Hey guys! Let's dive deep into the world of chainsaws and talk about a real beast – the Stihl MS 400 CM petrol chainsaw. This isn't just any chainsaw; it's a powerhouse engineered for professionals, offering a blend of power, precision, and innovative features. Whether you're a seasoned logger, a landscape artist, or someone who needs a heavy-duty tool for tough jobs, the MS 400 CM deserves a serious look. We'll explore everything from its core specifications to its unique features and how it stacks up against the competition. So, buckle up, and let's get into the details of this incredible piece of machinery! We'll cover what makes it stand out, from its engine to its design, and why it's a favorite among pros. Get ready to learn why the Stihl MS 400 CM might just be the perfect chainsaw for your needs. Let's start with a general overview of this amazing tool.

Overview and Key Features

First things first, what exactly is the Stihl MS 400 CM? In a nutshell, it's a professional-grade petrol chainsaw designed for demanding tasks. It's built to handle everything from felling large trees to cutting firewood, making it a versatile tool for various applications. One of the standout features is its 2-MIX engine, which delivers impressive power while also being fuel-efficient and reducing emissions. This engine technology is a hallmark of Stihl's commitment to both performance and environmental responsibility. The M-Tronic™ engine management system is another highlight. This intelligent system electronically controls the fuel metering, ensuring optimal engine performance, easy starting, and consistent power delivery regardless of the operating conditions. This means less hassle for you and more time spent on the job. The chainsaw also boasts a range of comfort features designed to reduce user fatigue. These include an anti-vibration system that minimizes vibrations transmitted to the handles, making it more comfortable to use for extended periods. The Ematic™ chain lubrication system is another crucial feature. This system provides precise lubrication to the saw chain and guide bar, reducing oil consumption and ensuring optimal cutting performance. This system helps extend the life of the chain and bar while reducing the need for frequent maintenance. The MS 400 CM also features a side-access chain tensioner, making it easy to adjust the chain tension without needing to use tools. This is a significant advantage in the field, allowing for quick adjustments to maintain optimal cutting performance. Overall, the Stihl MS 400 CM is a blend of power, efficiency, and user-friendly features, making it a top choice for professionals. We'll get into the specific details of these and other features in the following sections. This chainsaw is designed to make tough jobs easier.

Core Specifications

To really understand the Stihl MS 400 CM, let's get into the nitty-gritty of its specifications. Understanding these numbers will help you see how it stacks up against other chainsaws and how it will perform in different scenarios.

• Engine: The heart of the MS 400 CM is its 2-MIX engine, a 40.6 cm³ (cubic centimeter) engine that is designed for power and efficiency. This engine delivers a high power-to-weight ratio, providing excellent cutting performance. The 2-MIX technology helps reduce fuel consumption and lowers emissions, making it an environmentally conscious choice. The engine's design also allows for easy starting and consistent performance under various operating conditions. This engine is key to its robust performance.
• Power Output: The chainsaw boasts a power output of 2.0 kW (kilowatts) or 2.7 bhp (brake horsepower). This level of power is what allows it to tackle demanding cutting tasks with ease. This power translates into faster cutting speeds and the ability to handle larger logs and trees. The power output is a critical factor in determining the chainsaw's overall cutting capability.
• Weight: Weighing in at approximately 6.2 kg (kilograms) without the bar and chain, the MS 400 CM strikes a balance between power and maneuverability. While it's not the lightest chainsaw on the market, its weight is well-distributed, and the anti-vibration system helps reduce user fatigue during extended use. The weight makes it easier to handle and control.
• Bar Length: The chainsaw is designed to accommodate different bar lengths, typically ranging from 16 to 20 inches. This flexibility allows you to customize the chainsaw to suit the specific needs of your cutting tasks. Shorter bars are great for precision work, while longer bars are better for felling larger trees. You can swap out the bars depending on your work.
• Chain Pitch: The chain pitch is another important specification. This determines the size of the chain and the size of the teeth. Common chain pitches for this model include 3/8" and .325". The chain pitch must match the bar's specifications to ensure proper performance and safety. Selecting the correct chain pitch is essential for safe and efficient operation.
• Fuel Tank Capacity: The fuel tank capacity is usually around 400 cm³, and the oil tank capacity is around 200 cm³. These capacities help give you an idea of how long you can cut before you need to refuel and re-oil. These specs are designed for extended use without constant refills.

These specifications highlight the MS 400 CM's capability and design, making it a top choice for professionals. These specifications are just the tip of the iceberg, but they give a solid foundation for understanding what this chainsaw is capable of.

Design and Build Quality

Let's talk about the physical attributes of the Stihl MS 400 CM. The design of a chainsaw is about more than just aesthetics; it significantly impacts its functionality, durability, and user experience. Stihl is known for its robust build quality, and the MS 400 CM is no exception.

