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    4000EX Series™

    4000EX Series

    4000EX Series™

    Efficient and durable performance.

    The 4000EX Series™ line is a mid-market engine range that delivers consistent and reliable power which ensures superior performance and durability. Utilizing Over Head Valve (OHV) technology, AVS® Anti-Vibration System provides a durable and smooth running engine.

    26,71-34,62

    Gross Torque (Nm)

    500

    Displacement (cc)

    OHV

    Engine Type

    Single

    No. of Cylinders
    Feature

    Features

    Optional: Automotive-Style Starting

    The starting system ensures electric start at any temperature. Starts as consistently as your car. Electronic Fuel Management (EFM) ensures starting at any temperature from -28 to 50°C. ReadyStart® ensures an automotive-style starting at temperatures from 0 to 49°C.

    Advanced Air Filtration

    The high capacity air cleaner protects the engine from dirt and debris for longer engine life.

    Less Vibration

    AVS® Anti-Vibration System for lower engine vibration, smooth and comfortable ride. With less vibration, there is less wear and tear for an extended equipment life.

    Reduces wear and extends engine life

    The Full Pressure Lubrication with Oil Filter keeps the engine clean for a longer life. Delivers oil under pressure to critical engine components for maximum lubrication as well as reduces wear.

    Durable Cast Iron Sleeve

    Withstands wear and abuse for extended durability. Improved oil control ensures less waste.

    For More Information

    Visit our Glossary of Engine Terms

    Specifications

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    Engine Technology
    Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
    Model Number
    31R5
    Gross Torque* (Nm) @ 3'600 rpm
    26,71
    Displacement (cc)
    500
    Cylinder
    Cast Iron sleeve
    Bore (mm)
    90,5
    Stroke (mm)
    77,8
    Oil Capacity (l)
    1,4
    Fuel Tank Capacity (l)
    NA
    Dry Weight (kg)
    28,1
    Dimensions Length (mm)
    479
    Dimensions Width (mm)
    393
    Dimensions Height (mm)
    327
    Certified Power Rating
    Download Power Curve

    * Power levels are stated gross torque per SAE J1940 as rated by Briggs & Stratton.

    Engine Technology
    Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
    Model Number
    31R7
    Gross Torque* (Nm) @ 3'600 rpm
    30,66
    Displacement (cc)
    500
    Cylinder
    Cast Iron sleeve
    Bore (mm)
    90,5
    Stroke (mm)
    77,8
    Oil Capacity (l)
    1,4
    Fuel Tank Capacity (l)
    NA
    Dry Weight (kg)
    28,1
    Dimensions Length (mm)
    479
    Dimensions Width (mm)
    393
    Dimensions Height (mm)
    327
    Certified Power Rating
    Download Power Curve

    * Power levels are stated gross torque per SAE J1940 as rated by Briggs & Stratton.

    Engine Technology
    Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
    Model Number
    31R9
    Gross Torque* (Nm) @ 3'600 rpm
    34,62
    Displacement (cc)
    500
    Cylinder
    Cast Iron sleeve
    Bore (mm)
    90,5
    Stroke (mm)
    77,8
    Oil Capacity (l)
    1,4
    Fuel Tank Capacity (l)
    NA
    Dry Weight (kg)
    28,1
    Dimensions Length (mm)
    479
    Dimensions Width (mm)
    393
    Dimensions Height (mm)
    327
    Certified Power Rating
    Download Power Curve

    * Power levels are stated gross torque per SAE J1940 as rated by Briggs & Stratton.

    Engine Technology
    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)
    Model Number
    31R5
    31R7
    31R9
    Gross Torque* (Nm) @ 3'600 rpm
    26,71
    30,66
    34,62
    Displacement (cc)
    500
    500
    500
    Cylinder
    Cast Iron sleeve
    Cast Iron sleeve
    Cast Iron sleeve
    Bore (mm)
    90,5
    90,5
    90,5
    Stroke (mm)
    77,8
    77,8
    77,8
    Oil Capacity (l)
    1,4
    1,4
    1,4
    Fuel Tank Capacity (l)
    NA
    NA
    NA
    Dry Weight (kg)
    28,1
    28,1
    28,1
    Dimensions Length (mm)
    479
    479
    479
    Dimensions Width (mm)
    393
    393
    393
    Dimensions Height (mm)
    327
    327
    327
    Certified Power Rating
    Download Power Curve
    Download Power Curve
    Download Power Curve

    * Power levels are stated gross torque per SAE J1940 as rated by Briggs & Stratton.

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