VANGUARD™ 25-31 Gross HP

commercial engine

Models in this Series

VANGUARD™ 25-31 Gross HP

The premium VANGUARD™ V-Twin horizontal engine range has been designed and application engineered to deliver the most durable performance. The premium engine range offers a full 3-Year limited global warranty for commercial use which demonstrates our commitment to deliver the best performing products. For terms and conditions please visit
  • Centrifugal Multi-Stage Air Cleaner

    Provides maximum protection against airborne debris entering the engine

  • Cast Iron Sleeve

    Adds integrity and durability that withstand wear and abuse while providing improved oil control.

  • OHV Technology

    Optimized performance that delivers longer engine life and improved fuel economy

  • Full Pressure Lubrication with Oil Filter

    Is similar to an automotive engine that continuously delivers oil under pressure to critical engine components for maximum lubrication and long engine life.

  • Mechanical Governor

    Controls the engine speed to deliver more usable power under heavy usage

  • Stronger Forged Crankshaft and Cast Iron Camshaft

    Provides added durability

  • High Radial Load PTO Bearings

    Provides extra durability and extends engine life

  • Float Feed Carburetor

    Optimized fuel delivery for improved startability and superior performance

  • High Oil Fill Tube

    Allows for easier maintenance

  • Higher Torque

    Provides more power resulting in improved equipment productivity

  • Magnetron® Electronic Ignition System

    Ensures maintenance free easy starting

  • Optional Dual Element Air Cleaner

    For added protection against airborne debris

  • Twin Cylinders

    V-Twin engine design provides better ballance and allows for increased power.

  • For More Information
    Visit our Glossary of Engine Terms

Engine Technology V-Twin, 4-stroke, air-cooled, OHV (Overhead Valve)
Model Number 5404
Gross Power HP (kW) @ 3’600 rpm 25,0** [18,6]
Displacement (cc) 896
Cylinder Cast Iron Sleeve
Bore (mm) 85,5
Stroke (mm) 78,0
Oil Capacity (l) 2,3
Dry Weight (kg) 56,8
Dimensions Length (mm) 379
Dimensions Width (mm) 496
Dimensions Height (mm) 725
* Power levels are stated gross torque per SAE J1940 as rated by Briggs & Stratton. 

** Power levels are stated gross power (horsepower) per SAE J1940 as rated by Briggs & Stratton.


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