Quiet Power Technology™ Series

6.75-8.75 Gross Torque

Briggs & Stratton’s Quiet Power Technology™ (QPT®) is up to 65 percent quieter* so you can have a conversation and take care of yard work earlier in the day or later in the evening. This quiet engine also doubles as an easy start lawn mower equipped with the Briggs & Stratton ReadyStart® Starting System. No prime and no choke — just pull for power! Strong, durable, cleaner running and our quietest lawn mower engine yet. New for 2016: Optional feature includes Just Check & Add™, never change the oil, and up to 60% quieter!

  • See how easy engine starting can be. No prime, no choke–just pull for power.

  • Dual-Sealing Commercial-Grade Air Management System

    Reduces harmful yard debris.

  • 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.

  • 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.

  • Super Lo-Tone™ Engine Muffler

    A quieter lawn mowing experience.

  • Have a question? Search our FAQs to find answers related to model specifications, routine maintenance, repair or troubleshooting. Search FAQs »

  • Find genuine Briggs & Stratton repair and/or maintenance parts for your engine or outdoor power equipment to ensure future performance. Purchase Parts »

Torque* 6.75
Engine Displacement (cc) 163
Number of Cylinders Single
Engine Configuration Vertical Shaft
Engine Technology OHV
Length (in) 13.8
Width (in) 12.5
Height (in) 10
Weight (lbs) 18.8
Bore (in) 2.69
Stroke (in) 1.75
Engine Fuel Gasoline
Fuel Tank Capacity (gallons) 0.27
Lubrication System Dura-Lube Splash Lubrication
Oil Capacity (oz) 15
Oil Filter N/A
Starter ReadyStart®
Air Filter Dual-Sealing Paper Element
Muffler QPT® Performance Muffler
Fuel Shutoff Valve N/A
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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