STIHL MS 291 FarmBoss Chainsaw

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Powerful, robust chain saw for all-round use, with up to 20% less fuel consumption and up to 50% fewer emissions compared to STIHL two-stroke engines of the same performance class without 2-MIX technology. Easy to maintain and service. Long-life air filter system with air routing, one piece engine cover.


Technical data

Displacment cc 55.5
Power output kW/bhp 2.8/3.8
Weight kg 5.6


Standard features

STIHL 2-MIX EngineZoom

STIHL 2-MIX Engine

The new 2-MIX engine features an advanced stratified charge system that boosts power, whilst reducing consumption and pollution, significantly lowering unburned hydrocarbons in the exhaust. The result is a cleaner, more fuel efficient engine.


Advanced combustion technologyZoom

Advanced combustion technology

Four overflow channels swirl the fuel-air mix before ignition, allowing for optimum combustion and highly efficient performance. The result: lower consumption and high torque across a broad rpm range.


Pre-separation air filtration systemZoom

Pre-separation air filtration system

The innovative long-life air filter system greatly extends the service life of the filter. Air routing removes larger particles of dirt, meaning the actual filter has less to do. So the saw can be used for longer without having to clean the filter.


Anti-vibration systemZoom

Anti-vibration system

Intense vibration at the handles of power tools can lead to longer-term effects of blood vessels in the hands and arms. STIHL have therefore developed an effective anti-vibration system where by the oscillations from the machines engine are dampened which significantly reduces vibrations at the handles.


Tool free filler capsZoom

Tool free filler caps

Special caps on the fuel and oil tanks are designed for easy opening and locking without the need for tools.




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 Zoom

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 tensionerZoom

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 controlZoom

Single-lever master control

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




Filing KitZoom

Filing Kit

The complete Kit for saw chain maintenance.

Versions : File Set LP MINI, PICCO & 1/4 RM

Price :$40.00

Chain saw CaseZoom

Chain saw Case

Made of durable plastic. For safe storage and transportation of petrol and electric chain saw models: MS 170, 171, 181, 201 T, 192 C-E, 211, 230, 231, 251, 240 C-M, 250, 261, 362, MSE 140, 180, (not MSE-C versions). Not suitable for MS 441.

Versions : Chain saw carry case

Price : $79.00

2 in 1 file holderZoom

2 in 1 file holder

This practical file holder includes round and flat files to ensure an easy change of files.
Versions : 2 in 1 File (PICCO - 4mm)
Price : $69.00 Guide bar levelerZoom

Guide bar leveler

Tool for removing burrs from the guide bar. Ergonomically shaped plastic holder with flat file made of hardened tool steel.
Versions : Guide bar leveler
Price : $49.00 Filing Vice - S 260Zoom

Filing Vice - S 260

Lightweight and convenient design. Easy to drive into the wood and fix the guide bar. Includes practical belt bag.
Versions : Field Stump Vice - S 260
Price : $35.00* Filing Vice - L 700Zoom

Filing Vice - L 700

Large and robust design. Can be easily driven into the wood.
Versions : Field Stump Vice
Price : $49.00*