Best 5hp Horizontal Shaft Gas Engine in 2025
Updated on July 2025
#1
Recommended
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- 1" diameter shaft, 3.48" long, end tapped with 3/8"-24 UNF, includes a 1/4" keyway
- 4-stroke air-cooled gas engine with recoil and electric start
- 18HP engine operating at 3600RPM with a 1.7-gallon fuel tank
- Features metal cams, forged crankshafts, and cast iron cylinder liners for enhanced performance and durability
- Factory-tested engine for quality assurance; complies with EPA standards, includes a 2-year limited warranty and lifetime technical support
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- 1" diameter shaft, 3.48" long, end tapped with 3/8"-24 UNF, includes a 1/4" keyway
- 4-stroke air-cooled gas engine with recoil and electric start
- 18HP engine operating at 3600RPM with a 1.7-gallon fuel tank
- Features metal cams, forged crankshafts, and cast iron cylinder liners for enhanced performance and durability
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#2
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- Durable cast iron construction for enhanced longevity
- Intuitive controls for straightforward starting and operation
- Recoil start mechanism
- Fuel shut-off feature for safe transport
- Ball bearing support shaft ensures extended lifespan
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- Durable cast iron construction for enhanced longevity
- Intuitive controls for straightforward starting and operation
- Recoil start mechanism
- Fuel shut-off feature for safe transport
- Ball bearing support shaft ensures extended lifespan
#3
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- Shaft features a 3/4" diameter, 2-3/8" length, 5/16"-24 UNF threads, and a 3/16" keyway for enhanced precision; mounting pattern measures 6.40" in length and 2.95" to 3.17" in width for versatile applications.
- Meets EPA standards with 8.1 ft.-lb torque @ 2500 RPM and a maximum speed of 3600 RPM; generates 7 horsepower powered by a 0.9-gallon fuel tank.
- Compatible replacement for 6/6.5/7/7.5 hp engines from brands like Honda, Yamaha, Kohler, and Briggs & Stratton; suitable for use in cement mixers, compressors, log splitters, vacuums, water pumps, and chipper shredders.
- Designed for industrial applications with efficient fuel shut-off and overhead valves; features an easy-to-use recoil starter system for reliable starting.
- Guaranteed 100% new engine, tested with oil prior to packaging; engine oil is not included and may exhibit a slight oily residue.
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- Shaft features a 3/4" diameter, 2-3/8" length, 5/16"-24 UNF threads, and a 3/16" keyway for enhanced precision; mounting pattern measures 6.40" in length and 2.95" to 3.17" in width for versatile applications.
- Meets EPA standards with 8.1 ft.-lb torque @ 2500 RPM and a maximum speed of 3600 RPM; generates 7 horsepower powered by a 0.9-gallon fuel tank.
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#4
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- Shaft diameter: 3/4 inch; Keyway size: 3/16 inch; Shaft length: 2.43 inches; End: 5/16"-24 drilled and tapped; Orientation: Horizontal; Bore x Stroke: 70x55 mm; Displacement: 212cc; Compression ratio: 8.5:1; Power output: 7 HP; Fuel tank capacity: 3.6 L; Oil capacity: 0.6 L; EPA certified.
- 4-stroke 212cc OHV gasoline engine delivers strong power for various applications including go-karts, log splitters, compressors, lawn mowers, water pumps, and pressure washers.
- Overhead valve design enhances power output and fuel efficiency, reducing fuel costs.
- Ball bearing supported crankshaft minimizes vibration and improves stability for smoother operation.
- Automatic shut-off feature activates when oil level is low to enhance safety and prolong engine life.
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- Shaft diameter: 3/4 inch; Keyway size: 3/16 inch; Shaft length: 2.43 inches; End: 5/16"-24 drilled and tapped; Orientation: Horizontal; Bore x Stroke: 70x55 mm; Displacement: 212cc; Compression ratio: 8.5:1; Power output: 7 HP; Fuel tank capacity: 3.6 L; Oil capacity: 0.6 L; EPA certified.
- 4-stroke 212cc OHV gasoline engine delivers strong power for various applications including go-karts, log splitters, compressors, lawn mowers, water pumps, and pressure washers.
- Overhead valve design enhances power output and fuel efficiency, reducing fuel costs.
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#5
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- Maximum torque of 10.8 N-m, bore stroke of 2.75 x 1.77 inches, crankshaft diameter of 0.78 inches, crankshaft length of 1.96 inches, 210cc displacement, and 7.5hp power output.
- Overhead valve design reduces carbon buildup and lowers fuel consumption; enhanced air filter improves air filtration and reduces wear.
- The horizontal shaft gas engine delivers 7.5HP power, 210cc displacement, and operates at a speed of 3600RPM for efficient performance.
- Features a metal cam, forged crankshaft, and cast iron cylinder liner for reliable operation and extended lifespan; supports manual and electric starting.
- Designed with a forced air cooling system and ventilated heat sink for effective cooling and long-lasting durability.
- Integrated oil alarm system automatically shuts down the engine if oil is insufficient, preventing damage and extending service life.
