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BISON gasoline chainsaws come in a variety of sizes and types, designed to handle any job efficiently and easily. The gasoline chainsaw has various bar lengths, from compact 10-inch for easy maneuvering to sturdy 42-inch chain saws for felling large trees. Made from high-grade materials, they withstand the toughest conditions and are safe for use by amateurs and professionals alike.

BISON's large production capacity allows us to manufacture gasoline chainsaws on a large scale without compromising on quality. Our state-of-the-art manufacturing facility is equipped with advanced machinery and staffed by a team of skilled professionals dedicated to maintaining the highest standards.

gasoline chainsaw

gasoline chainsaw BS2500 BS3800 BS4000 BS4500 BS5200 BS5800 BS381 BS066 BS070
displacement (cc) 25.4 37.2 39.6 45.6 49.3 54.5 72.2 91.6 105.77
power output 0.9kw 1.3kw 1.4kw 1.8kw 2.5kw 2.5kw 3.3kw 5.2kw 4.8kw
maximum power speed (rpm) 8500 8500 8500 8500 8500 8500 7500 9300 8000
idling speed (rpm) 2800-3500 2800-3500 2800-3500 2800-3500 2800-3500 2800-3500 2800-3500 2800-3500 2800-3500
bar length (inch) 10 / 12 12 / 14 / 16 12 / 14 / 16 16 / 18 18 / 20 20 / 22 / 24 20 / 22 / 24 24 / 30 30 / 36 / 42
fuel tank capacity (ml) 230 410 410 550 550 550 680 680 1200
oil tank capacity (ml) 160 240 240 260 260 260 360 360 530
dry weight (kg) 3.1 4.3 4.3 5.3 5.3 5.3 6.7 7 10.7

BISON’s gasoline chainsaw features

Importing a gasoline chainsaw from BISON means investing in reliability and performance. Here are the key benefits that make our chainsaws a great choice for homeowners and professionals:


BISON gasoline chainsaws offer the ultimate in mobility. This makes them ideal for use in remote areas, forests, and other harsh environments where electricity may not be readily available.

Durability and Long Life

Manufactured with premium materials and state-of-the-art engineering, BISON gasoline chainsaws can withstand regular, intensive use. Plus, our detailed maintenance guides make it easy for anyone to maintain your chainsaw, while keeping your after-sales costs down.

Power and Performance

In terms of power, BISON gasoline chainsaws far exceed the capabilities of most electric models. Our chainsaws are equipped with high-torque engines that deliver outstanding cutting speed and efficiency.

Quality Assurance

Strict testing and quality control measures ensure that every saw meets our high standards. Even if quality issues arise, there is a dedicated after-sales service to help you resolve any questions or issues, ensuring a smooth customer experience.

BISON gasoline chainsaw

Common FAQ

A holistic solution to your most common questions about BISON gasoline chainsaws.

Manufacturing company that makes gasoline chainsaw product

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gasoline chainsaw 101

What is a gasoline chainsaw?

A chainsaw can be explained by its name, the first clue you should know. A gasoline chainsaw is a machine that cuts with teeth attached to a rotating chain running along a guide bar. It is used in tree felling, limb cutting, bucking, etc. BISON gasoline chainsaws are the best in the business. With high efficiency and accuracy coupled with long life and innovative technology, they can make work easier and faster.

A gasoline chainsaw has a chain, like a bicycle, which runs around sprockets (gear wheels designed to turn the chain) with thirty or so sharp teeth (made of a hardened steel alloy). Intervals are installed around it. The piston pushes a connecting rod that turns to the crankshaft as it enters and exits the engine. The chain rotates when the crankshaft rotates gears attached to one of the sprockets the chain is mounted on.

How to choose the right gasoline chainsaw

Choosing the perfect gas chainsaw for your needs requires careful consideration of several key factors. The following guide can help you make an informed decision. Here are some factors you should consider before making a choice. You may need to do some market research to draw your conclusion.

  • Frequency of use: Determine how often you will use your chainsaw. Occasional users may choose a lower-powered model, while frequent users, such as professional landscapers, will need a more powerful machine.

  • Type of cutting task: Determine the type of tasks you will be performing, such as light pruning, chopping wood, or felling large trees. A small chainsaw may be sufficient for light to moderate use around the house. Choose a larger, more powerful model for professional logging or extensive tree felling.

