JPNTECH 60cc 20 Inch J-780 Chainsaw: In-Depth Review and Customer Opinions

The JPNTECH J-780 is a 60cc, 20-inch gas chainsaw from a company called JPNTECH that manufactures outdoor power tools. JPNTECH is not one of the major mainstream brands like Stihl or Husqvarna, but it aims to provide an affordable chainsaw option with decent power and features.

The JPNTECH J-780 is marketed as a powerful all-purpose chainsaw suitable for tasks like storm cleanup, tree felling, firewood cutting, and lumber milling. With its 60cc 2-stroke engine, 20-inch bar and chain, and lightweight yet durable construction, it offers a good balance of portability and cutting capability for homeowners and landowners looking for a gas chainsaw option below $200.

Design & Build Quality

The J-780 chainsaw from JPNTECH features a rugged yet lightweight design optimized for durability and ease of handling. The body is constructed from a durable composite material that resists cracking and fading even after prolonged use.

The top handle has an ergonomic rubberized grip that provides a secure and comfortable hold, reducing hand fatigue during extended cutting sessions. The front hand guard also utilizes a textured rubber coating for enhanced grip.

The steel chain bar measures 20 inches in length, allowing you to cut thicker logs and branches up to 19 inches wide. It is encased in a durable metal guard for protection from debris and kickback during operation. The sprocket and chain are also shielded by metal side plates to prevent sawdust buildup and jamming issues.

Overall, the materials and construction used for the J-780 are built to withstand frequent use under tough conditions while keeping the saw comfortable and manageable to operate. The combination of sturdy composite bodywork and ergonomic rubber grips demonstrates a strong attention to quality, durability, and user experience in the design.

Engine Power & Cutting Performance

The J-780 chainsaw is powered by a high performance 60cc 2-stroke gasoline engine that delivers impressive cutting power for taking on demanding cutting jobs. The large 60cc displacement provides robust torque and smooth operation even when sawing through thick, hardwood logs or lumber.

According to the manufacturer, the engine can generate up to 4 horsepower at maximum output. This amount of power enables the 20-inch bar and chain to achieve quick cutting speeds through dense wood. Users report the saw can bore through oak, hickory, and other hardy species without slowing down. The engine has sufficient muscle for all day use on firewood cutting, tree felling, and storm cleanup tasks.

The J-780's power plant provides a good balance of power versus weight at around 15 pounds. The muscular 60cc engine gives it more cutting capability than a typical 50cc or 40cc saw, allowing it to power through jobs where lesser models would stall or bind up. Yet it's still light enough for users to operate it overhead or in tight spaces. If you require aggressive cutting performance for tackling medium to large diameter logs, the J-780 has the engine grunt to get it done.

Ease of Use

The J-780 chainsaw is designed for straightforward starting and operation. The starter cord pulls smoothly to power up the 2-stroke engine. Once running, the throttle trigger and lockout lever provide responsive speed control.

The chain tension can be easily adjusted using the side access knob, without tools. The knobs for chain oil flow rate and carburetor tuning are also externally accessible for on-the-fly adjustments. The chain brake is conveniently activated by the front hand guard.

For maintenance, the air filter is readily accessible behind the back cover. The spark plug and chain can be accessed by removing separate side covers, both secured with quick-turn knobs. The fuel and bar oil tanks are translucent so fuel level is visible at a glance.

Overall, the J-780 aims to provide robust power while remaining easy to start, operate, and maintain for homeowners and ranchers. The controls are intuitive and adjustments are straightforward with the external knobs and tool-less chain tensioning. This helps maximize cutting time instead of fiddling with the saw before each use.

Safety Features

The J-780 chainsaw has several key safety features to protect the operator during use.

• Chain Brake: This chainsaw has an automatic chain brake that engages if the chainsaw kicks back aggressively. The brake stops the chain instantly to prevent further contact and injury.

• Anti-Vibration: This chainsaw utilizes an anti-vibration system to absorb vibrations generated during cutting. This reduces fatigue and strain for the user during prolonged operation. Less vibration improves control and makes cutting smoother.

• Kickback Protection: To prevent dangerous kickbacks, the J-780 has a reduced kickback guide bar and chain. This allows better control if kickback occurs, and the operator can regain control of the chainsaw more easily. The front hand guard also protects the hand if sudden kickback happens.

Together these critical safety features allow the operator to use the chainsaw with confidence and minimize the risk of accidents or injuries. The chain brake in particular can prevent severe injury if the chain makes sudden contact with the operator's body. Overall the J-780 promotes safe operation during tough cutting jobs.

