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Land Mechanical Engines

Oil and gas producers have relied on Caterpillar since the industry's earliest days. For 60 years, we've powered the petroleum business on land. Now we go with it onto the ocean, hundred of miles out, thousands of feet down.

3512C (HD) Land Mechanical Drilling Engine

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.

Product Details

Engine Specifications

Minimum Rating 932 bkW
Maximum Rating 1100 bkW
Emissions U.S. EPA Non-road Tier 2
Rated Speed 1200 RPM
Bore 170 mm
Stroke 215 mm
Displacement 59 L
Aspiration Turbocharged-Aftercooled
Governor and Protection ADEM A3
Engine Weight, net dry 5423 kg
Oil Change Interval 500
Rotation (from flywheel end) Counterclockwise
Flywheel and Flywheel Housing SAE No. 00
Flywheel Teeth 183

Capacity for Liquids

Minimum Cooling System (engine only) 157 L

Dimensions

Length 2682 mm
Width 1791 mm
Height 2019 mm
  • Air Inlet System
    •  Separate circuit aftercooler core — corrosion resistant coated (airside), air cleaner (single element w/service indicator)
    •  Dual rear-mounted turbochargers
  • Separate circuit aftercooler core — corrosion resistant coated (airside), air cleaner (single element w/service indicator)
    • Dual rear-mounted turbochargers
      • Control System
        •  ADEM A3 ECU — LH
        •  Electronic fuel injector fuel system (10 amp DC power required todrive electronic engine control unit)
      • Cooling System
        •  Torque converter connections
        •  Thermostats and housing, jacket water pump, gear-drivencentrifugal
        •  Connections for radiator cooling
        •  Dual outlets: 88.9 mm O.D. (3.5 in) elbow hose connections
        •  Separate Circuit Aftercooler (SCAC)
      • Torque converter connections
        • Thermostats and housing, jacket water pump, gear-drivencentrifugal
          • Connections for radiator cooling
            • Dual outlets: 88.9 mm O.D. (3.5 in) elbow hose connections
              • Separate Circuit Aftercooler (SCAC)
                • Exhaust System
                  •  Exhaust manifold — dry, stainless steel bellows
                  •  Dual turbochargers with watercooled bearings
                  •  Exhaust outlet: 292 mm I.D. (11.5 in), 12-10.5 mm dia. holes EQ SP,376 mm bolt hole dia.
                • Flywheels and Flywheel Housing
                  •  Flywheel, SAE No. 0 — 151 teeth
                  •  Flywheel housing — SAE No. 0
                • Fuel System
                  •  Primary fuel filter
                  •  Fuel priming pump
                  •  Fuel filter — RH spin-on type
                  •  Fuel transfer pump
                  •  Electronically controlled unit injectors
                • Primary fuel filter
                  • Fuel priming pump
                    • Fuel filter — RH spin-on type
                      • Fuel transfer pump
                        • Electronically controlled unit injectors
                          • Instrumentation
                            •  Electronic instrument panel
                            •  Instrumentation readouts:
                          • Lube System
                            •  Crankcase breather — top-mounted
                            •  Oil cooler
                            •  Oil filler and dipstick — RH
                            •  Oil pump
                            •  Oil filter — RH spin-on type
                            •  Rear sump oil pan, 250-hour change interval
                            •  Oil pan drain valve — 3/4" NPT female connection
                          • Mounting System
                            •  Rails — mounting, floor type
                          • Rails — mounting, floor type
                            • Power Take-Offs
                              •  Front housing — two-sided
                            • Front housing — two-sided
                              • Protection System
                                •  ADEM A3 ECU system to provide customer-programmableengine deration strategies to protect against adverse operatingconditions
                                •  Emergency stop logic inputs provided at 40-pin customer interfaceconnection
                                •  Air inlet shutoff
                              • Starting System
                                •  Air starting motor — RH, 620 to 1034 kPa (90 to 150 psi)
                                •  Air silencer
                              • Air starting motor — RH, 620 to 1034 kPa (90 to 150 psi)
                                • Air silencer
                                  • General
                                    •  Paint — Cat yellow
                                    •  Vibration damper and guard
                                    •  Lifting eyes
                                    •  B-Series LAND
                                  • Air Inlet System
                                    •  Air cleaner and air cleaner mounting
                                    •  Remote air inlet adapters
                                    •  Air inlet heater
                                  • Air cleaner and air cleaner mounting
                                    • Remote air inlet adapters
                                      • Air inlet heater
                                        • Charging System
                                          •  Battery chargers
                                          •  Charging alternators
                                        • Battery chargers
                                          • Charging alternators
                                            • Control System
                                              •  Local speed throttle control
                                              •  Throttle position sensors
                                              •  Load sharing modules
                                              •  Governor conversion
                                            • Cooling System
                                              •  High gloss black folded core radiators
                                              •  Coolant regulator conversion
                                              •  Belt guard and radiator guard
                                              •  Blower fan
                                              •  Radiator cover
                                              •  Fan drive and fan pulleys
                                              •  Water level switch gauge
                                              •  Coolant level sensors
                                              •  Coolant conditioner
                                              •  Expansion tank
                                              •  Heat exchanger cooling conversion
                                              •  Auxiliary water pump
                                              •  Air separator
                                            • High gloss black folded core radiators
                                              • Coolant regulator conversion
                                                • Belt guard and radiator guard
                                                  • Blower fan
                                                    • Radiator cover
                                                      • Fan drive and fan pulleys
                                                        • Water level switch gauge
                                                          • Coolant level sensors
                                                            • Coolant conditioner
                                                              • Expansion tank
                                                                • Heat exchanger cooling conversion
                                                                  • Auxiliary water pump
                                                                    • Air separator
                                                                      • Exhaust System
                                                                        •  Flexible exhaust fitting
                                                                        •  Elbows and flange
                                                                        •  Flange and exhaust adapters
                                                                        •  Manifold and mufflers
                                                                      • Flexible exhaust fitting
