DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
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DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine
DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine

500cc 1-Inch Shaft Recoil Start Gasoline Engine

DuroMax XP20HP
MSRP $499.00
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The DuroMax XP20HP is our largest and most powerful single cylinder engine we offer; 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, and an E-Z pull recoil starter to start the engine with ease.
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DuroMax 500cc 1-Inch Shaft Recoil Start Gasoline Engine

500cc 1-Inch Shaft Recoil Start Gasoline Engine

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500cc 4-Stroke OHV Engine

Our largest and most powerful single cylinder engine, perfect for projects that demand serious power.

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XP20HP Specifications

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
Recoil Start Yes
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 77 lbs
UPC 811640016869
EPA Certified Yes
CARB Certified No
50 State Emissions No
Warranty 3 Year
What's in the Box? DuroMax XP20HP Engine, Spark Plug Wrench, Oil Funnel, and Owner’s Manual

Mounting Diagrams

Measured in millimeters (mm)

Bottom

Shaft

Side

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XP20HP Specifications

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
Recoil Start Yes
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 77 lbs
UPC 811640016869
EPA Certified Yes
CARB Certified No
50 State Emissions No
Warranty 3 Year
What's in the Box? DuroMax XP20HP Engine, Spark Plug Wrench, Oil Funnel, and Owner’s Manual

Warranty Information

DuroMax stands behind this product with a 3 Year parts and technical service warranty. Our USA based teams are available to help walk-through, troubleshoot or diagnose. Nationwide service centers fix any issues - DuroMax has you covered!

DuroMax Power Product Support Files and Manuals

At DuroMax Power, we provide easy access to comprehensive support files and manuals to help you set up, maintain, and troubleshoot your equipment efficiently.


Available Resources:

  • User Manuals: Download detailed user manuals for step-by-step instructions on setup, operation, and maintenance.
  • Quick Start Guides: Get up and running quickly with our concise quick start guides.
  • Product Specifications: Access detailed product specifications to understand the features and capabilities of your DuroMax Power equipment.

XP20HP manual cover Product Manual
XP20HP service manual cover Service Manual
XP20HP Warranty Warranty

Contact DuroMax Power for Product Support

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At DuroMax Power, we're here to help you with any questions or issues you may have with our products. Contacting us for product support is easy and convenient.


How to Reach Us:

  • Phone Support: Speak directly with our knowledgeable customer service team for assistance at 844-DUROMAX.
  • Email Support: Send us an email with your inquiry, and our support team will respond promptly.
  • Live Chat: Use our live chat feature for real-time answers to your questions.
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XP20HP
$499.00
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