DuroMax XP20HP 500CC Gasoline Engine Overview
Introducing the DuroMax XP20HP, the embodiment of power and precision in a single-cylinder engine. Unleash a colossal 500cc 4-stroke OHV juggernaut, meticulously crafted for diverse heavy-duty applications such as Home tractors, pressure washers, small boats, modified motorcycles, and water/trash transfer pumps. This is our largest and most potent offering, engineered to redefine your expectations.
Experience exceptional convenience with features that set the XP20HP apart. A capacious 1.35-gallon gas tank ensures extended runtimes, allowing you to conquer the most demanding tasks without interruption. The E-Z pull recoil starter guarantees a seamless ignition, making every start-up effortless. Rest assured knowing the XP20HP is EPA and CARB-approved, ensuring both safety and compliance with mandated standards.
Take command of your projects with the DuroMax XP20HP – where raw power meets ingenuity. Dominate the field with a single-cylinder engine that transcends limitations, offering unparalleled performance and reliability. Elevate your endeavors with the industry-leading XP20HP, a testament to engineering excellence and unmatched power. Choose DuroMax and let your projects reach unprecedented heights.
DuroMax XP20HP Features
500cc 4-Stroke OHV Engine
Suitable for multiple heavy-duty applications that demand serious POWER!
Recoil Start
With its reliable E-Z pull recoil start, you can get this engine up and running in no time! Our engine is easy to use and perfect for a wide range of equipment.
Warranty
- 3-Year Limited Factory Warranty
 
- 30-Day Satisfaction Guaranteed
 
What's in The Box
- DuroMax XP20HP Engine
 
- Spark Plug Wrench
 
- Oil Funnel
 
- Owner’s Manual
 
DuroMax XP20HP Specifications
| Manufacturer | 
DuroMax Power Equipment | 
| Part # | 
XP20HP | 
| Engine Type | 
4-Stroke | 
| Valve Type | 
OHV | 
| Engine Cooling Type | 
Forced Air | 
| Displacement | 
500 cc | 
| Bore | 
94 mm | 
| Stroke | 
72 mm | 
| Max Output | 
4000 rpm | 
| Max Torque | 
22.87 Ft/lbs (31 N·m) @ 2500 rpm | 
| Shaft Orientation | 
Horizontal | 
| Shaft Size | 
1†diameter, 3.535†long, 1/4†keyway | 
| Shaft End | 
3/8†size 24 UNF – 2B drilled and tapped | 
| Shaft Rotation | 
Counter-Clockwise | 
| Measurement from Center of Shaft to Base | 
5.26†| 
| Fuel Tank Capacity | 
1.35 gallons | 
| Fuel Types | 
Gasoline | 
| Fuel Delivery System | 
Carburetor | 
| Average runtime on gasoline | 
2 hours | 
| Starting type | 
Recoil Start | 
| Warranty | 
5 Year | 
| Cast Iron Sleeve | 
Yes | 
| Bearing Type | 
Stainless Steel Ball Bearing | 
| Oil Cooling Type | 
Splash | 
| Oil Capacity | 
40.5 fluid oz. | 
| Recommended Oil | 
10W-30 | 
| Recommended Oil Types | 
Blended, Conventional, or Synthetic | 
| Product Dimensions | 
19†L x 17†W x 19†H | 
| Weight | 
Weight | 
| UPC | 
811640016869 | 
| EPA Certified | 
Yes | 
| CARB Certified | 
Yes | 
| 50 State Emissions | 
Yes | 
 
Manuals