20.0 Gross HP*

  • 656cc

  • 5-Step Debris Management System

  • 3-Year Commercial Engine Warranty***

Horsepower (HP)

20

Displacement (cc)

656

No. of Cylinders

2

Fuel Type

Gas

Features

Best-in-Class Debris Management

Patented 5-step cyclonic debris management system keeps harmful debris out of the engine, even under heavy-debris conditions.

 

High Efficiency Head Design

Stay productive even in the toughest conditions. Angled ports optimize tumble and mixture preparation for improved efficiency, smoother idle, lower emissions and more power.

 

Oil Cooler

Experience smoother engine performance and greater convenience with oil that is kept at an optimal temperature, ensuring better lubrication and extended oil change intervals.

Vanguard Service and Support

Vanguard superior support solutions minimizes downtime with 24/7 U.S based technical support and industry-leading 3-year global commercial limited engine warranty***.

Specifications

  20.0 Gross HP*
Model Number 40T8
HP (Gross)* 20.0
Engine Displacement (cc) 656
Engine Configuration Vertical
Bore (in) 2.97
Stroke (in) 2.89
Oil Capacity (oz) 64
Compression Ratio 8.5:1
Air Cleaner Integral Cyclonic Air Filter
Ignition System Magnetron® Electronic Ignition
Lubrication System Full Pressure Lubrication with Oil Filter
Length (in) 19.3
Width (in) 17.6
Height (in) 15.7
Weight (lbs) 82.0
Certified Power Rating Download Power Curve
Commercial Engine Warranty** 3-Year Limited
Operator's Manuals

*All power levels are stated gross HP at 3,600 RPM per SAE J1940.

**See operator's manual or dealer for complete warranty details.

***Three-year commercial limited warranty applies to engines manufactured after June 30, 2017.

Support

Manuals

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

Find Manuals >

Tips & Troubleshooting

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

Search FAQs >

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.

Find a Dealer >

Commercial Limited Warranty

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

Learn More >

Options Available:
Alternators (9 16 amp)
Oil Pressure Switch
Straight Keyed Cranks (1" & 1-1/8" Diameters)
Flexible Oil Drain Extension
Exhaust Mounting Studs
CARB Compliant EVAP Purge Ports
Pre-filter
Recoil starter
Dynamically balanced flywheel (recoil only)
High Flow Static Cover
EPA/CARB Certified Propane Kit from PPS

Product Literature

Learn more about Briggs & Stratton® CXi Series V-twin engines by downloading our literature here.