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3512C (HD) Land Mechanical Drilling Engine
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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.

Specifications
Standard Equipment

Engine Specifications

Minimum Rating
1250 bhp
Maximum Rating
1475 bhp
Emissions
U.S. EPA Non-road Tier 2
Rated Speed
1200 RPM
Bore
6.69 in
Stroke
8.46 in
Displacement
3574 in3
Aspiration
Turbocharged-Aftercooled
Governor and Protection
ADEM A3
Engine Weight, net dry
11945 lb
Oil Change Interval
500
Rotation (from flywheel end)
Counterclockwise
Flywheel and Flywheel Housing
SAE No. 00
Flywheel Teeth
183

Dimensions

Length
105.6 in
Width
70.5 in
Height
79.5 in

Capacity for Liquids

Minimum Cooling System (engine only)
41 gal
  • Air Inlet System
  • Control System
  • Cooling System
  • Exhaust System
  • Flywheels and Flywheel Housing
  • Fuel System
  • Instrumentation
  • Lube System
  • Mounting System
  • Power Take-Offs
  • Protection System
  • Starting System
  • General