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        E Series™ Engines

        E Series Engines
        E Series Engines
        E Series Engines

        E Series™ Engines

        Reliable performance. Exceptional value.

        Ideal for smaller acreage lawns, our E Series riding mower engines are powerful, yet lightweight. Their performance-enhancing features deliver more than you’d expect, at a great value.

        • Advanced Debris Management – Helps our engines run cleaner and longer by deflecting and ejecting grass and debris, providing a longer life.
        • Anti-Vibration System® (AVS®) – Counterbalanced internal components give you a smoother ride and save wear and tear on your engine, your equipment – and you.
        • Splash Lubrication System – As the engine is running, a spinning gear with paddles slings oil on critical components for vital lubrication and reduced wear.
        • Made in the USA of US and global parts.

        344 - 500cc

        Displacement

        Gas

        Engine Fuel
        Feature

        Features

        Made in the USA

        Made in the USA of US and global parts.

        Anti-Vibration System - AVS®

        Provides a smoother ride and more comfort.

        Advanced Debris Management System

        Keeps the engine clean by deflecting and ejecting grass and debris for a longer engine life.

        Specs

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        Model Number
        21R7
        Torque (ft-lbs, gross)*
        10.5
        Engine Displacement (cc)
        344
        Number of Cylinders
        Single
        Engine Configuration
        Vertical Shaft
        OHV Engine
        true
        Length (in)
        17.8
        Width (in)
        15.5
        Height (in)
        12.9
        Weight (lbs)
        66
        Bore (in)
        3.44
        Stroke (in)
        2.26
        Engine Fuel
        Gasoline
        Fuel Tank Capacity (gal)
        0.7 (optional)
        Oil Capacity (oz)
        48
        Lubrication System
        Dura-Lube Splash Lubrication
        Oil Filter
        N/A
        Starter
        Electric Start, Recoil Optional
        Air Filter
        Cartridge Air Cleaner with Advanced Debris Management
        Muffler
        Optional
        Fuel Shutoff Valve
        Optional
        Certified Power Rating
        Download Power Curve
        Marketing Oil Capacity
        48
        Marketing Number of Cylinders
        1
        Marketing Gross Horsepower
        10.5 - 17.5
        Gross Horsepower
        10.5

        *All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
        **All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

        Model Number
        21R8
        Engine Displacement (cc)
        344
        Number of Cylinders
        Single
        Engine Configuration
        Vertical Shaft
        OHV Engine
        true
        Length (in)
        17.8
        Width (in)
        15.5
        Height (in)
        12.9
        Weight (lbs)
        66
        Bore (in)
        3.44
        Stroke (in)
        2.26
        Engine Fuel
        Gasoline
        Fuel Tank Capacity (gal)
        0.7 (optional)
        Oil Capacity (oz)
        48
        Lubrication System
        Dura-Lube Splash Lubrication
        Oil Filter
        N/A
        Starter
        Electric Start, Recoil Optional
        Air Filter
        Cartridge Air Cleaner with Advanced Debris Management
        Muffler
        Optional
        Fuel Shutoff Valve
        Optional
        Certified Power Rating
        Download Power Curve
        Marketing Oil Capacity
        48
        Marketing Number of Cylinders
        1
        Marketing Gross Horsepower
        10.5 - 17.5
        Gross Horsepower
        11.5

        *All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
        **All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

        Model Number
        31R5
        Torque (ft-lbs, gross)*
        13.5
        Engine Displacement (cc)
        500
        Number of Cylinders
        Single
        Engine Configuration
        Vertical Shaft
        OHV Engine
        true
        Length (in)
        18.9
        Width (in)
        15.5
        Height (in)
        12.9
        Weight (lbs)
        77
        Bore (in)
        3.56
        Stroke (in)
        3.06
        Engine Fuel
        Gasoline
        Fuel Tank Capacity (gal)
        N/A
        Oil Capacity (oz)
        48
        Lubrication System
        Dura-Lube Splash Lubrication
        Oil Filter
        N/A
        Starter
        Electric Start, Recoil Optional
        Air Filter
        Cartridge Air Cleaner with Advanced Debris Management
        Muffler
        Optional
        Fuel Shutoff Valve
        Optional
        Certified Power Rating
        Download Power Curve
        Marketing Oil Capacity
        48
        Marketing Number of Cylinders
        1
        Marketing Gross Horsepower
        10.5 - 17.5
        Gross Horsepower
        13.5

