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STIHL MS 400 C-M Petrol Chainsaw

Product code:
  • Standard Bar Length: 18"/ 45 cm or 20"/50 cm
  • Engine Power: 66.8 cc / 4.0 kW
  • Weight: 5.8 kg
  • Comfort Features: M-Tronic


38 Victoria Street, Petone, Lower Hutt 5012, New Zealand
Phone: 04 586 7139
As low as $2,445.00


Simply add accessories to your cart. Discount is automatically applied at the check out.

Check out our accessories range here.

Promotion ends 31 August 2024
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Delivery, Warranty, Returns & Exchange


FREE Home Delivery on all online orders

Store Pick Up - FREE. Includes assembly of tools prior to collection. The store will contact you when your order is ready.

Returns & Exchanges

We will happily accept returns or exchanges up to 14 days after the date of purchase,  provided the products are in their original condition and packaging. Click here to view our full Returns Policy


All STIHL products purchased online will be issued a STIHL warranty.

1. Tools used for home/farming applications receive a 2 year warranty. Double the warranty of your STIHL 2 MIX, STIHL 4 MIX® and STIHL 2 Stroke petrol tools purchased online to 4 years by adding HP Ultra Oil (minimum 1L) to your purchase.

2. Tools used in a professional application receive a 6 month warranty

3. STIHL Polymer Bodied/decked Lawnmowers receive a 10 year warranty on the polymer body (not associated parts) the handle and the catcher.

Click here to find out more about the STIHL Warranty


The STIHL MS 400 C-M is the world's first Chainsaw to include a magnesium piston. In comparison to it's aluminum piston-equipped counterparts, the advanced magnesium piston in the MS 400 C-M provides greater displacement, power and torque without additional weight. This Petrol Chainsaw is designed for the most demanding tree care and forestry professionals, ideal for felling, delimbing and preparation of wood in medium-density stands.

This Petrol Forestry Chainsaw is built with STIHL M-Tronic™ engine technology to deliver low-emission, fuel-efficient performance even under changing conditions. It also has a long-life HD2 air filter which you simply clean instead of replacing, while a pre-separation system removes large debris before they get into the air filter, increasing run time between cleanings.


Your Chainsaw will require engine oil and bar lube. We recommend STIHL HP ULTRA TWO STROKE ENGINE OIL and STIHL SYNTH PLUS CHAIN LUBRICATION for your machine.


Power Source


Engine Power (kW)


Displacement (cc)


Weight (kg)


Power to Weight Ratio (kg/kW)


STIHL Engine Type


Max Wood Diameter

25 inches or 64 cm

1) Weight without fuel, bar & chain
  • Magnesium Piston
    Magnesium Piston
    Light-weight magnesium piston delivering excellent power-to-weight-ratio, high maximum speed and high durability.
  • Combined Lever
    Combined Lever
    Because STIHL 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 and you can apply full throttle straight away - even with a cold start.
  • 2-MIX Engine
    2-MIX Engine
    Modern, powerful and economical engine. Provides fuel savings and reduced emissions.
  • Anti-vibration system
    Anti-vibration System
    Vibrations from power tools can lead to negative effects on blood vessels. STIHL has developed a system for minimizing the levels. This also helps reduce operator fatigue and provides a more comfortable working experience.
  • Ematic Chain Lubrication System
    Ematic Chain Lubrication System
    A reservoir holds bar oil until it is picked up by the passing chain. This achieves maximum lubrication resulting in longer wear and less oil consumption.
  • Compensator
    The ratio of the fuel-air mixture is controlled as the quantity of fuel is delivered to the carburettor according to the quantity of air passing through the air filter. This keeps the fuel/air ratio in the combustion mixture constant and as a result the engine power also remains constant.
  • Easy Open Fuel and Oil Tanks
    Tool Free Filler Caps
    Special caps on the fuel and oil tanks allow for easy opening and locking without the need for tools.
  • Reduced Air Filter Maintenance
    Reduced Air Filter Maintenance
    A pre-separation filter system is used to clean the air before it reaches the main air filter. The benefit is that maintenance of the machine is reduced.
  • STIHL M-Tronic™ System
    STIHL M-Tronic™ System
    The STIHL M-Tronic™ system electronically manages the air/fuel and ignition requirements of the saw. Ensuring optimal performance in all operating conditions. This technology also provides a simplified starting procedure.
  • HD2 filter
    HD2 Filter
    This air filter keeps even the finest dust away from the engine, which increases the service life of the engine. The HD2 filter element is made from a robust long life material that can be washed repeatedly. For best results we recommend the use of STIHL Varioclean and warm water.
  • Side Chain Tensioner
    Side Chain Tensioner
    There is a tensioning screw on the side of the Chainsaw through the sprocket cover. This is easy to use and removes the need for contact with the sharp saw chain.
  • STIHL ElastoStart
    STIHL ElastoStart
    A spring or rubber element in the starter handle is used to balance out the peck compression resistance when pulling the starter cord. This reduces the perceived starting effort by up to 30%.
  • Advanced combustion technology
    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.
  • Captive nuts
    Captive Nuts
    When changing the cutting attachment, you will not risk losing the nuts on the sprocket.
  • Carburettor heating
    Carburettor Heating
    By changing the Chainsaw 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.

Q: What type of property is it suitable for?

A: This saw is designed for heavy duty farming applications, landscapers and professional tree care.

Q: What size logs can I cut with the standard bar?

A: Large diameter logs up to 25"

Q: What should I wear when using this Chainsaw?

A: We recommend that you wear snug-fitting clothes with Chainsaw protective legwear, eye protection, gloves, ear protection, sturdy boots or shoes, and tie back long hair.

Q: How long can I use this Chainsaw for?

A: This saw is designed for all day, every day use.

Q: What is the maximum size bar I should use on this Chainsaw?

A: This saw will run efficiently with an up to 25" 63 cm bar

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