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Cat® 3412C Fire Pump Specifications
Minimum Power 638.0 bhp
Minimum Power 638 BHP
Maximum Power 739.0 bhp
Maximum Power 739 BHP

Power Rating

Minimum Power
638.0 bhp
Minimum Power
638 BHP
Maximum Power
739.0 bhp
Maximum Power
739 BHP
Rated Speed
1750-2100 rpm
Rated Speed
1750-2100 rpm

Emission Standards

Emissions
Non-Certified. Available for global non-regulated areas. Not FM Approved, Not UL Listed
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
137.2 mm (5.4 in)
Stroke
152.4 mm (6.0 in)
Displacement
27 L (1648 in³)
Aspiration
Turbocharged Aftercooled (TA)
Aspiration
Turbocharged Aftercooled (TA)
Compression Ratio
14.5:1
Compression Ratio
14.5:1
Rotation (from flywheel end)
Counterclockwise
Rotation from Flywheel End
Counterclockwise

Engine Dimensions - Approximate

Height
1413.2 mm (55.6 in)
Length
1999.8 mm (78.7 in)
Weight - Approximate, Net Dry (Basic Operating Engine Without Optional Attachments)
2579 kg (5686 lb)
  • 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