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Series 3 PowerBuilt™

Series 3 PowerBuilt™

The PowerBuilt™ line is an entry-line of engines that are value-engineered for residential needs. Featuring OHV (OverHead Valve) technology, AVS® Anti-vibration system and the simple-to-maintain design, ensure a smooth running durable and longer lasting engine.

  • Cartridge Air Cleaner

    Provides protection again airborne debris entering the engine

  • AVS® - Anti-Vibration System

    Patented linear balancing system eliminates side-to-side motion of traditional systems. Provide less vibration and smoother operation.

  • Cast Iron Sleeve

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

  • For More Information
    Visit our Glossary of Engine Terms
  • OHV Technology

    Optimized performance that delivers longer engine life and improved fuel economy

  • Magnetron® Electronic Ignition System

    Ensures maintenance free easy starting

  • Mechanical Governor

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

Engine Technology Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Model Number 21R5
Gross Torque (Nm) @ 3'600 rpm 20,78*
Displacement (cc) 344
Cylinder Cast Iron Sleeve
Bore (mm) 87,3
Stroke (mm) 57,5
Fuel Tank Capacity (l) 2,6
Oil Capacity (l) 1,4
Dry Weight (kg) 26,8
Dimensions Length (mm) 452
Dimensions Width (mm) 393
Dimensions Height (mm) 327
* 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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