  • Budget: Consider how much you are willing to invest. While more powerful, feature-rich models are more expensive, they also offer better performance and durability.

Engine size and power

Engine size, measured in cubic centimeters (cc), directly affects the power output of a chainsaw. A higher cc rating means more power, making it suitable for larger, tougher cutting tasks. For example, a 30cc to 50cc engine is usually sufficient for general use, while professional-grade chainsaws are usually over 50cc for maximum power and efficiency.

Bar length

Bar length determines the cutting capacity of a chainsaw. Shorter blades (12-16 inches) are suitable for small trees and branches, while longer blades (18-24 inches or longer) are suitable for felling larger trees and heavy-duty cutting tasks. Matching the blade length to the size of the tree and the type of work being done is critical for efficiency and safety.


A lighter chainsaw handle is more maneuverable, reducing fatigue during prolonged use. However, balance the weight with the power required for your intended applications.

Chain type and features

Chainsaws come with different types of chains, each suitable for specific tasks:

  • Full chisel: Best for fast, powerful cutting, but can become dull quickly

  • Half chisel: Balances cutting speed and durability.

  • Low kickback: Designed for safety, especially for inexperienced users.

  • Anti-vibration: Reduces user fatigue and makes long-term use more comfortable.

Fuel Efficiency

Evaluate fuel capacity and consumption rate to ensure your chainsaw can get through long hours without frequent refueling. Efficient use of fuel not only saves money, but also reduces environmental impact.

Safety features

  • Safety should be a top priority when choosing a chainsaw. Look for models equipped with the following features to increase user safety during operation.

  • Chain brake: Stops the chain immediately in the event of kickback.

  • Throttle lock: Prevents accidental acceleration.

  • Hand guard: Protects hands from flying debris and contact with the chain.

Additional features

Consider additional features that enhance usability:

  • Anti-vibration system: Reduces fatigue during long-term use.

  • Automatic oiler: Ensures the chain is always lubricated.

  • Tool-free chain tensioner: Allows for quick and easy adjustments.

  • Pressure release valve: Facilitates easy starting.

  • Ergonomic design: The comfortable grip and ergonomic design enhance control and reduce user fatigue. Make sure the chainsaw is well-balanced for better handling.

gasoline chainsaws maintainance

Always disconnect the spark plug before doing any maintenance to avoid unintentional starting. Follow the manufacturer's guidelines in the user manual for specific maintenance requirements.

  • Clean the air filter regularly with soap and water. Make sure it is scorched before reinstalling.

  • Check the spark plug frequently and replace it if it is dirty or damaged.

  • Replace the fuel filter every six months to prevent clogging and ensure smooth operation.

  • Sharpen the chain using a chainsaw file every three hours or after refueling.

  • Use the fuel and oil that are advised and kept in a cool, dry location.

Basic safety when working with a chainsaw

Here are a few safety measures to follow when operating a chainsaw. Always wear the appropriate personal protective equipment, such as gloves, goggles, helmet, earmuffs. Note that these safety rules also apply to using other power tools, including the following:

  • Don't work on-site alone; work with a colleague so someone can help in case of injury.

  • Keep a safe distance of about 3-5 meters from the blade when working with a chainsaw. During the felling of trees, a safer distance is required.

  • Keep a firm grip on both handles on the saw. To be ready for potential kickbacks, encircle the handles with your fingers and thumbs.

  • Keep the chainsaw close to your body for better balance and a less heavy saw feel.

  • Stand with your feet apart. Place your left foot slightly in front of your right to achieve the best possible balance. When working in low positions, do not work with a bent spine.

  • When moving to another location within the site, you must activate the chain brake or switch off the engine to avoid danger.


Are you looking to expand your chainsaw supply with a reliable and in-demand gasoline chainsaw? Consider partnering with BISON and becoming an authorized dealer of our top-rated gasoline chainsaws.

We offer a wide range of chainsaws to suit every need:

  • Occasional Use Models: Perfect for homeowners and hobbyists.

  • Semi-Professional Models: Ideal for frequent use and medium-duty tasks.

  • Professional Models: Designed for the most demanding jobs with superior performance and durability.

Contact us today and we will help you achieve new success with our top-rated gasoline chainsaws.

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