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Professional Series™ (Single Cylinder)

15.50-19.00 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 this mower engine is 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.

  • Lawn Mower Engine Torque

    Cubic centimeters (cc) only measure the size of the engine on your lawn mower or outdoor power equipment. Torque measures the power that rotates the blade. Maximize your mowing power.

  • Advanced Debris Lawn Mower Filter
    Advanced Debris Management System

    Keeps your engine clean by deflecting most debris like micro grass clippings & lawn debris and filtering the rest.

  • Dura-Bore™ Cast Iron Sleeve

    Withstands wear and abuse.

  • Full Pressure Lube System

    Cooler operation and longer life.

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

  • Avoid Lawn Mower Engine Damage

    Look Before you pump fuel into your lawn mower and help avoid engine damage. Do not use any fuel containing greater than 10 percent ethanol (E10) in the engine on your outdoor power equipment.

  • 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

HP** (gross) 15.50
Engine Displacement (cc) 500
Number of Cylinders Single
Engine Configuration Vertical Shaft
Engine Technology OHV
Length (in) 18.9
Width (in) 16.2
Height (in) 12.9
Weight (lbs) 77.0
Bore (in) 3.56
Stroke (in) 3.06
Engine Fuel Gasoline
Fuel Tank Capacity (gallons) N/A
Lubrication System Full Pressure Lubrication
Oil Capacity (oz) 48
Oil Filter Premium
Starter Electric Start
Air Filter Dual Element Cartridge with Advanced Debris Management
Muffler Super Lo-Tone
Fuel Shutoff Valve Optional

*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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