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Fire Pump 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.

3412 Offshore Production Engine

Cat 3412 Industrial Diesel Fire Pump Engine. Ratings: 476-551 bkW (638-739 bhp) @ 1750-2100 rpm are non-certified. Available for global non-regulated areas. FM Approved, UL Listed.

Product Details

Engine Specifications

Minimum Rating 476 bkW
Maximum Rating 551 bkW
Emissions Non-certified
Bore 137 mm
Stroke 152 mm
Displacement 27 L
Aspiration Turbocharged Aftercooled
Engine Weight, net dry 2730 kg
Oil Change Interval 250 hr
Rotation (from flywheel end) Counterclockwise
Flywheel and Flywheel Housing SAE No. 0
Flywheel Teeth 151

Capacity for Liquids

Lube Oil System (refill) 139 L
Cooling System (engine only) 58 L

Dimensions

Length 1980 mm
Width 1300 mm
Height 1285 mm
  • Air Inlet System
    •  Air cleaner, regular duty with service indicators
    •  Turbocharged
  • Air cleaner, regular duty with service indicators
    • Turbocharged
      • Cooling System
        •  Thermostats and housing
        •  Jacket water pump, centrifugal
        •  Heat exchanger installed
        •  Expansion tank
      • Thermostats and housing
        • Jacket water pump, centrifugal
          • Heat exchanger installed
            • Expansion tank
              • Control System
                •  Charging alternator 24 volt, 35 amp
                •  Governor control
                •  Hydra-mechanical governor
              • Exhaust System
                •  Exhaust manifold
                •  Exhaust elbow, dry. 203 mm (8 in) on all Turbocharged engines and Turbocharged Aftercooled with wet exhaust. 152 mm (6 in) on Turbocharged Aftercooled with dry manifolds.
              • Exhaust manifold
                • Exhaust elbow, dry. 203 mm (8 in) on all Turbocharged engines and Turbocharged Aftercooled with wet exhaust. 152 mm (6 in) on Turbocharged Aftercooled with dry manifolds.
                  • Flywheels & Flywheel Housings
                    •  SAE No. 0 flywheel
                    •  SAE No. 0 flywheel housing
                    •  SAE standard rotation
                  • Fuel System
                    •  Fuel filter
                    •  Fuel transfer pump
                    •  Primary fuel filter
                    •  Fuel priming pump
                  • Instrumentation
                    •  Instrument panel, LH
                    •  Engine oil pressure gauge
                    •  Fuel pressure gauge
                    •  Water temperature gauge
                    •  Tachometer
                  • Lube System
                    •  Crankcase breather, top mounted
                    •  Oil cooler
                    •  Oil filler in valve cover and dipstick, both RH
                    •  Lube oil filter
                    •  Rear sump oil pan
                  • Mounting System
                    •  Supports
                  • Supports
                    • Power Take Off
                      •  Power take-off (PTO) flywheel stub shaft
                    • Protection System
                      •  Stop-Start System, automatic (compatible with NFPA 20 requirements, able to be energized from either of two battery sources and capable of manual starter actuation)
                    • Stop-Start System, automatic (compatible with NFPA 20 requirements, able to be energized from either of two battery sources and capable of manual starter actuation)
                      • Starting System
                        •  24 volt, LH electric starting motor
                        •  Jacket water heater (6 kW, 240-480 volt)
                      • General
                        •  Paint: Firepump Red
                        •  Vibration damper and guard
                        •  Lifting eyes
                      Built for it