The DuroMax XP20HP is the largest and most powerful single cylinder engine Duromax offers; this 500cc 4-stroke OHV powerhouse is suitable for multiple heavy-duty applications including go karts, pressure washers, trailer mounted-mobile carwashes, log splitters, roto tillers- cultivators, and water/trash transfer pumps. This engine is equipped with convenient features like a large 1.35-gallon gas tank for longer runtimes, an E-Z pull recoil starter to start the engine with ease, and EPA and CARB approved for safe mandated use.

• Duromax's largest and most powerful single cylinder engine
• Perfect for projects that demand serioes power like boats, go-karts, tractors, and more
• Reliable E-Z pull recoil start gets engine up and running quickly