2025 STIHL MS 400 C-M

2025

MS-400-C-M

New

MS-400-C-M

Chainsaw-Gas-M-Tronic-20 Bar-3/8 33 RM3 STIHL MS 400 C-M Chainsaw – Gas – M-Tronic™ – 20" Bar – 33RM3 (3/8") Specs General Category: Professional Gas Chainsaw Model: STIHL MS 400 C-M Power Source: Gasoline Guide Bar Length: 20 in. (50 cm) Guide Bar: STIHL Rollomatic® ES Light Saw Chain: STIHL 33RM3 Rapid Micro™ 3 Chain Pitch: 3/8 in. Chain Gauge: .050 in. (1.3 mm) Drive Links: 72 Applications: Professional forestry, tree felling, bucking, limbing, storm cleanup, and commercial tree care. Engine Engine Type: STIHL 2-MIX® 2-stroke gasoline engine Engine Management: STIHL M-Tronic™ electronic engine management Displacement: 66.8 cc (4.1 cu. in.) Power Output: 4.0 kW (5.4 HP) Maximum Engine Speed: 14,000 RPM Idle Speed: 2,800 RPM Fuel Tank Capacity: 20.3 oz. (0.60 L) Starting System: Decompression valve with ElastoStart™ for easier starting Magnesium Piston: Lightweight magnesium piston for exceptional power-to-weight performance. Cutting Equipment Bar Length: 20 in. Chain: STIHL 33RM3 Rapid Micro™ 3 Chain Type: Semi-chisel Chain Pitch: 3/8 in. Chain Gauge: .050 in. Drive Links: 72 Chain Lubrication: Fully automatic, adjustable oil pump Chain Oil Capacity: 11.0 oz. (0.325 L) Chain Sprocket: 7-tooth rim sprocket. Dimensions & Weight Powerhead Weight: 12.7 lbs. (5.8 kg) System Weight (20" Bar & Chain): Approximately 15.7 lbs. (7.12 kg) Power-to-Weight Ratio: 1.45 kg/kW (0.59 lb/HP). Operator Features STIHL M-Tronic™ automatically adjusts fuel mixture and ignition timing Lightweight magnesium piston for rapid acceleration HD2 long-life air filter Pre-separation air filtration system Decompression valve with ElastoStart™ STIHL Anti-Vibration System Side-access chain tensioner Captive bar nuts Toolless fuel and oil caps Adjustable automatic chain oiler Ematic™ guide bar lubrication system Professional bumper spikes Master Control Lever™ Winter/Summer shutter for reliable operation in varying temperatures. Key Features Powerful 66.8 cc STIHL 2-MIX® engine producing 5.4 HP Advanced M-Tronic™ engine management delivers consistent performance in changing conditions Lightweight magnesium piston improves acceleration and overall power-to-weight ratio 20" Rollomatic® ES Light guide bar paired with 33RM3 semi-chisel chain for smooth, durable cutting in dirty or frozen wood HD2 air filtration system extends filter life and reduces maintenance Built for professional loggers, arborists, municipalities, and demanding commercial forestry applications.