        *All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
        **All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

        Model Number
        31R6
        Torque (ft-lbs, gross)*
        14.5
        Engine Displacement (cc)
        500
        Number of Cylinders
        Single
        Engine Configuration
        Vertical Shaft
        OHV Engine
        true
        Length (in)
        18.9
        Width (in)
        15.5
        Height (in)
        12.9
        Weight (lbs)
        77
        Bore (in)
        3.56
        Stroke (in)
        3.06
        Engine Fuel
        Gasoline
        Fuel Tank Capacity (gal)
        N/A
        Oil Capacity (oz)
        48
        Lubrication System
        Dura-Lube Splash Lubrication
        Oil Filter
        N/A
        Starter
        Electric Start, Recoil Optional
        Air Filter
        Cartridge Air Cleaner with Advanced Debris Management
        Muffler
        Optional
        Fuel Shutoff Valve
        Optional
        Certified Power Rating
        Download Power Curve
        Marketing Oil Capacity
        48
        Marketing Number of Cylinders
        1
        Marketing Gross Horsepower
        10.5 - 17.5
        Gross Horsepower
        14.5

        *All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
        **All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

        Model Number
        31R7
        Torque (ft-lbs, gross)*
        15.5
        Engine Displacement (cc)
        500
        Number of Cylinders
        Single
        Engine Configuration
        Vertical Shaft
        OHV Engine
        true
        Length (in)
        18.9
        Width (in)
        15.5
        Height (in)
        12.9
        Weight (lbs)
        77
        Bore (in)
        3.56
        Stroke (in)
        3.06
        Engine Fuel
        Gasoline
        Fuel Tank Capacity (gal)
        N/A
        Oil Capacity (oz)
        48
        Lubrication System
        Dura-Lube Splash Lubrication
        Oil Filter
        N/A
        Starter
        Electric Start, Recoil Optional
        Air Filter
        Cartridge Air Cleaner with Advanced Debris Management
        Muffler
        Optional
        Fuel Shutoff Valve
        Optional
        Certified Power Rating
        Download Power Curve
        Marketing Oil Capacity
        48
        Marketing Number of Cylinders
        1
        Marketing Gross Horsepower
        10.5 - 17.5
        Gross Horsepower
        15.5

        *All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
        **All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

        Model Number
        31R8
        Torque (ft-lbs, gross)*
        16.5
        Engine Displacement (cc)
        500
        Number of Cylinders
        Single
        Engine Configuration
        Vertical Shaft
        OHV Engine
        true
        Length (in)
        18.9
        Width (in)
        15.5
        Height (in)
        12.9
        Weight (lbs)
        77
        Bore (in)
        3.56
        Stroke (in)
        3.06
        Engine Fuel
        Gasoline
        Fuel Tank Capacity (gal)
        N/A
        Oil Capacity (oz)
        48
        Lubrication System
        Dura-Lube Splash Lubrication
        Oil Filter
        N/A
        Starter
        Electric Start, Recoil Optional
        Air Filter
        Cartridge Air Cleaner with Advanced Debris Management
        Muffler
        Optional
        Fuel Shutoff Valve
        Optional
        Certified Power Rating
        Download Power Curve
        Marketing Oil Capacity
        48
        Marketing Number of Cylinders
        1
        Marketing Gross Horsepower
        10.5 - 17.5
        Gross Horsepower
        16.5

        *All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
        **All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

        Model Number
        31R9
        Engine Displacement (cc)
        500
        Number of Cylinders
        Single
        Engine Configuration
        Vertical Shaft
        OHV Engine
        true
        Length (in)
        18.9
        Width (in)
        15.5
        Height (in)
        12.9
        Weight (lbs)
        77
        Bore (in)
        3.56
        Stroke (in)
        3.06
        Engine Fuel
        Gasoline
        Fuel Tank Capacity (gal)
        N/A
        Oil Capacity (oz)
        48
        Lubrication System
        Dura-Lube Splash Lubrication
        Oil Filter
        N/A
        Starter
        Electric Start, Recoil Optional
        Air Filter
        Cartridge Air Cleaner with Advanced Debris Management
        Muffler
        Optional
        Fuel Shutoff Valve
        Optional
        Certified Power Rating
        Download Power Curve
        Marketing Oil Capacity
        48
        Marketing Number of Cylinders
        1
        Marketing Gross Horsepower
        10.5 - 17.5
        Gross Horsepower
        17.5