                                                                        • Elbows and flange
                                                                          • Flange and exhaust adapters
                                                                            • Manifold and mufflers
                                                                              • Fuel Systems
                                                                                •  Flexible fuel lines
                                                                                •  Fuel cooler
                                                                                •  Water/fuel separator
                                                                                •  Fuel level switch
                                                                              • Flexible fuel lines
                                                                                • Fuel cooler
                                                                                  • Water/fuel separator
                                                                                    • Fuel level switch
                                                                                      • Instrumentation
                                                                                        •  Customer management device
                                                                                        •  Remote panel display and remote cylinder temperature display
                                                                                        •  Switches and contactors
                                                                                        •  Gauges and instrument panels
                                                                                      • Lube System
                                                                                        •  Fumes disposal
                                                                                        •  Oil pans
                                                                                        •  Prelube options
                                                                                        •  Sump pumps
                                                                                        •  Oil Filters
                                                                                      • Mounting System
                                                                                        •  Vibration isolators
                                                                                      • Power Take-Offs
                                                                                        •  Front housing
                                                                                        •  Flexible couplings
                                                                                        •  Coupling hub
                                                                                        •  Front accessory drives
                                                                                        •  Auxiliary drive shaft
                                                                                        •  Auxiliary drive pulleys
                                                                                        •  Front stub shaft
                                                                                        •  Damper guard removal
                                                                                        •  Pulleys
                                                                                        •  Flywheel stub shaft
                                                                                      • Front housing
                                                                                        • Flexible couplings
                                                                                          • Coupling hub
                                                                                            • Front accessory drives
                                                                                              • Auxiliary drive shaft
                                                                                                • Auxiliary drive pulleys
                                                                                                  • Front stub shaft
                                                                                                    • Damper guard removal
                                                                                                      • Pulleys
                                                                                                        • Flywheel stub shaft
                                                                                                          • Protection System
                                                                                                            •  Shutoffs
                                                                                                            •  Switches and contractors
                                                                                                            •  Explosion relief valve
                                                                                                            •  Sensors
                                                                                                            •  Oil pressure monitor
                                                                                                            •  Shutoff controls
                                                                                                            •  Corrosion protection
                                                                                                          • Spare Parts Kits
                                                                                                            • Starting System
                                                                                                              •  Air starting motors — electric
                                                                                                              •  Air pressure regulator
                                                                                                              •  Air silencer
                                                                                                              •  Air start controls — manual, electric
                                                                                                              •  Redundant start
                                                                                                              •  Starting aids
                                                                                                              •  Battery sets – 24V
                                                                                                              •  Battery cable and battery rack
                                                                                                            • Air starting motors — electric
                                                                                                              • Air pressure regulator
                                                                                                                • Air silencer
                                                                                                                  • Air start controls — manual, electric
                                                                                                                    • Redundant start
                                                                                                                      • Starting aids
                                                                                                                        • Battery sets – 24V
                                                                                                                          • Battery cable and battery rack

                                                                                                                            360° Exterior View

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