3412C

Maximum Power
739 HP / 551 kW
Minimum Power
638 HP / 476 kW
Bore
5.4 in / 137 mm

The Cat® 3412C Industrial Diesel Fire Pump Engine is offered in ratings ranging from 476-551 kW (638-739 hp) @ 1750-2100 rpm. These ratings are non-certified and are available for global non-regulated areas. They are not FM Approved and not UL Listed. Starting on demand is a must for a fire pump engine - always. Cat® fire pump engines have a reputation for reliable starts and long efficient service.

Power Rating
Maximum Power 739 HP / 551 kW
Rated Speed 1750-2100 rpm
Minimum Power 638 HP / 476 kW
Emission Standards
Emissions Non-Certified. Available for global non-regulated areas. Not FM Approved, Not UL Listed
General
Engine Configuration V-12, 4-Stroke-Cycle Diesel
Bore 5.4 in / 137 mm
Stroke 6 in / 152 mm
Displacement 1648 in³ / 27 l
Compression Ratio 14.5:1
Aspiration Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Engine Dimensions - Approximate
Length 78.7 in / 2000 mm
Height 55.6 in / 1413 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 5686 lb / 2579 kg

Standard Equipment

  • Air Inlet System
    • Air cleaner, regular duty with service indicators
    • Turbocharged
  • Cooling System
    • 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.
  • 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
  • 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)
  • 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
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