MS 381

Robust and reliable chain saw that delivers high torque. Side-mounted chain tensioning, decompression valve and tool-free fuel caps.

STIHL Chainsaw

72.2 cm3, 3.9 kW/5.3 hp, 6.6 kg*.
Robust and reliable chain saw that delivers high torque. Side-mounted chain tensioning, decompression valve and tool-free fuel caps.

 

 STIHL Chainsaw

Technical data

Rollomatic E bars (bar length, cm*) 50
Displacement (cm³) 72.2
Power output (kW/hp) 3.9/5.3
Weight (kg) 6.6 (Weight excluding fuel, guide bar or saw chain)
Power-to-weight ratio (kg/kW) 2.0
Sound pressure level dB(A) 2) 103
Sound power level dB(A) 2) 115
Vibration level left/right m/s² 3) 5.3/7.1
Saw chain pitch 3/8"
STIHL Oilomatic saw chain type Rapid Micro Special
Controlled-delivery oil pump Fitted as standard
Side-mounted chain tensioning Fitted as standard
Decompression valve Fitted as standard
STIHL ElastoStart Retrofittable (accessory)
Compensator Fitted as standard
Long-life air filter system Fitted as standard

 

 STIHL Chainsaw

Model Feature

  • Compensator

    This controller in the carburettor prevents the fuel-air mixture getting richer as the air filter becomes clogged. The correct quantity of fuel is delivered to the carburettor depending on the quantity of air passing through the air filter. This keeps the fuel/air ratio in the combustion mixture constant and hence also the engine power. The filter doesn't need to be cleaned until an appreciable drop in power occurs.

  • STIHL Ematic-System

    The Ematic chain lubrication system ensures pinpoint lubrication of the saw chain links and guide bar rails. When used with STIHL OILOMATIC saw chain, it will provide maximum lubrication, longer wear and less oil consumption than conventional methods of chain lubrication. The Ematic system can reduce bar oil consumption up to 50%.

  • Side chain tensioner

    The tensioning screw is located on the side of the chain saw through the sprocket cover. Chain side tensioning allows the saw chain to be retensioned effortlessly, avoiding any contact with the sharp chain.

  • Single-lever master control

    All important functions such as start, choke, throttle and stop are operated via a single lever.

  • Variable-displacement oil pump

    The exact chain oil output can be adjusted maunally for varying conditions, allowing for a reduction of up to 50%.

Standard Feature

  • Common Features for Chain Saws

    View the features common to many STIHL chain saws.

     


 STIHL Chainsaw

Accessories

  • Chain saw case

    Made of durable plastic. For safe storage and transport of all chain saws with bar lengths up to 45cm / 18".

  • Filing Kit

    Made from sturdy nylon. For safe storage and transport of all chain saws with bar lengths up to 45cm / 18". With small additional pocket.

  • 2 in 1 file holder

    Practical, multi-functional quality tool in a sturdy plastic case with both a 3.5mm flat-blade screwdriver (for carburettor adjustments and cleaning grooves) and a 7.0mm slotted screwdriver. TX 27 Torx blade and 19-13 and 19-16 spark plug wrenches. Includes a nylon bag and belt loop. Not suitable for use with MS 150, MS 150 T, MS 201 and MS 201 T.

  • Stump Vice

    Makes the job easier. Available in heavy duty and light duty. For securing the chain saw during chain sharpening.

  • Guide bar leveler

    Tool for removing burrs from the guide bar. Ergonomically shaped plastic holder with flat file made of hardened tool steel.

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