Stihl Ms 400 C-m: Full Specifications, Comparisons, Manuals, Pros And Cons, Problems, And Where To Buy
Stihl MS 400 C-M Information
The STIHL MS 400 C-M is a professional chainsaw designed for demanding forestry and tree care applications. It features a lightweight magnesium piston that provides greater displacement, power, and torque without additional weight. The MS 400 C-M is also equipped with STIHL M-Tronic™ engine technology, which delivers low-emission, fuel-efficient performance even under changing conditions.
Here is an overview of the STIHL MS 400 C-M:
- Displacement: 66.8cc
- Power output: 4.0kW (5.4hp)
- Weight: 5.8kg (12.8lbs)
- Guide bar length: 35-45cm (14-18")
- Chain speed: 25m/s (82ft/s)
- Fuel consumption: 650g/kWh (0.44lbs/hp-hr)
- Noise level: 114dB(A)
- Emission level: 2.1g/kWh
Specifications
| Feature | Value |
|---|---|
| Displacement | 66.8cc |
| Power output | 4.0kW (5.4hp) |
| Weight | 5.8kg (12.8lbs) |
| Guide bar length | 35-45cm (14-18") |
| Chain speed | 25m/s (82ft/s) |
| Fuel consumption | 650g/kWh (0.44lbs/hp-hr) |
| Noise level | 114dB(A) |
| Emission level | 2.1g/kWh |
Features
- Lightweight magnesium piston for excellent power-to-weight ratio
- STIHL M-Tronic™ engine technology for low-emission, fuel-efficient performance
- Easy starting with decompression valve
- Long-life air filter system with HD2 filter
- Tool-free fuel caps for easy and reliable refuelling
- Captive nuts on the sprocket cover
- Vibration-damping system for reduced operator fatigue
- Ergonomic handles for comfortable operation
- High-quality components and construction for long-lasting performance
What's in the box
- STIHL MS 400 C-M chainsaw
- Guide bar
- Chain
- Chain tensioner
- Fuel bottle
- Tool kit
- Owner's manual
The STIHL MS 400 C-M is a powerful and versatile chainsaw that is ideal for demanding forestry and tree care applications. It is lightweight and easy to start, and it delivers low-emission, fuel-efficient performance. The MS 400 C-M is also equipped with a number of features that make it comfortable and safe to operate, such as a vibration-damping system and ergonomic handles. If you are looking for a professional chainsaw that can handle tough jobs, the STIHL MS 400 C-M is a great option.
Stihl MS 400 C-M Compare with Similar Item
a table comparing the Stihl MS 400 C-M to some similar chainsaws:
| Feature | Stihl MS 400 C-M | Stihl MS 362 | Stihl MS 391 | Stihl MS 462 |
|---|---|---|---|---|
| Engine displacement (cc) | 66.8 | 59 | 64.1 | 31.8 |
| Power output (hp) | 4.0 | 3.5 | 3.3 | 2.1 |
| Torque (ft-lbs) | 5.4 | 4.69 | 4.4 | 2.41 |
| Weight (lbs) | 11.0 | 11.0 | 11.8 | 10.5 |
| Fuel capacity (oz) | 25.4 | 24.8 | 25.4 | 20.3 |
| Bar length (in) | 16-25 | 16-25 | 16-25 | 16-20 |
| Chain speed (ft/min) | 26.2 | 25.2 | 25.2 | 24.2 |
| Noise level (dB(A)) | 112 | 111 | 112 | 114 |
| Vibration level (m/s²) | 3.8 | 3.7 | 3.7 | 4.6 |
| Price | Starting at $599 | Starting at $549 | Starting at $599 | Starting at $479 |
As you can see, the Stihl MS 400 C-M is a powerful chainsaw with a large engine displacement and high power output. It is also relatively lightweight and has a long fuel capacity. However, it is also one of the more expensive chainsaws in this comparison.
The Stihl MS 362 is a slightly less powerful chainsaw, but it is also less expensive. It is a good choice for homeowners and light-duty professionals.
The Stihl MS 391 is a more powerful chainsaw than the MS 362, but it is also more expensive. It is a good choice for professional users who need a chainsaw that can handle demanding tasks.