Additional Features

The J-780 chainsaw comes equipped with several handy features to improve the user experience.

Automatic Oiling

An automatic oil pump provides continuous lubrication to the guide bar and chain while cutting. This prevents overheating and wear. The oil tank capacity is 150mL, which allows for longer cutting sessions between refills. Users don't have to worry about manually applying oil.

Tool-Less Chain Tensioning

Adjusting the chain tension is quick and easy thanks to the side-access tool-less knob. Just turn the knob to achieve the proper tension for the chain. This allows for on-the-fly adjustments without tools. The knob is conveniently located for fast access.

Maintenance

The JPNTECH J-780 chainsaw requires some regular maintenance to keep it running smoothly. Here are some key areas to keep an eye on:

Air Filter - The air filter should be checked periodically and cleaned or replaced as needed. A dirty air filter will restrict airflow to the engine and reduce performance. To clean it, remove the filter and wash it in warm soapy water. Make sure it's fully dry before reinstalling. Replace the filter if it's excessively dirty or falling apart.

Bar and Chain - Keeping the guide bar and saw chain properly lubricated is critical for safe and efficient cutting. Use only good quality bar and chain oil, and check the oil level before each use. The chain needs to be tensioned to the proper spec. A loose chain can be dangerous and cause more wear. Inspect the chain for any damaged cutters or links, and replace when excessively worn. Sharpen the chain regularly with the proper file size for your model. Also make sure the bar rails are clean and that the oil holes are clear of debris. Rotate the bar periodically to evenly distribute wear.

Proper maintenance of the key components like the air filter, bar, and chain will extend the life of your chainsaw and allow it to operate at peak performance. Always refer to the user manual for detailed maintenance procedures and schedules specific to your model.

Pros

Powerful 60cc 2-Stroke Engine

• The 60cc 2-stroke engine provides ample power for cutting through thicker branches and logs up to 20 inches thick. Compared to lower cc engines, the extra power gets the job done faster with less binding in dense wood.

Good Balance and Lightweight Design

• Weighing just 12 lbs, the J-780 is lighter than many competitor models. The compact size and ergonomic rear handle provide good balance and control when maneuvering the saw. This makes extended use less tiring.

Tool-less Chain Tensioning

• Adjusting the chain tension is easy with the tool-less side access system. Just turn the knob to get the right tension for the chain. No tools required.

Automatic Oiler for Chain Lubrication

• The automatic oiler provides a constant supply of bar and chain lubrication while cutting. This prevents overheating and extends the life of the bar and chain. One less thing to worry about during operation.

Cons

The JPNTECH J-780 chainsaw does have some drawbacks to consider:

• The plastic housing and components feel a bit cheap and may not hold up to heavy, daily use over many years. The overall build quality is not on par with professional models.

• At 60cc, the engine is powerful but still considered medium duty. Professionals and those cutting very large logs may want more power.

• It can be difficult to start, especially once flooded. Pulling the starter cord requires strength. This makes starting challenging for some users.

• Vibration levels are significant, leading to fatigue during extended use. Those sensitive to vibration may prefer other models with better damping.

• It lacks features of pro models like toolless chain adjustments and tensioning, magnesium crankcases, and advanced air filtration.

The J-780 is an affordable homeowner saw but does sacrifice some power, comfort, and durability compared to commercial-grade chainsaws. Consider your needs and cutting frequency when weighing the cons.

Conclusion

Overall, the JPNTECH J-780 chainsaw is a powerful and efficient gas-powered chainsaw that performs well for most homeowners and DIYers. The 60cc 2-stroke engine provides plenty of cutting power to tackle medium to large logs and fallen trees. It's fairly lightweight yet durable in construction.

The J-780 isn't as refined or professional-grade as more expensive saws, but it offers good value. It excels at basic tasks like storm cleanup, tree limbing, and firewood cutting. The 20" bar and chain can handle logs up to 24" diameter.

The chainsaw is easy to start and operate. The automatic chain oiler helps extend the life of the bar and chain. Safety features like the chain brake and front hand guard provide protection. Maintenance is straightforward with easy access to the air filter and spark plug.

Downsides are the moderate vibration level that causes fatigue over extended use. It also lacks conveniences like quick chain adjustments. The 2-stroke engine requires mixing oil and gas which some users may find inconvenient.

Overall, the JPNTECH J-780 is a very capable gas chainsaw suitable for most homeowners. It provides good power and ease of use at a reasonable price point. If you need an affordable chainsaw for storm cleanup or occasional wood cutting, the J-780 is a recommended option.