Ergonomics and User Comfort

Stihl has prioritized user comfort in the design of the MS 400 CM. The ergonomic design features a well-balanced body and strategically placed handles to provide a comfortable and secure grip. The anti-vibration system is a key feature here. This system reduces the vibration transmitted to the handles, minimizing user fatigue during prolonged use. This means you can work longer and more efficiently without feeling as worn out. The controls are also thoughtfully placed, allowing for easy access to the throttle, choke, and other functions. This ease of use is something that operators appreciate when working in various conditions. The handle design also provides a secure grip, even when wearing gloves, ensuring optimal control and safety. The balanced design helps make the saw easier to maneuver, especially when working at awkward angles. This careful consideration of user comfort sets the MS 400 CM apart in the professional chainsaw market. Comfort features are designed for those long workdays.

Durability and Construction

The Stihl MS 400 CM is built to withstand the rigors of professional use. Stihl uses high-quality materials and construction techniques to ensure durability and longevity. The engine housing is made from sturdy materials, designed to protect the engine from impacts and the elements. The robust construction allows the chainsaw to withstand harsh conditions, including exposure to dust, moisture, and extreme temperatures. The components are assembled with precision, ensuring that the chainsaw can handle tough cutting tasks day in and day out. The chain and bar are also made from durable materials, designed to resist wear and tear. Proper maintenance and care will extend the life of these components, ensuring the chainsaw's reliability. The overall build quality reflects Stihl's commitment to producing durable, high-performance tools. This design allows it to function even in tough conditions.

Key Design Features

• M-Tronic™ Engine Management: This electronically controlled system optimizes engine performance, ensuring consistent power and easy starting. It automatically adjusts the fuel and air mixture, adapting to changing conditions.
• Ematic™ Chain Lubrication: This system reduces oil consumption and ensures precise lubrication of the chain and bar, prolonging their life and improving cutting performance.
• Side-Access Chain Tensioner: This feature allows for easy chain adjustments without the need for tools, making it quick and convenient to maintain optimal cutting performance in the field.
• Tool-Free Fuel and Oil Caps: These caps make it easy to refill the fuel and oil tanks without needing tools, saving time and effort.
• HD2 Filter: This filter is made of polyethylene and is designed to filter fine dust effectively, protecting the engine and increasing its lifespan.

These features collectively enhance the overall user experience and contribute to the chainsaw's durability and efficiency, making it a top choice for professionals. The design incorporates many practical elements.

Cutting Performance and Efficiency

Now, let's get into the heart of what matters most – the cutting performance and efficiency of the Stihl MS 400 CM. This is where the rubber meets the road, so to speak. How well does it cut, and how efficiently does it do it?

Power and Cutting Speed

The MS 400 CM is known for its impressive power and cutting speed. The 2.0 kW (2.7 bhp) engine delivers a high power-to-weight ratio, allowing it to cut through wood quickly and efficiently. This power is essential for tackling demanding tasks, such as felling large trees or bucking logs. The high cutting speed translates into increased productivity, allowing you to complete jobs faster. The engine's design ensures that this power is consistently delivered, providing reliable performance under various conditions. The chainsaw's power allows it to handle tough wood.

Chain and Bar Performance

The performance of the chain and bar is crucial to the overall cutting experience. The Stihl MS 400 CM is designed to work seamlessly with various bar lengths and chain types, allowing you to customize the chainsaw for specific tasks. The chain's sharpness and the bar's condition directly impact cutting efficiency. A sharp chain reduces the effort required to cut through wood, while a properly maintained bar ensures smooth operation and extends the life of the chain. Regular maintenance, including sharpening the chain and checking the bar for wear and tear, is essential for maintaining optimal cutting performance. The chain and bar work hand in hand.

Fuel Efficiency and Emissions

One of the significant advantages of the Stihl MS 400 CM is its fuel efficiency and lower emissions compared to older chainsaw models. The 2-MIX engine technology helps to reduce fuel consumption while also lowering exhaust emissions. The M-Tronic™ engine management system further optimizes fuel efficiency by electronically controlling the fuel metering. This not only saves you money on fuel costs but also reduces the environmental impact of your work. The engine design complies with strict emission standards, making it an environmentally responsible choice. Fuel efficiency is an essential factor for prolonged use.

Overall Efficiency and Productivity

Combining the power, cutting speed, and fuel efficiency of the Stihl MS 400 CM results in high overall efficiency and productivity. This chainsaw allows you to complete more work in less time, reducing labor costs and increasing profitability. The ergonomic design and user-friendly features also contribute to increased productivity by reducing user fatigue and making it easier to work for extended periods. The ability to quickly adjust the chain tension and refill fuel and oil tanks further streamlines the workflow, minimizing downtime. This chainsaw is an investment that boosts overall efficiency.

Maintenance and Care

Keeping your Stihl MS 400 CM in top condition requires regular maintenance and care. Proper maintenance ensures that your chainsaw continues to perform at its best, extends its lifespan, and ensures your safety. Let's look at the key aspects of maintaining your chainsaw.

