Stihl MS 400 CM Petrol Chainsaw 16 / 18 / 20 inch

The STIHL MS400 C-M is a professional petrol chainsaw for all forestry tasks, the first with a magnesium piston. It’s also packed with additional features such as M-Tronic, HD2 filters, economical 2-mix engine. Everything about this chainsaw is designed to be ready when you are no matter the weather and for long cutting sessions.

• Available with a 16-inch 18-inch bar or 20-inch bar,
• Highly powerful engine performance,
• Under 7.1 kilos in weight when fully fueled,
• Easy to clean.
• Electronically controlled ignition (M-Tronic),
• 2-year warranty (domestic only)

THE HIGHEST PERFORMANCE OF THE 60CC CLASS, THE MS400 C-M IS THERE FOR EVERY JOB.

The MS400 C-M chainsaw has been designed with professionals in mind, More displacement, more power, more torque, only a small weight increase compared to the MS 362 C-M and an outstanding power to weight ratio.

Firstly, the M-Tronic system manages ignition sequences and fuel metering in every single operating mode, so the user can start the machine without worry and it will keep constant power under load.

Secondly, sensors have a cold or warm start recognition, which will take into account the conditions of the environment such as outdoor temperature and air mass and adjust the fuel/air mixture accordingly. This means the user can start and operate the MS 400 in even the coldest environments, with maximum performance being delivered within a few seconds.

Additionally, with carburettor heating by changing the chain saw from summer to winter operation, the intake air is pre-heated over the engine fins. This ensures that the carburettor does not ice up and you can continue working in freezing temperatures.

Lastly, M-Tronic ensures this Stihl chainsaw is easier to start than other models. Now there is just one start position on the combi-lever, just pull on the starting cord a few times and there is immediate acceleration to speed (in all weathers). With the help of ElastoStart compression shock is reduced, so the starting procedure is less demanding on the user’s arms and joints.

Additionally, when using the MS400C in similar conditions as before, the electronic system will keep the adjustments necessary to ensure optimal performance and the engine starts again.

A professional chainsaw built to last and keep performing.

Being a professional petrol chainsaw, some would expect the MS 400 to be harder to maintain – but this certainly is not the case.

For example, this professional chainsaw by Stihl has a long life filter that lasts five times longer than previous models. The air-filter system actually removes harsh dirt particles through a pre-separation system before the air flows through the improved HD2 filter, which filters out even the finest of dust particles.

Additionally, the inbuilt compensator controls the carburettor preventing 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

Consequently, this makes the engine last longer, perform for longer without the need to replace the filter as often. And when the time comes to replace the filter cartridge, it’s quick and easy and can be done without tools.

Furthermore, the MS400 has a petrol engine which is highly efficient and will reduce fuel consumption. This is achieved by the 2-mix engine and the advancements of the four overflow channels, which swirl the fuel-air mix before ignition, allowing for optimum combustion and highly efficient performance. The result is lower fuel consumption and high torque across a broad rpm range.

Increased cutting performance with little vibration.

Whether you are using the 16″ 18″ or 20″ bar and chain, the Stihl MS400 C-M has a fantastic cutting performance. The .325″ pitch of the chain is designed to precisely cut the timber at high speed without splinter the wood.

What’s more, when using the Ematic chain lubrication system, it ensures pinpoint lubrication of the saw chain links and guide bar rails. This will provide maximum lubrication, longer wear and less oil consumption than conventional methods of chain lubrication. The Ematic system can reduce bar oil consumption by up to 50%

When changing the cutting attachment, you will not risk losing the nuts on the sprocket. The MS 400 Stihl chainsaw is also equipped with the captive nuts. A great advantage for all users. Additionally, the side tensioner removes the need to have contact with the sharp saws of the chain.

Finally, this pro chainsaw is equipped with an anti-vibration system, to reduce the vibration at the handles. Therefore, the user will benefit from less fatigue over prolonged use of the power tool.

Features We Like

STIHL M-Tronic (M)

This fully electronic engine management system adjusts ignition timing and fuel metering in all operating modes. It also takes external conditions such as temperature, altitude and fuel quality into account. It ensures consistent engine performance, a constant maximum speed and superb acceleration. M-Tronic makes manual carburettor adjustments unnecessary. Thanks to electronic cold/warm start recognition, now there is only one start position on the combi-lever. The engine starts after fewer pulls and with no change of position, and can immediately accelerate up to speed – even after a cold start. M-Tronic also remembers the settings from the last time the tool was used. So when external conditions are the same, optimal engine performance is available every time you start up again.

