\u003ch2\u003eChainsaw Safety\u003c\/h2\u003e\n\u003cp\u003eThe MS 400 C-M should be operated only by someone familiar with professional chainsaw handling and the hazards of powerful cutting equipment.\u003c\/p\u003e\n\u003cp\u003eRecommended protective equipment includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eChainsaw protective pants or chaps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEye protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHearing protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProtective gloves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChainsaw-appropriate footwear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA forestry helmet when overhead hazards are present\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-visibility clothing where appropriate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOperators should understand kickback, chain-brake operation, compression and tension in timber, safe escape routes, and the hazards of leaning, split, damaged, or hung-up trees.\u003c\/p\u003e\n\u003cp\u003eFelling near homes, roads, vehicles, utilities, fences, or neighbouring properties should be left to a qualified professional when the operator lacks the required training and equipment.\u003c\/p\u003e\n\u003ch2\u003eWhy Buy Your STIHL MS 400 C-M From Arns?\u003c\/h2\u003e\n\u003cp\u003eArns Equipment is a family-owned STIHL dealer serving Calgary, Southern Alberta, and customers across Canada. Our team brings more than 80 years of outdoor power equipment experience to every chainsaw recommendation.\u003c\/p\u003e\n\u003cp\u003eWhen you purchase the \u003cstrong\u003e\u003ca href=\"https:\/\/arns.ca\/products\/ms-400-c-m-w-18-b-c\"\u003eSTIHL MS 400 C-M from Arns\u003c\/a\u003e\u003c\/strong\u003e, our team can help you:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eChoose the correct guide-bar length\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompare the MS 400 with the MS 362, MS 391, and MS 462\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDetermine whether the larger MS 500i better suits your timber\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelect compatible chains, files, wedges, fuel, bar oil, and protective equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUnderstand M-Tronic starting and operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSet the adjustable chain-oil pump correctly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFind replacement chains, bars, and maintenance supplies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSource repair parts through PartsHouse.ca\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eArrange local STIHL warranty support and professional chainsaw service\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvoid purchasing more saw than your workload requires\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor forestry professionals and experienced operators who want substantially more performance than the MS 362 without moving fully into the larger felling-saw class, the \u003cstrong\u003eSTIHL MS 400 C-M offers one of the most compelling combinations of power, weight, acceleration, and versatility in STIHL’s professional lineup\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Stihl","offers":[{"title":"18\"","offer_id":46122094723241,"sku":"'-MS400CM-18","price":1309.99,"currency_code":"CAD","in_stock":true},{"title":"28\"","offer_id":47162365608105,"sku":"STIHL® MS 400 C-M-MS400CML-28","price":1399.99,"currency_code":"CAD","in_stock":false},{"title":"24\"","offer_id":47162365640873,"sku":"MS400C-24","price":1339.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/5459\/4473\/files\/ms400_c62fed7f-7ac2-4bb3-a48d-24fc8b42f5e7.jpg?v=1763747646"}],"url":"https:\/\/arns.ca\/collections\/ms-400-c-m.oembed","provider":"ARNS Equipment","version":"1.0","type":"link"}