Regular Checks and Inspections

Regular inspections are critical for identifying potential problems early. Check the following:

• Chain: Inspect the chain for sharpness, wear, and proper tension before each use. A dull or worn chain will reduce cutting performance and increase the risk of kickback. Sharpen or replace the chain as needed.
• Bar: Examine the bar for wear, especially at the edges. Check that the groove is clean and free of debris. Rotate the bar regularly to ensure even wear.
• Air Filter: Clean or replace the air filter regularly to prevent dirt and debris from entering the engine. A clogged filter will reduce engine performance.
• Fuel and Oil Levels: Check the fuel and oil levels before each use. Ensure that the fuel and oil caps are securely tightened to prevent leaks.
• Safety Features: Inspect the chain brake, throttle interlock, and other safety features to ensure they are functioning correctly.

Cleaning and Lubrication

• Cleaning: Clean your chainsaw after each use, removing sawdust, dirt, and other debris. Use a brush or compressed air to clean the engine housing, chain brake, and other components.
• Lubrication: Properly lubricate the chain and bar to reduce friction and wear. Use high-quality bar and chain oil and ensure the oil tank is always filled.
• Chain Sharpening: Sharpen the chain regularly to maintain its cutting performance. Use a file or a chain grinder to sharpen the teeth at the correct angles.

Engine and Component Care

• Engine Maintenance: Follow the manufacturer's recommendations for engine maintenance, including spark plug replacement and valve adjustments.
• Storage: When storing the chainsaw for an extended period, drain the fuel and oil tanks. Clean the chainsaw and store it in a dry place.
• Professional Servicing: Consider having your chainsaw professionally serviced periodically to ensure that all components are functioning correctly.

These maintenance practices will keep your chainsaw running smoothly and safely. Regular maintenance is key to the chainsaw's longevity.

Pros and Cons

Okay guys, let's take a look at the good, the bad, and the so-so of the Stihl MS 400 CM.

Advantages

• High Power and Performance: The MS 400 CM delivers excellent cutting power, making it suitable for demanding tasks. The 2-MIX engine and M-Tronic™ system ensure consistent performance and efficient operation.
• User-Friendly Design: Ergonomic design, anti-vibration system, and easy-to-use controls enhance user comfort and reduce fatigue. The side-access chain tensioner and tool-free caps also add to the convenience.
• Durable Construction: Built with high-quality materials, the MS 400 CM is designed to withstand the rigors of professional use. This durability ensures a longer lifespan.
• Fuel Efficiency and Low Emissions: The 2-MIX engine and M-Tronic™ system contribute to fuel efficiency and lower emissions, making it an environmentally conscious choice.
• Versatility: Suitable for a wide range of tasks, from felling trees to cutting firewood, making it a versatile tool for various applications.

Disadvantages

• Weight: While not excessively heavy, the MS 400 CM might be slightly heavier than some other models on the market. This weight can be a factor during prolonged use.
• Price: This is a professional-grade chainsaw, and it comes with a higher price tag. This can be a barrier for some buyers.
• Maintenance: While overall durable, maintaining a chainsaw, including chain sharpening and engine servicing, requires time and effort.

Who Is This Chainsaw For?

The Stihl MS 400 CM is primarily designed for professionals and serious users. It's an excellent choice for:

• Loggers: The power and durability make it ideal for felling and bucking trees.
• Landscapers: Its versatility makes it useful for various cutting tasks in landscaping projects.
• Arborists: The cutting power allows for efficient trimming and pruning.
• Contractors: For any task that requires heavy-duty cutting.

If you're a homeowner with occasional cutting needs, there might be other models better suited to your requirements. But for professionals, the MS 400 CM is a top-tier choice.

Alternatives to Consider

While the Stihl MS 400 CM is a great chainsaw, it's always smart to check out the other options. Let's look at some alternatives that might suit your needs.

Similar Chainsaws

• Husqvarna 550 XP Mark II: This is a powerful, professional-grade chainsaw that offers great cutting performance and user-friendly features. It's known for its excellent power-to-weight ratio.
• Echo CS-400: Echo chainsaws are a great value and can be a good choice. Echo models offer a balance of power and affordability.

Factors to Consider

When choosing between these alternatives, consider:

• Power: Make sure the chainsaw has enough power for your typical cutting tasks.
• Weight: Consider the weight, especially if you plan to use the chainsaw for extended periods.
• Features: Look for features like anti-vibration systems and easy-to-use controls.
• Price: Determine your budget and compare the prices of different models.
• Brand Reputation: Consider the brand's reputation for quality, service, and parts availability.

Conclusion: Is the Stihl MS 400 CM Right for You?

So, guys, after looking at the Stihl MS 400 CM, what's the verdict? This chainsaw is a powerhouse built for professionals who demand the best. With its high power output, user-friendly design, and durable construction, it's a top-tier choice for various demanding cutting tasks. The 2-MIX engine and M-Tronic™ engine management system provide an excellent combination of performance, fuel efficiency, and low emissions. However, the higher price tag and weight might not make it the best option for casual users. If you're a professional looking for a reliable, high-performance chainsaw, the Stihl MS 400 CM is definitely worth considering. It's a tool built to handle tough jobs and last for years. In the end, the best chainsaw is the one that meets your specific needs and budget. Make sure to consider all the factors before making your decision, and happy cutting!