New CAT Equipment

3512 Land Mechanical Drilling Engine

Cat 3512 engines set the standard in the drilling industry. For many years the 3500 has been the preferred choice by drillers due to their high performance, durability, and reliability in the oilfield.The ideal application for the 3512 engine is mechanical drive for land drilling rigs.3512 engines, with ratings: 761-1342 bkW (1020-1800 bhp) @ 1200-1900 rpm. Not emissions certified, available for non-regulated areas.

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    Product Specs

    Engine Specifications

    Minimum Rating 1020 BHP
    Maximum Rating 1800 BHP
    Emissions Non-certified
    Rated Speed 1800 r/min
    Bore 6.69 in
    Stroke 7.48 in
    Displacement 3158 in³
    Aspiration Turbocharged-Aftercooled
    Governor and Protection W3161
    Engine Weight - Net Dry 11462 lb
    Rotation from Flywheel End Counterclockwise
    Oil Change Interval 500
    Flywheel and Flywheel Housing SAE No. 00
    Flywheel Teeth 183

    Capacity for Liquids

    Minimum Cooling System - Engine Only 41 gal (US)


    Length 105.3 in
    Width 67 in
    Height 67.7 in