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Industrial Diesel Engines - Lesser Regulated & Non-Regulated

Cat® industrial engines are ready for your application. These engines deliver the unsurpassed reliability, durability, fuel efficiency, and low cost of ownership you have come to expect from Caterpillar. And our world-class product support will never let you down. All this adds up to a powerful advantage for you. Every Cat industrial diesel and gas engine comes with 75 years of engine experience. Our world-class product line of high-speed and medium-speed industrial engines in a wide range of applications offer power solutions for the most demanding installations and the harshest environments. With power options from 8.2 to 6,100 bkW (11 to 8,180 bhp), Cat industrial diesel and gas engines offer the widest power range in the industry.

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.

Product Details

Power Rating

Minimum Power 1120.0 bkW
Maximum Power 1120.0 bkW
Frequency 1800 rpm

Emission Standards

Emissions U.S. EPA Tier 2 Equivalent


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

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

Length 3067 mm (120.8 in)
Width 1785 mm (70.3 in)
Height 1806 mm (71.1 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 6078 kg (13,400 lb)
  • Air Inlet System
    •  Air to Air Aftercooled (ATAAC)
    •  Two turbochargers, rear mounted
  • Air to Air Aftercooled (ATAAC)
    • Two turbochargers, rear mounted
      • Control System
        •  Electronic Engine Control, RH
      • Electronic Engine Control, RH
        • Cooling System
          •  Thermostats and housing
          •  Gear driven centrifugal jacket water pump
          •  Connections for radiator cooling
        • 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
              • 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
                    • Trunnion front support
                      • Power Take Off
                        •  Front housing, two sided
                      • 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
                        Built for it