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20-Inch MS 400 C-M Chain Saw
- Mfg.#
- MS 400 C-M 20
- Sku#
- 2100030
- The magnesium alloy piston is lighter in weight than equivalent-size aluminum alloy pistons.
- Thanks to innovative engineering and construction, the MS 400 C-M delivers an excellent power-to-weight ratio.
- The modern design of the MS 400 C-M is an aesthetic reflection of the power and innovation this saw delivers.
- This product features M-Tronic™ (M) - a new generation of Intelligent Engine Management that eliminates the low and high speed carburetor adjustment screws, compensates for dirty air filter and changes in elevation and fuel quality for optimum engine power at all times.
- The ElastoStart™ starter handle is an exclusive feature of STIHL. It is a starting grip with a built-in shock absorber that helps reduce the effort when pulling on the starter cord. The ElastoStart™ starter grip noticeably reduces the sudden peak forces (compression) normally felt during cranking. The forces which occur at the grip after the first compression stroke are smoothed out.
* Estimated stock levels as of Sat, Apr 11, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
Designed for the most demanding tree care and forestry professionals, the STIHL MS 400 C-M is built with STIHL M-Tronic™ engine technology to deliver low exhaust emission, fuel-efficient performance even under changing conditions. Unlike its aluminum piston-equipped counterparts, the advanced magnesium piston in the MS 400 C-M provides greater displacement, power, and torque without additional weight. A long-life HD2 air filter means you simply clean it instead of replacing it, while a pre-separation system removes large debris before it even gets to the air filter, increasing run time between cleanings.
Not for sale in California.
Specifications
General
| Blade | 20 in |
|---|---|
| Chain Oil Capacity | 11 oz. |
| Chain Pitch | 3/8" RS3 |
| Displacement | 66.8 cc |
| Engine | Gas |
| Engine Power | 5.4 bhp |
| Fuel Capacity | 20.3 oz. |
| Guide Bar Length | 20 in. |
| Powerhead Weight | 12.8 lbs. |
| Type | Gas Chain Saw |
Manufacturing Details
The following information is subject to change without notice
| Manufacturer Warranty | Two years from the date of purchase except for rental use. |
|---|---|
| Prop 65 Warning |
WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
|
| Shop USA | No |
Label Information
| Precautionary Statement | CAUTION: Improper use of any power tool may cause serious or fatal injury. Read, understand, and follow carefully the operating and safety instructions in your instruction manual before using such products. |
|---|