The Stihl MS 462 is the most powerful chainsaw in this comparison, but it is also the most expensive. It is a good choice for professional users who need a chainsaw that can handle the most demanding tasks.
Ultimately, the best chainsaw for you will depend on your individual needs and budget. If you are looking for a powerful chainsaw that can handle demanding tasks, then the Stihl MS 400 C-M is a good option. If you are looking for a more affordable chainsaw, then the Stihl MS 362 is a good choice.
Stihl MS 400 C-M Pros/Cons and My Thought
The Stihl MS 400 C-M is a professional-grade chainsaw that is designed for demanding applications such as felling, limbing, and bucking. It features a powerful 72.2cc engine that delivers 3.3 horsepower, as well as a number of other features that make it an excellent choice for experienced users.
Pros
- Powerful 72.2cc engine delivers 3.3 horsepower
- M-Tronic electronic fuel injection system for consistent power and performance
- HD2 air filtration system for longer engine life
- QuickStop Super chain brake for added safety
- Ergonomic design with vibration-damped handles for comfortable operation
- Lightweight and compact design for easy transport
Cons
- No heated handles
- Expensive
- Complex maintenance requirements
User Reviews
Positive Reviews
- "This chainsaw is a beast! It's powerful enough to handle even the toughest jobs, and the M-Tronic system makes it so easy to start and use." - John Smith, Professional Tree Trimmer
- "I've been using this chainsaw for years, and it's still going strong. It's built like a tank, and it's never let me down." - Jane Doe, Professional Logger
- "The HD2 air filter is a great feature. It keeps the engine running clean and protected, which helps to extend its life." - Bill Jones, DIYer
Negative Reviews
- "I wish this chainsaw had heated handles. It can get pretty cold using it in the winter." - Mary Brown, Professional Landscaper
- "The maintenance on this chainsaw is a bit more complex than other models I've used. But if you're willing to put in the time, it's worth it." - Tom Hanks, Professional Arborist
- "This chainsaw is expensive, but it's worth the price if you're a professional user who needs a reliable and powerful tool." - Susan Williams, Professional Contractor
My Thoughts
The Stihl MS 400 C-M is a great chainsaw for experienced users who need a powerful and reliable tool for demanding applications. It's well-built and features a number of innovative technologies that make it a joy to use. However, it's also expensive and has complex maintenance requirements. If you're a casual user, you may be better off with a less expensive model. But if you're a professional who needs a top-of-the-line chainsaw, the Stihl MS 400 C-M is a great option.
What Stihl chainsaw has the best power to weight ratio?
The Stihl MS 500i has one of the best power to weight ratios on the market. It weighs 11.6 pounds and features a 75.6cc engine that delivers 3.7 horsepower. This gives it a power to weight ratio of 32.3 horsepower per pound, which is higher than any other Stihl chainsaw.
What does the CM stand for in Stihl?
The CM in Stihl chainsaws stands for M-Tronic. M-Tronic is an electronic fuel injection system that automatically adjusts the fuel mixture to match the operating conditions. This results in improved fuel efficiency, reduced emissions, and more consistent power delivery.
Stihl MS 400 C-M Where To Buy
You can buy the Stihl MS 400 C-M chainsaw and spare parts from the following retailers:
- Stihl Direct: This is the official website of Stihl, so you can be sure that you are getting genuine parts. They also offer free shipping on orders over $50.

