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 inĀ³
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