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- Maximum torque of 10.8 N-m, bore stroke of 2.75 x 1.77 inches, crankshaft diameter of 0.78 inches, crankshaft length of 1.96 inches, 210cc displacement, and 7.5hp power output.
- Overhead valve design reduces carbon buildup and lowers fuel consumption; enhanced air filter improves air filtration and reduces wear.
- The horizontal shaft gas engine delivers 7.5HP power, 210cc displacement, and operates at a speed of 3600RPM for efficient performance.
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#6
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- Engine generates up to 3kw of power with 3600r/min speeds for efficient operation
- 6.5-liter fuel tank ensures prolonged use and overhead valves enhance fuel efficiency
- Oil alarm feature prevents damage by shutting down the engine when oil levels are low
- Constructed with high-quality aluminum, iron shaft, and cast iron cylinder for enhanced durability
- All-in-one design allows for easy installation and use, with built-in cooling system for reliability
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- Engine generates up to 3kw of power with 3600r/min speeds for efficient operation
- 6.5-liter fuel tank ensures prolonged use and overhead valves enhance fuel efficiency
- Oil alarm feature prevents damage by shutting down the engine when oil levels are low
- Constructed with high-quality aluminum, iron shaft, and cast iron cylinder for enhanced durability
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#7
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- 4-stroke 6.5hp engine with overhead valve (OHV) design for low fuel consumption and stable performance.
- Constructed from high-quality aluminum, iron shaft, cast iron cylinder cover, and iron fuel tank for enhanced durability.
- Includes an oil alarm that automatically turns off the engine to prevent damage from low oil levels; features a cast iron cylinder liner for smoother operation.
- Cast iron cylinder liner ensures easy starting and stable operation, improving efficiency after engine replacement.
- Suitable as a replacement engine for various home and yard equipment, including go-karts, compressors, lawn mowers, water pumps, generators, pressure washers, truck mowers, cement mixers, and dust collectors.
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- 4-stroke 6.5hp engine with overhead valve (OHV) design for low fuel consumption and stable performance.
- Constructed from high-quality aluminum, iron shaft, cast iron cylinder cover, and iron fuel tank for enhanced durability.
- Includes an oil alarm that automatically turns off the engine to prevent damage from low oil levels; features a cast iron cylinder liner for smoother operation.
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#8
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- Gasoline engine reduces manual labor, improving energy efficiency.
- Power output of 3kW and speed of 3600r/min for quick task completion.
- 6.5L fuel tank for extended operation without frequent refueling.
- Built-in air cooling system ensures reliability and durability of motor.
- OHV overhead valve minimizes carbon buildup, enhancing fuel efficiency.
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- Gasoline engine reduces manual labor, improving energy efficiency.
- Power output of 3kW and speed of 3600r/min for quick task completion.
- 6.5L fuel tank for extended operation without frequent refueling.
- Built-in air cooling system ensures reliability and durability of motor.
- OHV overhead valve minimizes carbon buildup, enhancing fuel efficiency.
#9
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- 🔥【Efficient Cooling System】The built-in air cooling system and ventilated heat sink are designed to keep the motor cool and provide high reliability and durability.
- 🔥【Strong Power】The 4 stroke gas engine has a power of up to 3kw and a high speed of up to 3600r/min, our engines produce a lot of power and help you get the job done quickly and well.
- 🔥【High Safety:】The 6.5hp gas engine is equipped with an oil alarm. If enough oil is not added before starting, the machine will automatically turn off to protect the machine. Moreover, the cast iron cylinder liner make engine operation smoother and overall performance more stable, thus the machine will not be easily damaged and has a longer service life.
- 🔥【Good Noise Reduction Effect】The gas enginet adopts a silencer, which has a good noise reduction effect. This engine works hard to create a quiet working environment for you.
- 🔥【Low Fuel Consumption】The OHV overhead valve effectively helps reduce carbon buildup and dramatically improves fuel savings. You can also save a lot of money on fuel costs.
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- 🔥【Efficient Cooling System】The built-in air cooling system and ventilated heat sink are designed to keep the motor cool and provide high reliability and durability.
- 🔥【Strong Power】The 4 stroke gas engine has a power of up to 3kw and a high speed of up to 3600r/min, our engines produce a lot of power and help you get the job done quickly and well.
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#10
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- Constructed from high-quality aluminum and cast iron components, this go-kart engine is designed for long-lasting durability.
- Delivers up to 3 kW of power at 3600 RPM for efficient performance.
- Equipped with a 3.6-liter fuel tank for extended operation without frequent refueling.
- Features an OHV design for enhanced fuel efficiency and reduction of carbon buildup, contributing to lower fuel costs and quieter operation.
- Ready to use with an all-in-one design, requiring no separate assembly for easy installation.
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- Constructed from high-quality aluminum and cast iron components, this go-kart engine is designed for long-lasting durability.
- Delivers up to 3 kW of power at 3600 RPM for efficient performance.
- Equipped with a 3.6-liter fuel tank for extended operation without frequent refueling.
- Features an OHV design for enhanced fuel efficiency and reduction of carbon buildup, contributing to lower fuel costs and quieter operation.
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