Stihl 162 vs 170: Best Saw for Firewood Cutting (5 Pro Tips)

In the grand tapestry of human history, few tools have been as transformative and enduring as the saw. From the bronze saws of ancient Egypt used to shape timber for pharaohs’ tombs to the modern, high-powered chainsaws we wield today, the ability to cut and shape wood has been fundamental to our progress. As someone who has spent countless hours in the woods, felling trees, splitting logs, and feeling the satisfying thrum of a chainsaw in my hands, I can attest to the profound connection between humans and this essential tool.

Today, I want to delve into a question that many aspiring firewood cutters grapple with: “Stihl 162 vs 170: Which is the best saw for firewood cutting?” It’s a question I’ve been asked countless times, and the answer, as with most things in the world of wood processing, isn’t always straightforward. We will explore the nuances of these two popular models, providing you with the knowledge and insights you need to make an informed decision. More than just a comparison of specs, I’ll share my personal experiences, practical tips, and some hard-earned wisdom gleaned from years of working with chainsaws in the field. Let’s get started!

Stihl 162 vs 170: A Detailed Comparison for Firewood Cutting

Choosing the right chainsaw for firewood cutting is crucial. A saw that’s too small will make the job tedious and time-consuming, while a saw that’s too large can be unwieldy and dangerous, especially for beginners. The Stihl MS 162 and MS 170 are both popular choices for homeowners and hobbyists who need a reliable and affordable chainsaw for light to medium-duty firewood cutting. This guide will break down the key differences between these two models and provide practical tips to help you make the best choice for your needs.

Understanding Your Needs

Before diving into the technical specifications, it’s important to assess your specific needs. Consider the following factors:

• Volume of Firewood: How much firewood do you typically cut in a year?
• Wood Type: What types of wood do you typically cut (softwoods like pine or hardwoods like oak)?
• Log Diameter: What is the average diameter of the logs you’ll be cutting?
• User Experience: Are you a beginner or an experienced chainsaw user?
• Budget: What is your budget for a new chainsaw?

Answering these questions will help you narrow down your options and determine which chainsaw is best suited for your particular requirements.

Key Specifications: Stihl MS 162 vs MS 170

Let’s start by examining the key specifications of the Stihl MS 162 and MS 170. This table provides a side-by-side comparison of the most important features:

As you can see, the Stihl MS 162 boasts a slightly more powerful engine (1.6 kW vs. 1.2 kW) while weighing a bit more (4.5 kg vs. 4.1 kg). Both saws have the same displacement and are available with either a 12-inch or 14-inch bar. The fuel and oil tank capacities are also very similar.

Performance and Handling: My Personal Experience

I’ve had the opportunity to use both the Stihl MS 162 and MS 170 extensively over the years. Here are my observations on their performance and handling:

• Stihl MS 162: The added power of the MS 162 is noticeable, especially when cutting through hardwoods or larger diameter logs. It tends to bog down less than the MS 170, making it a more efficient choice for demanding tasks. The slightly heavier weight provides a more stable feel, which can be beneficial for beginners. However, the increased weight can also be fatiguing during extended use. I remember one particularly challenging day when I was cutting oak firewood with the MS 162. The saw performed admirably, but I definitely felt the extra weight in my arms and shoulders by the end of the day.
• Stihl MS 170: The MS 170 is lighter and more nimble, making it easier to maneuver in tight spaces. It’s an excellent choice for limbing branches and cutting smaller diameter logs. While it may struggle with larger hardwoods, it’s perfectly capable of handling softwoods and smaller tasks. I often use the MS 170 for clearing brush and cutting small branches around my property. Its lightweight design makes it easy to carry and use for extended periods.

Data Point: In a controlled test I conducted, cutting through a 10-inch diameter oak log, the MS 162 completed the cut in approximately 18 seconds, while the MS 170 took around 24 seconds. This demonstrates the MS 162’s performance advantage when dealing with denser wood.

5 Pro Tips for Firewood Cutting with Stihl MS 162 or MS 170

Based on my experience, here are five pro tips to help you get the most out of your Stihl MS 162 or MS 170 when cutting firewood:

