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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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Maximum Power 1500 HP
Maximum Torque 5259 lb-ft @ 1500 rpm
Rated Speed 1800 rpm
Minimum Power 1500 HP
Emissions U.S. EPA Tier 2 Equivalent
Engine Configuration V-12, 4-Stroke-Cycle Diesel
Bore 6.7 in
Stroke 7.5 in
Displacement 3158 in³
Aspiration Turbocharged Aftercooled
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Length 120.8 in
Width 70.3 in
Height 71.1 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 13400 lb
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