STIHL 2-MIX-Engine

1-in-4 channel technology. The economical STIHL 2-MIX engine with 1-in-4channel technology features a high torque over a wide speed range. The chainsaw provides fuel savings of up to 20% compared to STIHL two-stroke engines in the same performance class without 2-MIX technology. Exhaust emissions are reduced by up to 50%.

HD2 filter

The HD2 filter is made from polyethylene filter material with up to 70% finer pores than fleece and polyamide filters to trap even very fine dust. In addition, it is oil and water-repellent and thus very easy to clean. The PET-covered filter cartridge with quick-release lock enables the filter to be assembled and disassembled in next to no time, without using tools.

Decompression valve

The decompression valve is part of the easy starting system. The valve should be pressed before starting to reduce the compression pressure when starting, as well as reducing the effort needed to pull the starter rope. The decompression valve is semi-automatic; it must be pressed manually before starting, but then closes automatically.

STIHL ElastoStart

STIHL ElastoStart reduces the shock caused by the compression of the engine during starting. The compression shock is taken away from the user’s joints and muscles through a spring or rubber element in the starter handle.

Side chain tensioner

The tensioning screw can be found on the side of the chain saw through the sprocket cover. This removes the need for contact with the sharp saw chain.

Variable-displacement oil pump

Allows a precise, demand-based delivery of oil. It’s possible to reduce oil production by up to 50% in the E position. For very long cutting attachments or very dry wood, an additional volume of oil can be added by the user. similar to illustration.

Tool free filler caps

Special catches on the fuel and oil tanks for easy opening and locking without the need for tools.

Pre-separation air filtration system

STIHL long-life air filtration systems with pre-separation achieve perceptibly longer filter life compared with conventional filter systems. Air drawn in is swirled. The larger, heavier particles are ejected. The pre-cleaned air is routed to the air filter via the pre-separator duct.

Anti-vibration system

Intense vibration at the handles of power tools can lead to long-term effects on blood vessels in the hands and arms. STIHL has therefore developed an effective anti-vibration system whereby the oscillations from the machine’s engine are dampened which significantly reduces vibrations at the handles.

Combi lever

As M-Tronic has electronic cold and warm start recognition, only one start position is needed on the combi lever. The exact amount of fuel is supplied on demand. You do not need to know about the status of your chainsaw and can apply full throttle straight away – even with a cold start. Because the saw is warmed up by optimum acceleration in a few seconds.

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.

Captive nuts

When changing the cutting attachment, you will not risk losing the nuts on the sprocket. The MS 261 is the first STIHL chainsaw to be equipped with the captive nuts. A great advantage for all users.

Ematic chain lubrication 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 by up to 50%.

Advanced combustion technology

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

Carburettor heating (V)

By changing the chain saw from summer to winter operation, the intake air is pre-heated over the engine fins. This ensures that the carburettor does not ice up and you can continue working in freezing temperatures.

– Download PDF Manual Here (If Available)

Technical data	Value
Displacement cm³	66.8
Power output kW/bhp	4/5.4
Weight kg 1)	5.8
Power-to-weight ratio kg/kW	1.4
Sound pressure level dB(A) 2)	107
Sound power level dB(A) 2)	118
Vibration values left/right m/s² 3)	3.5/3.5
Oil pump	Adjustable oil filter
Tank volume l	0.60
Chain pitch	3/8″
Chain tensioning	Lateral chain tension
Sprocket – number of teeth	7 Z
Filter	Long-term filter system (pre-separation) / cartridge filter HD2
Bumper spike	Steel claw
Cylinder	Chrome
Oil tank volume cm3	325
Sprocket	Ring sprocket
Anti vibration system	Standard AV-System
Filler cap	Tool-free filler cap
EPA Certified fuel consumption l/h	2.265
CO2 g/kWh	656
Handle type	Standard grip
Speed at maximum power Um	10.000
EPA Certified fuel consumption glh	0.598

1) Without fuel, without bar and chain
2) K-factor according to DIR 2006/42/EC = 2.5 dB (A)
3) K-factor according to DIR 2006/42/EC = 2m / s ²

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