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GE390 4-Stroke Gasoline Engine for Professional Use with 13.0 HP Power

Powerful 13HP gasoline engine with over 500 continuous hours of life
Reliable, durable, and easy to start by hand
Versatile 25.4mm flat key output shaft for various applications
All-steel crankshaft and camshaft for increased durability
Fuel-efficient with precision combustion chamber design and high-quality carburetor.


1. 13HP powerful gasoline engine, long life of more than 500 continuous hours, more reliable and durable, easy to start by hand;

2. 25.4mm flat key output shaft, suitable for most applications;

3. All-steel crankshaft and camshaft, more durable;

4. Precision combustion chamber design and high-quality carburetor, more fuel-efficient


Package dimension 480 x 455 x 510 mm (18.9 x 17.9 x 10.1 inch)
Gross weight 31 kg (68 lbs)
Net weight 29 kg (64 lbs)
Engine Single cylinder, forced air cooling, 4-stroke,OHV gasoline engine
Displacement 389 cc
Rated Power (output) 7.3 kW / 3600 rpm
Maximum torque 22 Nm / 2500 rpm
Lowest idling speed 1600 ± 100 rpm
Starter type Manual recoil start / Electric start
Fuel Unleaded gasoline
Fuel tank capacity 6 L
Engine oil SAE10W-30
Oil capacity 1.1 L


  • (1x) Gasoline engine
  • (1x) Flat key 6.3×7×52
  • (1x) Spark plug wrench
  • (1x) Warranty card
  • (1x) Owner’s manual

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Please provide the model type of your machine in your inquiry, and mention the keywords like chainsaw parts, brush cutter parts, sprayer/mist duster parts, leaf blower parts, hedge trimmer parts, water pump parts, generator parts, engine parts, lawn mower parts, etc.



Q       What type of fuel and oil should I use for the machine's engine?
A       Refer to the user manual for specific fuel and oil recommendations. Different models may have different requirements, and using the right type of fuel and oil is essential for proper engine performance and longevity.
Q       How long does a 4-stroke engine last?
A       The life of a 4-stroke engine depends on many factors, such as proper maintenance, operating conditions, and the quality of the engine. In general, with appropriate care, these engines can last many years and thousands of miles in the case of motor vehicles.
Q       What are the signs of a troubled 4-stroke engine?
A       Some common signs of trouble include loss of power, excessive exhaust smoke, hard starting, abnormal engine sounds, excessive oil or gasoline consumption, and oil or coolant leaks. When any of these symptoms appear, taking the engine to an authorized service center is crucial.
Q       What kind of gasoline should be used in a 4-stroke engine?
A       Most 4-stroke engines run best on straight gasoline with a low octane number.
Q       How is a 4-stroke engine maintained?
A       Regular maintenance includes: ●Changing the oil and oil filter. ●Replacing spark plugs. ●Cleaning or replacing the air filter. ●Adjusting chain tension on lawn and garden equipment. ●Checking and adjusting valves if necessary. It is also essential to follow the user manual attached to the packaging.
Q       What is the difference between a 2-stroke and a 4-stroke engine?
A       The main difference is the duty cycle. A 2-stroke engine completes all stages in a single revolution of the crankshaft, while a 4-stroke engine requires two processes to complete the cycle. 4-stroke engines are usually more efficient and less polluting, but 2-stroke engines are simpler and more compact.
Q       How does a 4-stroke engine work?
A       In the first stage, the intake valve opens, and the piston moves down, allowing the air-gasoline mixture to enter the combustion chamber. In the second stage, the intake valve closes, and the piston rises, compressing the mixture. In the third stage, the spark is ignited at the spark plug, which causes the combustion of the mix and pushes the piston down. Finally, the exhaust valve opens in the fourth stage, and the piston rises again, expelling exhaust gases.
Q       What is a 4-stroke gasoline engine?
A       A 4-stroke gasoline engine is an internal combustion engine that works in four stages: intake, compression, combustion, and exhaust. These engines are standard in automobiles, motorcycles, and lawn and garden equipment.
Q       What kind of gasoline should be used in a 4-stroke engine?
A       Most 4-stroke engines run best on straight gasoline with a low octane number.



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Jonathan Blackmore

“This is my NT6210. We are just out of one of the worst storms in living memory here in Ireland. This saw worked for 3 days almost 8 hours a day. My first comment is this saw is very well balanced and constructed. My second comment is it is very economical on fuel. Very happy to recommend this saw to anyone who asks me. Blade is holding its edge very well. Craftop is the Toyota of chainsaws.”

Imposur Perú

New Business Development Director

“Craftop has allowed us to give back to thousands of families the sense of progress and self-realization, giving them powerful, reliable machinery they can depend on.”

Yorvenys Sánchez - Verechi Panama

General Manager

“Craftop is high-quality equipment, preferred by customers because they know its value guarantees them reliability for a long time. What the market least needs is disposable equipment. Our success has been thanks to Craftop.”