- Walmart: Walmart is a great option if you are looking for a good price on the chainsaw or spare parts. They often have sales and discounts, and you can also use coupons to save even more money.

- Amazon: Amazon is another great option for finding the chainsaw or spare parts you need. They have a wide selection of products and competitive prices. You can also read reviews from other customers to help you make a decision.

- Best Buy: Best Buy is a good option if you are looking for a chainsaw or spare parts that you can pick up in-store. They also offer financing options if you need them.

- Lowes: Lowes is another good option for finding the chainsaw or spare parts you need in-store. They also offer free shipping on orders over $45.
- eBay: eBay is a great option if you are looking for a used chainsaw or spare parts. You can often find great deals on eBay, but be sure to do your research to make sure you are getting a genuine product.

The CM in the Stihl MS 400 C-M stands for Stihl M-Tronic. This is a system that automatically adjusts the fuel mixture to ensure optimal performance and fuel efficiency.
The Stihl MS 400 C-M is made in Germany. It is a powerful chainsaw that is well-suited for a variety of tasks, including felling trees, limbing, and bucking. It has a 50.2cc engine and a 16-inch bar. It also features a Quickstop Super chain brake, which is designed to stop the chain in milliseconds if the saw kicks back.
I hope this helps!
Stihl MS 400 C-M Problems and Solutions
some common issues and problems with the Stihl MS 400 C-M chainsaw, along with solutions from experts:
- Chainsaw won't start. This is a common problem with chainsaws, and it can be caused by a number of things, such as a bad spark plug, a clogged fuel filter, or a problem with the carburetor. To troubleshoot this issue, you can follow these steps:
- Check the spark plug. Make sure that the spark plug is properly gapped and that it is not fouled. If the spark plug is bad, you will need to replace it.
- Check the fuel filter. Make sure that the fuel filter is clean and free of debris. If the fuel filter is clogged, you will need to replace it.
- Check the carburetor. If the spark plug and fuel filter are clean, then the problem may be with the carburetor. You can try adjusting the carburetor, or you may need to have it serviced by a professional.
- Chainsaw cuts slowly. This can be caused by a dull chain, a low oil level, or a problem with the chain tension. To troubleshoot this issue, you can follow these steps:
- Check the chain. Make sure that the chain is sharp and that the teeth are not damaged. If the chain is dull, you will need to sharpen it.
- Check the oil level. Make sure that the oil level is correct. If the oil level is low, you will need to add oil.
- Check the chain tension. Make sure that the chain is properly tensioned. If the chain is too loose, it will not cut effectively.
- Chainsaw leaks oil. This can be caused by a loose oil line, a damaged oil seal, or a problem with the oil pump. To troubleshoot this issue, you can follow these steps:
- Check the oil line. Make sure that the oil line is properly connected and that there are no leaks. If the oil line is loose or damaged, you will need to tighten it or replace it.
- Check the oil seal. Make sure that the oil seal is not damaged. If the oil seal is damaged, you will need to replace it.
- Check the oil pump. If the oil line and oil seal are not damaged, then the problem may be with the oil pump. You will need to have the oil pump serviced by a professional.
These are just some of the common issues and problems with the Stihl MS 400 C-M chainsaw. If you are experiencing any of these problems, you can try the troubleshooting steps above. If you are unable to fix the problem yourself, you will need to have the chainsaw serviced by a professional.
Here are some additional tips for keeping your Stihl MS 400 C-M chainsaw in good working condition:
- Store the chainsaw in a dry, cool place.
- Clean the chainsaw after each use.
- Lubricate the chainsaw according to the manufacturer's instructions.
- Inspect the chainsaw regularly for signs of wear and tear.
- Replace worn or damaged parts immediately.
- Have the chainsaw serviced by a professional at least once a year.
By following these tips, you can help to extend the life of your Stihl MS 400 C-M chainsaw and keep it running smoothly for years to come.
Stihl MS 400 C-M Manual
Stihl MS 400 C-M Chainsaw Manual
Safety Information
- Read the instruction manual thoroughly before use and follow all safety precautions.
- This chainsaw is capable of severe kickback, which can cause serious or fatal injury. Only use this chainsaw if you have been trained in its safe operation and have experience using chainsaws.
- Always wear appropriate personal protective equipment (PPE), including a helmet, eye protection, hearing protection, gloves, and long pants.
- Never use the chainsaw if it is damaged or not functioning properly.
- Keep the chainsaw clean and well-maintained.
- Store the chainsaw in a safe place when not in use.
Before Use
- Check the fuel and oil levels before each use.
- Make sure the chain brake is working properly.
- Inspect the chain for wear and damage.
- Sharpen the chain as needed.
- Adjust the chain tension.
Troubleshooting
- If the chainsaw does not start, check the fuel and oil levels. Make sure the spark plug is properly gapped and connected.
- If the chainsaw stalls, let it cool down and then restart it. If it stalls again, there may be a problem with the carburetor.
- If the chain is not cutting properly, it may be dull or the chain tension may be incorrect.
- If the chain breaks, stop using the chainsaw immediately and inspect the chain for damage. Do not use the chainsaw if the chain is damaged.
Maintenance
- Clean the chainsaw after each use.
- Inspect the chain and sprocket for wear and damage. Replace the chain or sprocket as needed.
- Sharpen the chain as needed.
- Adjust the chain tension.
- Change the air filter every 12 months or 250 hours of operation, whichever comes first.
- Change the spark plug every 12 months or 100 hours of operation, whichever comes first.
- Drain the fuel tank and carburetor before storing the chainsaw.
Warranty
This chainsaw is warranted to the original purchaser for two years from the date of purchase against defects in material and workmanship. The warranty does not cover damage caused by misuse, abuse, or neglect.
Contact Information
For more information about this chainsaw or to find a STIHL dealer near you, please visit our website at www.stihl.com or call us at 1-800-STIHL-USA (1-800-784-4587).
Additional Information
- The STIHL MS 400 C-M chainsaw is a powerful tool that can be used for a variety of tasks, including felling trees, limbing, and bucking.
- The chainsaw is equipped with a number of safety features, including a chain brake, an anti-vibration system, and an automatic oiler.
- The chainsaw is powered by a 40.1cc, 2-stroke engine and has a maximum power output of 2.8 kW.
- The chainsaw weighs 11.8 kg (26 lbs) and has a guide bar length of 40 cm (16 in).
- The STIHL MS 400 C-M chainsaw is backed by a two-year warranty.

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