*** The Honda GX630RH-QAF1 is also in stock. It's the same as the GX630RH-QAF but it includes a control box and there's no hole in the flywheel screen. Click here.
* Needs ignition switch and harness if replacing old engine.

The Honda GX630RH-QAF gas engine is a strong and dependable choice for numerous commercial and industrial applications. Boasting a 20.8 HP output and a displacement of 688cc, this 4-stroke OHV twin-cylinder engine provides impressive performance, making it perfect for repowering tractors, running generators, powering pressure washers, and tackling other demanding tasks. Its blend of power, efficiency, and user-friendly operation guarantees it can manage even the most challenging jobs effortlessly.

The electric start feature guarantees quick and easy ignition every time, and the remote throttle control enhances convenience for different operational settings. With a 17 Amp charging coil, the GX630RH-QAF offers extended runtime and dependable power for auxiliary systems.

The integrated screen grid and PTO feature give this engine great versatility for various power take-off uses, improving its suitability for different machinery types. It boasts a sturdy 1" keyed shaft, ensuring compatibility with numerous industrial and commercial equipment that demands high torque and accuracy.

The engine is built with a cast iron sleeve and a dual-element air cleaner, making it robust enough to handle tough conditions while providing a longer service life.

This Honda engine is equipped with a two-barrel inner-vent carburetor that delivers accurate fuel metering, improving both performance and fuel economy. The hemispherical combustion chamber allows for quick combustion, resulting in increased power without sacrificing fuel efficiency. Additionally, its high compression ratio of 9.3:1 enhances the engine's ability to save fuel.

The digital CDI ignition system with adjustable timing provides excellent performance and control, resulting in a smoother operation, even when under pressure. Delivering 35.6 ft. lbs. of torque at 2500 RPM, this engine has the strength needed for tough jobs, all while running quietly and efficiently.

The GX630RH-QAF is built with convenient features that make maintenance and operation a breeze. Its automatic mechanical de-compression system ensures a smooth and easy start every time. The Oil Alert system safeguards the engine by preventing it from running low on oil, helping to avoid damage and promoting durability. Additionally, the forced-air cooling system maintains optimal engine temperatures, even during extended use in challenging conditions.

The Honda GX630RH-QAF is a compact powerhouse, measuring 16 x 16.25 x 17.25 inches and weighing just 97 lbs. Its design allows it to seamlessly integrate into various types of equipment, making it an ideal choice for applications that demand both reliability and strong performance.

Honda engines have a reputation for their long-lasting performance, and the GX630RH-QAF certainly lives up to that standard. Featuring helical cut gears and a forged steel crankshaft, this engine is engineered for extended use. It also complies with emission regulations, striking a great balance between power and environmental care. Plus, there's no need for a catalytic converter to meet these emissions requirements, which helps lower both maintenance and expenses.

The GX630RH-QAF engine is incredibly adaptable and suitable for a wide range of equipment, such as tractors, generators, pressure washers, sawmills, and various types of industrial machinery.

This product is a fantastic alternative for older engines from various brands, offering versatility and ensuring it remains relevant for years to come. With your purchase, you'll receive important accessories like a user manual and a spark plug wrench, allowing you to install and start using your engine right away. If you have any doubts about compatibility, our knowledgeable team is here to help you find the perfect match for your needs. Don’t hesitate to contact us at 1-888-208-2088 or 248-628-4638 with any questions.

We are dedicated to delivering high-quality products at great prices. The Honda GX630RH-QAF gas engine includes a 3-year limited warranty, giving you confidence and guaranteeing durability. Plus, with free shipping and quick processing from our well-stocked warehouse, your engine will arrive swiftly and safely, all set for your upcoming project.

This Honda small motor is built with quality components and is ready to outlast the competition. 

Please call for questions about what engines this replaces. (888-208-2088, 248-628-4638)