DuroMax XP18HPX 439cc 1" Shaft Recoil/Electric Start Horizontal Dual Fuel Engine

by DuroMax
$549.00 + Free Shipping

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The DuroMax XP18HPX is our largest and most powerful Dual Fuel engine. This 439cc 4-stroke OHV powerhouse is suitable for multiple heavy duty applications including go karts, pressure washers, trailer-mounted mobile carwashes, log splitters, rototillers/cultivators, and water/trash transfer pumps. The XP18HPX comes equipped with convenient features such as a large 1.4-gallon gas tank., a propane hookup for flexibility and longer runtimes, an electric keyed start, and an E-Z pull recoil starter. This engine is EPA and CARB approved for safe mandated use.

  • 439cc 4-Stroke OHV engine
  • Large 1.4 gallon fuel tank
  • Runs on standard 87 Octane gasoline or propane
  • Electric start key switch box
  • E-Z pull recoil starter
  • Air Cleaner: Dual, semi-dry, oil bath
  • Propane hose and regulator included
  • 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

What's in The Box
  • DuroMax XP18HPX Engine
  • 12V Battery Leads
  • Propane Hose with Propane Regulator
  • Propane Inlet Cap
  • Owner's Manual
  • 3-Year Limited Factory Warranty
  • 30 Day Satisfaction Guaranteed
Manufacturer DuroMax Power Equipment
Engine Type 4-Stroke
Valve Type OHV
Engine Cooling Type Forced Air
Displacement 439cc
Bore 92 mm
Stroke 66 mm
Max Output 4000 rpm
Max Torque 35.6 N·m @ 2500 rpm
Shaft Orientation Horizontal
Shaft Size 1” diameter, 2.84” 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 5.31”
Fuel Tank Capacity 1.4 gallons
Fuel Types Gasoline, Propane
Fuel Delivery System Carburetor
Average runtime on gasoline 2 hours
Average runtime on propane 8 hours (40 lb)
Starting type Key Switch
Electric Start Yes
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 19.29” L x 13.98” W x 18.11” H
Weight 79 lbs
UPC 811640016791
EPA Certified Yes
CARB Certified Yes
50 State Emissions Yes

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