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3512C (HD) Land Mechanical Drilling Engine

3512C (HD) Land Mechanical Drilling Engine

At a Glance

Minimum Rating
1250 BHP
Maximum Rating
1475 BHP
U.S. EPA Non-road Tier 2
Rated Speed
1200 r/min
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Cat 3512C (HD) 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 while maintaining low emissions.The ideal application for the 3512C (HD) engine is mechanical drive for land drilling rigs.3512C (HD) engines, with ratings: 932-1100 bkW (1250-1475 bhp) @ 1200 rpm meet U.S. EPA Non-road Tier 2 equivalent and CARB Tier 2 equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

Engine Specifications

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Minimum Rating 1250BHP
Maximum Rating 1475BHP
Emissions U.S. EPA Non-road Tier 2
Rated Speed 1200r/min
Bore 6.69in
Stroke 8.46in
Displacement 3574in³
Aspiration Turbocharged-Aftercooled
Governor and Protection ADEM A3
Engine Weight - Net Dry 11945lb
Oil Change Interval 500
Rotation from Flywheel End Counterclockwise
Flywheel and Flywheel Housing SAE No. 00
Flywheel Teeth 183

Capacity for Liquids

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Minimum Cooling System - Engine Only 41gal (US)


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Length 105.6in
Width 70.5in
Height 79.5in