STIHL MS 400 C-M Professional Petrol Chainsaw – 45cm / 18" Bar
The STIHL MS 400 C-M is a high-performance professional petrol chainsaw, engineered for forestry and heavy-duty felling work. Supplied here with a 45cm / 18" guide bar, this version offers an ideal balance of cutting capacity, power, and control — perfect for tackling medium to large trees in demanding conditions.
It is the first chainsaw in the world to feature a magnesium piston, reducing engine weight and improving acceleration without sacrificing durability. Combined with the advanced M-Tronic engine management system, the MS 400 C-M automatically adjusts for optimal engine settings based on operating conditions.
The powerful 66.8cc STIHL 2-MIX engine ensures excellent torque and fuel efficiency, while the HD2 air filter, decompression valve, and anti-vibration system provide enhanced durability and user comfort — even in long shifts or challenging environments.
✅ Key Benefits:
Supplied with a 45cm / 18" guide bar – ideal for felling and sectioning hardwood
Magnesium piston – reduced internal mass and faster acceleration
M-Tronic engine management – consistent, automatic performance tuning
2-MIX petrol engine – powerful, efficient, and Stage V emissions compliant
HD2 long-life air filter – improved filtration and extended maintenance intervals
Decompression valve – for smooth, easy starting
Anti-vibration technology – for increased comfort and reduced operator fatigue
Designed for professional forestry and large-scale timber work
🛢️ Fuel Note:
This chainsaw requires a petrol/oil mix (50:1) using high-quality 2-stroke engine oil. STIHL recommends MotoMix® or premium-grade E10 petrol combined with STIHL HP Ultra oil for peak performance.
| Brand | Stihl |
|---|---|
| Weight (kg) | 5.8 |
| Sound pressure level (dB(A)) | 107 |
| Sound power level (dB(A)) | 116 |
| Displacement (cm³) | 66.8 |
| Vibration level left / right (m/s²) | 3.5 / 3.5 |
| STIHL cordless power system | 2-MIX |
| Power output (kW / hp) | 4.0 / 5.4 |
| Bar length (cm / inches) | 45 / 18 |
| Saw chain pitch | 3/8" |
| Drive link gauge (mm) | 1.6 |
| STIHL Oilomatic saw chain type | RS |
| Weight-to-power ratio (kg / kW) | 1.5 |
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