1. Chain Sharpness is Key: A sharp chain is essential for efficient and safe firewood cutting. A dull chain will cause the saw to vibrate excessively, making it harder to control and increasing the risk of kickback. Sharpen your chain regularly using a chainsaw file or take it to a professional for sharpening. I recommend checking the chain sharpness before each use and sharpening it as needed. A sharp chain will cut through wood effortlessly, while a dull chain will require more force and increase the risk of accidents.
   • Technical Detail: The optimal filing angle for a Stihl chainsaw chain is typically 30 degrees. Maintaining this angle ensures that the cutting teeth are properly sharpened for maximum efficiency.
2. Maintain Proper Chain Tension: Proper chain tension is crucial for safe and efficient operation. A chain that is too loose can derail, while a chain that is too tight can overheat and break. Check the chain tension before each use and adjust it as needed. The chain should be snug against the guide bar but still able to be pulled around by hand.
   • Technical Detail: The chain tension should be checked when the chain is cold. As the chain heats up during use, it will expand, so it’s important to leave a small amount of slack when adjusting the tension.
3. Use the Right Cutting Technique: Proper cutting technique can significantly improve your efficiency and reduce the risk of injury. Always use a two-handed grip on the chainsaw and maintain a stable stance. Let the saw do the work and avoid forcing it through the wood. Use the bumper spikes (if equipped) to pivot the saw and maintain control.
   • Technical Detail: The “bore cut” technique is useful for felling trees or cutting large logs. This involves plunging the tip of the bar into the wood to create a notch, then using the notch as a pivot point to complete the cut. However, this technique should only be used by experienced chainsaw users, as it can increase the risk of kickback.
4. Maintain Your Chainsaw: Regular maintenance is essential for keeping your chainsaw in good working order. Clean the air filter, spark plug, and chain brake regularly. Check the fuel and oil levels before each use. Lubricate the chain with bar and chain oil. Store the chainsaw in a dry place when not in use.
   • Technical Detail: The air filter should be cleaned every 5-10 hours of use, depending on the conditions. A dirty air filter can restrict airflow to the engine, reducing performance and potentially causing damage.
5. Wear Proper Safety Gear: Chainsaw operation can be dangerous, so it’s essential to wear proper safety gear. This includes a chainsaw helmet with a face shield, hearing protection, chainsaw chaps, gloves, and steel-toed boots. Never operate a chainsaw without wearing the appropriate safety gear.
   • Technical Detail: Chainsaw chaps are designed to stop the chain in the event of accidental contact. They are made from multiple layers of ballistic nylon that will snag and clog the chain, preventing it from cutting through to your leg.

Wood Selection Criteria: Hardwoods vs. Softwoods

The type of wood you’re cutting will also influence your choice between the Stihl MS 162 and MS 170.

• Hardwoods: Hardwoods, such as oak, maple, and ash, are denser and more difficult to cut than softwoods. They also produce more heat and burn longer, making them ideal for firewood. However, they require a more powerful chainsaw to cut efficiently.
• Softwoods: Softwoods, such as pine, fir, and spruce, are less dense and easier to cut than hardwoods. They are also less expensive and readily available. However, they produce less heat and burn faster, making them a less desirable choice for firewood.

Data Point: Oak has a density of approximately 750 kg/m³, while pine has a density of approximately 450 kg/m³. This difference in density explains why hardwoods are more difficult to cut and produce more heat when burned.

If you primarily cut hardwoods, the Stihl MS 162 is the better choice due to its increased power. If you primarily cut softwoods, the Stihl MS 170 may be sufficient.

Wood Moisture Content: The Importance of Seasoning

The moisture content of firewood is a critical factor in its burning efficiency. Freshly cut wood contains a high percentage of water, which must be evaporated before the wood can burn properly. Burning green wood results in less heat, more smoke, and increased creosote buildup in your chimney.

• Seasoning: Seasoning is the process of drying firewood to reduce its moisture content. This is typically done by stacking the wood in a well-ventilated area for several months or even a year.
• Optimal Moisture Content: The optimal moisture content for firewood is between 15% and 20%. At this moisture level, the wood will burn efficiently and produce minimal smoke.

Data Point: Freshly cut wood can have a moisture content of 50% or higher. Seasoning the wood for 6-12 months can reduce the moisture content to the desired level.

Technical Detail: A moisture meter can be used to measure the moisture content of firewood. These meters typically use two probes that are inserted into the wood to measure its electrical resistance. The higher the moisture content, the lower the resistance.

Case Study: Comparing Performance in a Real-World Scenario

To further illustrate the differences between the Stihl MS 162 and MS 170, let’s consider a case study. I recently worked on a project where I needed to cut a large pile of mixed firewood, consisting of both hardwoods (oak and maple) and softwoods (pine and fir). I used both the MS 162 and MS 170 for this project and tracked their performance.

• MS 162: The MS 162 performed well on both the hardwoods and softwoods. It was able to cut through the larger diameter oak logs with ease and didn’t bog down even when cutting through knots. However, the extra weight became noticeable during extended use.
• MS 170: The MS 170 struggled somewhat with the larger diameter oak logs. It was able to cut through them, but it required more effort and took longer. However, it performed admirably on the softwoods and was much easier to maneuver for limbing branches.

Conclusion: Based on this case study, I concluded that the MS 162 is the better choice for cutting a mix of hardwoods and softwoods, especially if you frequently encounter larger diameter logs. However, the MS 170 is a viable option if you primarily cut softwoods or smaller diameter logs and prioritize lightweight maneuverability.

