Stihl MS 400 C-M

Gas Chainsaws Forestry · Model 1027093

The Stihl MS 400 C-M is a professional forestry gas chainsaw, built for all-day felling, bucking, and production cutting, with a 66.8 cc engine making 5.4 hp and a 20-inch bar. It weighs 12.7 lb (5.8 kg).

For pros: Professional rear-handle chainsaws

At a glance

Independent reference database. Specs are compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.

✓ Specs verified against the manufacturer spec sheet on June 6, 2026 — stihlusa.com.

Engine

Stihl MS 400 C-M — Engine

Specification	Value
Displacement	4.08 cu in (66.8 cc)
Engine Power	5.4 hp
Power	4 kW
Fuel Capacity	0.16 gal (0.6 L)
Power-to-Weight	1.45 kg/kW

Bar & Chain

Stihl MS 400 C-M — Bar & Chain

Specification	Value
Guide Bar Length	20 in (508 mm)
Oil Capacity	11 fl oz (325.31 mL)
Chain Pitch	3/8"
Chain Gauge	0.050 in

Dimensions & Weight

Stihl MS 400 C-M — Dimensions & Weight

Specification	Value
Weight	12.7 lb (5.76 kg)
System Weight	15.7 lb (7.12 kg)
Length	18.15 in (461 mm)

General

Stihl MS 400 C-M — General

Specification	Value
Power Source	gas

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Source: Stihl (manufacturer) · View archived copy. Specs normalized for comparison; verify with the manufacturer before purchase.