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    Intek™ (Single Cylinder)

    Intek Single Cylinder

    Intek™ (Single Cylinder)

    Discover a new standard in reliability. The powerful Intek™ Series riding mower engines deliver superior performance and durability.

    11.5 - 15.5

    Gross Horsepower (HP)

    344 - 500

    Displacement (cc)

    1.4

    Oil Capacity (L)

    2 Years

    Warranty
    Feature

    Features

    Intek Series™ Riding Mower Engine

    More durable. More efficient. More powerful. Mows the lawn and lasts long.

    Advanced Debris Management System

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

    Anti-Vibration System - AVS®

    Provides a smoother ride and more comfort.

    No Prime, No Choke

    1-Step Start, just pull for power.

    Specifications

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    Model Number
    21R8
    Gross Horsepower (ft-lbs)*
    11.5
    Displacement (cc)
    344
    Cylinder Type
    Cast Iron Sleeve
    Engine Description
    Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
    Length (in)
    452
    Width (in)
    393
    Height (in)
    327
    Weight (kg)
    26.8
    Bore (mm)
    87.3
    Stroke (mm)
    57.5
    Oil Capacity (L)
    1.4
    Fuel Tank Capacity
    2.6 (optional)

    *Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs & Stratton.
    †See briggsandstratton.com for warranty details.

    Model Number
    31R5
    Gross Horsepower (ft-lbs)*
    13.5
    Displacement (cc)
    500
    Cylinder Type
    Cast Iron Sleeve
    Engine Description
    Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
    Length (in)
    479
    Width (in)
    393
    Height (in)
    327
    Weight (kg)
    29.5
    Bore (mm)
    90.5
    Stroke (mm)
    77.8
    Oil Capacity (L)
    1.4
    Fuel Tank Capacity
    2.6 (optional)

    *Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs & Stratton.
    †See briggsandstratton.com for warranty details.

    Model Number
    31R7
    Gross Horsepower (ft-lbs)*
    15.5
    Displacement (cc)
    500
    Cylinder Type
    Cast Iron Sleeve
    Engine Description
    Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
    Length (in)
    479
    Width (in)
    393
    Height (in)
    327
    Weight (kg)
    29.5
    Bore (mm)
    90.5
    Stroke (mm)
    77.8
    Oil Capacity (L)
    1.4
    Fuel Tank Capacity
    N/A

    *Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs & Stratton.
    †See briggsandstratton.com for warranty details.

    Model Number
    21R8
    31R5
    31R7
    Gross Horsepower (ft-lbs)*
    11.5
    13.5
    15.5
    Displacement (cc)
    344
    500
    500
    Cylinder Type
    Cast Iron Sleeve
    Cast Iron Sleeve
    Cast Iron Sleeve
    Engine Description
    Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
    Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
    Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
    Length (in)
    452
    479
    479
    Width (in)
    393
    393
    393
    Height (in)
    327
    327
    327
    Weight (kg)
    26.8
    29.5
    29.5
    Bore (mm)
    87.3
    90.5
    90.5
    Stroke (mm)
    57.5
    77.8
    77.8
    Oil Capacity (L)
    1.4
    1.4
    1.4
    Fuel Tank Capacity
    2.6 (optional)
    2.6 (optional)
    N/A

    *Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs & Stratton.
    †See briggsandstratton.com for warranty details.

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