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Professional Series™ (V-Twin)

18.00-25.00 Gross Horsepower

World-class performance – time after time. With commercial-grade power, easy starting and quiet operation, the Professional Series riding mower engine delivers great results for your toughest jobs. And it keeps delivering, because these Briggs & Stratton mower engines are built to last with our exclusive Advanced Debris Management System, chrome-plated exhaust valves and other durable features.

  • Single cylinder and V-twin engines offer the best of both worlds: world-class endurance and power.

  • Safeguards engines against ethanol problems and maintains fuel stability for up to 3 years.

  • Advanced Debris Management System

    Keeps your engine clean by deflecting most debris and filtering the rest

  • Dura-Bore™ Cast Iron Sleeve

    Withstands wear and abuse.

  • Full Pressure Lube System

    Cooler operation and longer life.

  • Avoid Ethanol Damage to Lawn Mower: Look Before You Pump

    Look Before you pump and help avoid engine damage. Do not use any fuel containing greater than 10 percent ethanol (E10) in the equipment.

  • Briggs & Stratton Warranty & Engine Starting Promise

    Starts in 2 pulls – or we'll fix it for free.*

  • Engine Torque

    Cubic centimeters (cc) only measure the size of the engine. Torque measures the power that rotates the blade. Maximize your mowing power.

  • Briggs & Stratton OHV Engine Design
    Overhead Valve (OHV) Engine Design

    OHV engines run cooler and cleaner for better fuel economy and longer engine life.

  • Tool-less Air Cleaner Cover

    Easy access for filter changes

Engine Displacement (cc) 656
Number of Cylinders V-Twin
Engine Configuration Vertical Shaft
Engine Technology OHV
Length (in) 19.1
Width (in) 18.7
Height (in) 14.3
Weight (lbs) 84.0
Bore (in) 2.97
Stroke (in) 2.89
Engine Fuel Gasoline
Fuel Tank Capacity (gallons) N/A
Lubrication System Full Pressure Lubrication
Oil Capacity (oz) 64
Oil Filter Premium
Starter Electric Start
Air Filter Dual Element Cartridge with Advanced Debris Management
Muffler No
Fuel Shutoff Valve Optional
Certified Power Rating

*All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

*All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.

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