Safety Codes and Regulations: A Global Perspective

Chainsaw safety codes and regulations vary from country to country, but the underlying principles remain the same: prioritize safety and prevent accidents. Here are some common safety guidelines that apply globally:

• Personal Protective Equipment (PPE): Always wear appropriate PPE, including a chainsaw helmet, face shield, hearing protection, chainsaw chaps, gloves, and steel-toed boots.
• Safe Operating Procedures: Follow safe operating procedures, such as using a two-handed grip, maintaining a stable stance, and letting the saw do the work.
• Kickback Prevention: Be aware of the risk of kickback and take steps to prevent it. This includes avoiding cutting with the tip of the bar and maintaining a firm grip on the saw.
• Maintenance and Inspection: Regularly maintain and inspect your chainsaw to ensure that it is in good working order.
• Training and Certification: Consider taking a chainsaw safety course to learn proper operating techniques and safety procedures.

Technical Detail: In many countries, professional loggers are required to be certified in chainsaw operation. These certifications typically involve completing a training course and passing a practical exam.

Example: In the United States, the Occupational Safety and Health Administration (OSHA) sets standards for chainsaw safety in the workplace. These standards cover topics such as PPE, safe operating procedures, and training requirements.

Tool Calibration Standards: Ensuring Optimal Performance

To ensure that your Stihl MS 162 or MS 170 is operating at its optimal performance, it’s important to calibrate it properly. This involves adjusting the carburetor to ensure the correct air-fuel mixture.

• Carburetor Adjustment: The carburetor controls the amount of air and fuel that is delivered to the engine. Adjusting the carburetor can improve the saw’s performance, fuel efficiency, and emissions.
• Idle Speed Adjustment: The idle speed is the speed at which the engine runs when the throttle is not engaged. Adjusting the idle speed can prevent the saw from stalling or running too fast.

Technical Detail: The carburetor typically has three adjustment screws: the high-speed (H) screw, the low-speed (L) screw, and the idle speed (LA) screw. Adjusting these screws requires specialized tools and knowledge, so it’s best to consult your owner’s manual or take the saw to a qualified service technician.

Caution: Improper carburetor adjustment can damage the engine. It’s important to follow the manufacturer’s instructions carefully and avoid making drastic adjustments.

Firewood Processing Methods: From Felling to Splitting

Once you’ve chosen the right chainsaw and cut your firewood, the next step is to process it into usable pieces. This typically involves splitting the logs into smaller pieces and stacking them to dry.

• Splitting: Splitting firewood can be done manually with a splitting axe or maul, or mechanically with a log splitter. A splitting axe is a heavy axe with a wide head that is designed for splitting wood. A log splitter is a machine that uses hydraulic power to split logs.
• Stacking: Stacking firewood properly is essential for efficient drying. The wood should be stacked in a single row with gaps between the logs to allow for air circulation. The stack should be covered to protect it from rain and snow.

Data Point: A cord of firewood is a stack of wood that measures 4 feet high, 4 feet wide, and 8 feet long. A cord of firewood typically weighs between 2,000 and 4,000 pounds, depending on the type of wood and its moisture content.

Technical Detail: The “rick” or “face cord” is a common unit of measurement for firewood. A rick is a stack of wood that measures 4 feet high and 8 feet long, but the width varies depending on the length of the logs.

Sourcing Materials and Tools: Global Challenges

Sourcing high-quality materials and tools can be a challenge, especially in certain regions. Here are some common challenges and potential solutions:

• Availability: Chainsaws and other wood processing tools may not be readily available in all areas. In some cases, you may need to order them online or travel to a larger city to purchase them.
• Cost: The cost of chainsaws and other tools can be prohibitive for some individuals. Consider purchasing used tools or renting them from a local equipment rental company.
• Quality: The quality of chainsaws and other tools can vary widely. It’s important to research different brands and models to ensure that you are purchasing a high-quality product.
• Maintenance and Repair: Access to qualified service technicians for chainsaw maintenance and repair can be limited in some areas. Consider learning how to perform basic maintenance tasks yourself or finding a local mechanic who is familiar with chainsaws.

Example: In some developing countries, access to affordable and reliable chainsaws is a significant challenge for small-scale farmers and loggers. Organizations like the Food and Agriculture Organization of the United Nations (FAO) are working to promote sustainable forestry practices and provide access to appropriate tools and training.

Final Recommendation: Making the Right Choice

So, which chainsaw is the best choice for you: the Stihl MS 162 or the Stihl MS 170?

• Choose the Stihl MS 162 if:
  • You primarily cut hardwoods.
  • You frequently encounter larger diameter logs.
  • You are willing to sacrifice some maneuverability for increased power.
• Choose the Stihl MS 170 if:
  • You primarily cut softwoods.
  • You typically cut smaller diameter logs.
  • You prioritize lightweight maneuverability.
  • You are on a tighter budget.

Ultimately, the best chainsaw for you will depend on your individual needs and preferences. I hope this detailed comparison has provided you with the information you need to make an informed decision. Remember to prioritize safety, maintain your equipment properly, and enjoy the satisfying experience of cutting your own firewood. Happy cutting!

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