21.0 Gross HP*

21.0 Gross HP*


Advanced Debris Management

3-Year Commercial Engine Warranty


V-Twin OHV Technology

Superior balance, low vibration, lower emissions, improved valve life, better fuel economy and higher HP/Weight

Cooler Cleaner Technology (efficient fan, improved debris management)

Efficiently reduces engine and oil temperatures by 25-30 degrees while effectively managing airborne debris

Dura-Bore Cast Iron Cylinder Sleeve

Withstands wear while providing improved oil control

Engine Warranty**

Three year commercial engine warranty for all applications

Full Pressure Lubrication w/ Spin-On Oil Filter

Cleans oil and protects engine components to ensure maximum lubrication and long life

Centrally Located Oil Pump and Pickup

Faster priming and allows for a higher angle of operation

Oil Cooler

Reduces oil temperature, improves lubrication and extends oil change intervals

High Efficiency Head Design

Angled ports optimizes tumble and mixture preparation for improved efficiency, smoother idle, lower emissions and more power

Light Weight Piston & Ring Package

Lowers noise, vibration, oil consumption, emissions and wear

Dynamically Balanced Crankshaft

Minimizes engine noise and vibration

Low Profile Dual-Clean® Air Cleaner

Industrial Pleated paper with foam pre-cleaner for extended engine life

Mechanical Compression Release

Smooth easy starting, longer starter life and provides an instant return to maximum power

Magnetron® Electronic Ignition

Quick dependable starts with no maintenance required

Poly-Core Blower Housing

Lowers noise level and improves sound quality

Optional: EPA/CARB Certified Propane Kit

Learn More >

Cast Iron Sleeve

Withstands wear and abuse.

Magnetron® Electronic Ignition

Fast, reliable and maintenance-free starting

*All power levels are stated gross HP at 3,600 RPM per SAE J1940.
**See operator's manual or dealer for complete warranty details.


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Download the operator's manual or illustrated parts list for your Vanguard™ engine by searching your engine model number.

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Tips & Troubleshooting

Have a question? Search our Frequently Asked Questions to find answers related to model specifications, routine maintenance, repair or troubleshooting.

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Dealer Locator

World class parts delivery, industry-leading global warranties and unparalleled service & training keeps your equipment out of the shop and on the jobsite.

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Commercial Limited Warranty

Three-year commercial engine warranty for all applications. See operator's manual or dealer for complete warranty details.

Learn More >


Solenoid Shift Starter
Oil Pressure Switch
Flywheel Stub Shaft
Integrated Fuel Tank
Cyclonic Air Cleaner
CARB Compliant Purge Ports
CARB Compliant 6.95 qt. Fuel Tank (H/S Only)
EPA/CARB Certified Propane Kit from PPS
Spline Crankshaft
Key Switch (H/S Only)
Rewind Start (No engine battery needed)
Idle Down
Variable Speed Throttle
Remote Speed Option
Engine Mounted Choke and Throttle Control

Product Literature

Get more detailed information on what you can expect from Vanguard® and our Small Block V-Twin engines by downloading our literature here.

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