        *All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
        **All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

        Model Number
        21R7
        21R8
        31R5
        31R6
        31R7
        31R8
        31R9
        Torque (ft-lbs, gross)*
        10.5
        13.5
        14.5
        15.5
        16.5
        Engine Displacement (cc)
        344
        344
        500
        500
        500
        500
        500
        Number of Cylinders
        Single
        Single
        Single
        Single
        Single
        Single
        Single
        Engine Configuration
        Vertical Shaft
        Vertical Shaft
        Vertical Shaft
        Vertical Shaft
        Vertical Shaft
        Vertical Shaft
        Vertical Shaft
        OHV Engine
        true
        true
        true
        true
        true
        true
        true
        Length (in)
        17.8
        17.8
        18.9
        18.9
        18.9
        18.9
        18.9
        Width (in)
        15.5
        15.5
        15.5
        15.5
        15.5
        15.5
        15.5
        Height (in)
        12.9
        12.9
        12.9
        12.9
        12.9
        12.9
        12.9
        Weight (lbs)
        66
        66
        77
        77
        77
        77
        77
        Bore (in)
        3.44
        3.44
        3.56
        3.56
        3.56
        3.56
        3.56
        Stroke (in)
        2.26
        2.26
        3.06
        3.06
        3.06
        3.06
        3.06
        Engine Fuel
        Gasoline
        Gasoline
        Gasoline
        Gasoline
        Gasoline
        Gasoline
        Gasoline
        Fuel Tank Capacity (gal)
        0.7 (optional)
        0.7 (optional)
        N/A
        N/A
        N/A
        N/A
        N/A
        Oil Capacity (oz)
        48
        48
        48
        48
        48
        48
        48
        Lubrication System
        Dura-Lube Splash Lubrication
        Dura-Lube Splash Lubrication
        Dura-Lube Splash Lubrication
        Dura-Lube Splash Lubrication
        Dura-Lube Splash Lubrication
        Dura-Lube Splash Lubrication
        Dura-Lube Splash Lubrication
        Oil Filter
        N/A
        N/A
        N/A
        N/A
        N/A
        N/A
        N/A
        Starter
        Electric Start, Recoil Optional
        Electric Start, Recoil Optional
        Electric Start, Recoil Optional
        Electric Start, Recoil Optional
        Electric Start, Recoil Optional
        Electric Start, Recoil Optional
        Electric Start, Recoil Optional
        Air Filter
        Cartridge Air Cleaner with Advanced Debris Management
        Cartridge Air Cleaner with Advanced Debris Management
        Cartridge Air Cleaner with Advanced Debris Management
        Cartridge Air Cleaner with Advanced Debris Management
        Cartridge Air Cleaner with Advanced Debris Management
        Cartridge Air Cleaner with Advanced Debris Management
        Cartridge Air Cleaner with Advanced Debris Management
        Muffler
        Optional
        Optional
        Optional
        Optional
        Optional
        Optional
        Optional
        Fuel Shutoff Valve
        Optional
        Optional
        Optional
        Optional
        Optional
        Optional
        Optional
        Certified Power Rating
        Download Power Curve
        Download Power Curve
        Download Power Curve
        Download Power Curve
        Download Power Curve
        Download Power Curve
        Download Power Curve
        Marketing Oil Capacity
        48
        48
        48
        48
        48
        48
        48
        Marketing Number of Cylinders
        1
        1
        1
        1
        1
        1
        1
        Marketing Gross Horsepower
        10.5 - 17.5
        10.5 - 17.5
        10.5 - 17.5
        10.5 - 17.5
        10.5 - 17.5
        10.5 - 17.5
        10.5 - 17.5
        Gross Horsepower
        10.5
        11.5
        13.5
        14.5
        15.5
        16.5
        17.5

        *All power levels are stated gross torque at 2600 rpm per SAE J1940 as rated by Briggs & Stratton.
        **All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.

        Push Mower Engines

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