Cat® 3512C Industrial Diesel Engine

Cat® 3512C Industrial Diesel Engine

The Cat® 3512C Industrial Diesel Engine is offered in the following rating: 1120 bkW (1500 bhp) @ 1800 rpm. This rating is U.S. EPA Tier 2 equivalent. Industries and applications powered by 3512C engines include Bore/Drill Rigs, Chippers/Grinders, Construction, Cranes, Dredgers, Forestry, General Industrial, Material Handling, Mining, Mobile Earthmoving Equipment, Pumps, Shovels/Draglines, Surface Hauling Equipment and Trenchers.

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Power Rating

Minimum Power
Maximum Power
Rated Speeds
1800 rpm

Emission Standards

U.S. EPA Tier 2 Equivalent


Engine Configuration
V-12, 4-Stroke-Cycle Diesel
170 mm (6.7 in)
190 mm (7.5 in)
51.8 L (3158 in³)
Turbocharged Aftercooled
Rotation (from flywheel end)

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

3067 mm (120.8 in)
1785 mm (70.3 in)
1806 mm (71.1 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments)
6078 kg (13,400 lb)

Standard Equipment

  • Air Inlet System
    • Air to Air Aftercooled (ATAAC)
    • Two turbochargers, rear mounted
  • Control System
    • Electronic Engine Control, RH
  • Cooling System
    • Thermostats and housing
    • Gear driven centrifugal jacket water pump
    • Connections for radiator cooling
  • Exhaust System
    • Exhaust manifold, dry
    • Two turbochargers with watercooled bearings
    • Two exhaust outlets, 203 mm (8 in) round flange
  • Flywheels And Flywheel Housing
    • SAE No. 00 flywheel (183 teeth)
    • SAE No. 00 flywheel housing
  • Fuel System
    • Fuel filter, LH spin-on type
    • Fuel transfer pump
    • Electronically controlled unit injectors
  • Instrumentation
    • No standard instrument or gauge panel
  • Lube System
    • Crankcase breather, top mounted
    • Oil cooler
    • Oil filler and dipstick, LH
    • Oil pump
    • Oil filter, LH, spin-on type
    • Oil pan
  • Mounting System
    • Trunnion front support
  • Power Take Off
    • Front housing, two sided
  • Protection System
    • ECM monitoring system to provide customer programmable engine
    • Deration strategies to protect against adverse operating conditions
    • Emergency stop logic inputs provided at 40 pin customer interface connection
  • Starting System
    • Dual 24V electric starting motor
  • General
    • Vibration damper
    • Lifting eyes
    • Paint: Caterpillar yellow