STIHL® MSA 300 C-O Battery Chainsaw (Tool Only)

• Power Source: Battery
• Powerhead Weight: 9.9 lbs.
• Weight (with AP 500 S): 14.1 lbs.
• Guide Bar Length (Recommended): 16 in.
• OILOMATIC® Chain: .325 RS3
• Chain Oil Capacity: 10.5 oz.
• Battery System: AP System
• Run Time (with AP 500 S): Up to 44 min.
• Voltage: 36 volt

What is the STIHL MSA 300 C-O chainsaw?
The STIHL MSA 300 C-O is STIHL’s most powerful professional battery chainsaw, designed for demanding forestry, tree care and commercial cutting.

Who is the STIHL MSA 300 C-O best suited for?
It is built for arborists, forestry professionals, landscapers and commercial crews who need high cordless cutting performance.

What battery system does the MSA 300 C-O use?
It operates on the 36V STIHL AP Professional Battery System.

What battery is recommended for the MSA 300 C-O?
The STIHL AP 500 S is the recommended battery for maximum performance and listed runtime.

How long does the MSA 300 C-O run with an AP 500 S battery?
STIHL lists up to approximately 44 minutes of runtime.

Will the actual runtime vary?
Yes. Runtime depends on wood type, cutting diameter, chain condition, power setting, battery charge and operating conditions.

Is the battery included with the MSA 300 C-O?
It may be sold as a tool-only model or as a set with a battery and charger. Confirm the exact package before purchase.

How much does the STIHL MSA 300 C-O weigh?
The powerhead weighs approximately 9.9 lb without a battery.

How much does it weigh with the AP 500 S battery?
The listed total weight is approximately 14.1 lb.

What bar length is recommended for the MSA 300 C-O?
The recommended guide-bar length is 16 inches.

What chain does the MSA 300 C-O use?
It uses a .325-inch STIHL RS3 Oilomatic chain.

Can the STIHL MSA 300 C-O cut firewood?
Yes. Its professional power makes it suitable for frequent firewood production and demanding log cutting.

Can the MSA 300 C-O be used for tree felling?
Yes. It is designed for professional felling, limbing and bucking within the capacity of its cutting attachment.

Is the STIHL MSA 300 C-O a professional chainsaw?
Yes. It is a high-performance professional model in the STIHL AP Battery System.

What does the electronic operating system do?
The electronic display near the handle lets the operator monitor the saw’s operating condition and selected performance settings.

What does the C-O designation mean?
The “O” identifies the oil-sensor feature, while the “C” indicates additional comfort and convenience features.

What does the low-oil sensor do?
It alerts the operator when the chain-oil level is low, helping protect the guide bar and chain.

How much chain oil does the MSA 300 C-O hold?
The chain-oil tank holds approximately 10.5 oz.

What is the STIHL Ematic lubrication system?
The Ematic bar and Oilomatic chain direct oil toward important contact points for efficient lubrication.

Can the Ematic system reduce oil consumption?
STIHL states that it can reduce bar-oil use by up to 50% compared with conventional lubrication systems.

Does the MSA 300 C-O have anti-vibration technology?
Yes. Its anti-vibration system helps reduce vibration transferred to the operator during extended cutting.

What are the benefits of the magnesium motor housing?
The magnesium housing provides additional strength and durability without unnecessary weight.

Does the MSA 300 C-O have a captive bar nut?
Yes. The captive nut remains attached to the sprocket cover, reducing the chance of losing it during maintenance.

How is the chain tension adjusted?
The MSA 300 C-O uses a side-access chain tensioner adjusted with a bar wrench.

What safety features does the MSA 300 C-O include?
It includes mechanical and electronic chain braking, a throttle-trigger interlock and STIHL Quickstop.

What does the STIHL Quickstop chain brake do?
It is designed to stop the chain rapidly when activated by the operator or by inertia during certain kickback situations.

Is the STIHL MSA 300 C-O weather resistant?
Yes. It has an IPX4 rating for protection against splashing water.

What does AGZA certified mean?
It means the saw meets low-impact operating standards established by the American Green Zone Alliance.

Does the MSA 300 C-O produce exhaust emissions?
No. It produces zero direct exhaust emissions during operation.

Is the MSA 300 C-O quieter than a gas chainsaw?
Yes. Its electric motor operates with less noise and vibration than a comparable gas-powered saw.

Does the MSA 300 C-O require fuel mixing?
No. It runs entirely on a rechargeable STIHL AP battery.

What maintenance does the MSA 300 C-O require?
Routine maintenance includes sharpening and tensioning the chain, filling the oil tank, cleaning the guide bar and filter, and inspecting the chain brake and sprocket.

What are the main benefits of the STIHL MSA 300 C-O?
Its main benefits include STIHL’s highest battery-saw performance, an oil-level sensor, IPX4 construction, magnesium housing, professional chain speed and compatibility with the AP 500 S battery.

Where can I buy the STIHL MSA 300 C-O chainsaw in Canada?
The STIHL MSA 300 C-O chainsaw is available in store from Arns Equipment in Calgary or online across Canada at arns.ca.