icon Skip to content
Blog FAQ Reviews
Financing Available

Option to split your payments over time

Free Shipping

Free Shipping across continental US

Expert Assistance

Need help? Give us a call at +1 888 575-2099

Quality Assurance

Manufacturer's warranty on most items

DuroMax 440cc 1-Inch Shaft Recoil Start Gasoline Engine - XP18HP

DuroMax 440cc 1-Inch Shaft Recoil Start Gasoline Engine - XP18HP

by DuroMax
SKU XP18HP

Save 5% Save 5%
$399.00
$399.00 - $399.00
$399.00
$379.99
$379.99 - $379.99
$379.99

DuroMax Offers Horizontal Gas-Powered Engines That Have Been Designed And Engineered To Meet The Rigorous Demands Of Everyday Use. 

The DuroMax XP18HP is our largest and most powerful single cylinder engine we offer; this 440cc 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 1.7-gallon fuel tank for longer runtimes, E-Z Pull Recoil Starter for starting the engine with ease, and EPA and CARB approved for safe mandated use.

Manufacturer DuroMax Power Equipment
Part # XP18HP
Engine Type 4-Stroke
Valve Type OHV
Engine Cooling Type Forced Air
Displacement 440cc
Bore 92mm
Stroke 66mm
Max Output 3600 RPM
Max Torque 26.26 ft/lb.
Shaft Orientation Horizontal
Shaft Size 1" Diameter, 2-3/4" Long, 1/4" Keyway
Shaft End 3/8" Size 24 UNF - Drilled and Tapped
Shaft Rotation Counter Clockwise
Measurement from Center of Shaft to Base 5"
Fuel Tank Capacity 1.7 Gallons
Fuel Types Gasoline
Fuel Delivery System Carburetor
Average Run Time 1/2 Gallon Per Hour (at 1/2 load)
Starting Type Recoil
Recoil Start Yes
Cast Iron Sleeve Yes
Bearing Type Stainless Steel Ball Bearing
Oil Cooling Type Splash
Oil Capacity 37.2 fluid oz.
Recommended Oil 10W-30
Recommended Oil Types Blended, Conventional, or Synthetic
Product Dimensions 19.5"-Long x 17.5"-Wide x 19.3"-High
Product Weight 77-lbs
UPC 811640014162
Warranty 1Year
EPA Certified Yes
CARB Certified Yes
50 State Emissions Yes

  • 440cc 4 Stroke OHV Engine

  • Large 1.7 Gallon Fuel Tank

  • Runs on Standard 87 Octane Gasoline

  • Electric Start Key Switch Box

  • Alternate Start System: E-Z Pull Recoil Starter

  • Air Cleaner: Dual, Semi-dry, Oil Bath

  • EPA and CARB Approved for Safe Mandated Use

  • Applications: Go Karts, Pressure Washers, Trailer Mounted - Mobile Carwashes, Log Splitters, RotoTillers - Cultivators, Water/Trash Transfer Pump

  • DuroMax XP18HP Engine

  • Owner's Manual

 ✓ Product Manual

 ✓ Warranty

Order shipment preparation takes 3 days. Once shipped orders usually takes 2 weeks to be delivered. These are estimations; delivery can be delayed for reasons beyond our control. You can always contact us to know the exact delivery time once you placed an order with us. Have a look at our shipping policy here.