Cat® 3406C Fire Pump Engine

The Cat® 3406C Industrial Diesel Fire Pump Engine is offered in ratings ranging from 218-359 kW (292-482 hp) @ 1750-2300 rpm. These ratings are non-certified and available for global non-regulated areas. They are FM Approved and UL Listed. Additional 3406C ratings with or without radiators are available, but not FM approved or 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.

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Maximum Power 482 HP
Rated Speed 1750-2300 rpm
Minimum Power 292 HP
Emissions Non-Certified. Available for global non-regulated areas. FM Approved, UL Listed
Engine Configuration Inline 6, 4-Stroke-Cycle Diesel
Bore 5.4 in
Stroke 6.5 in
Displacement 893 in³
Compression Ratio 14.5:1
Aspiration Turbocharged Aftercooled
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Length 65.4 in
Height 52.6 in
Air Inlet System
  • Dry or watercooled manifold and turbocharger
Charging System
  • Charging Alternator, 24 volt, 35 amp
Control System
  • Hydra-mechanical governor
Cooling System
  • Thermostats and housing
  • Jacket water pump, gear driven, centrifugal
  • Heat exchanger
  • Expansion tank
  • FM Required Raw Water Cooling Loops: 1.5" iron, horizontal or vertical, 1.5" 316 stainless steel, horizontal or vertical
  • Optional Radiator, not UL listed or FM approved
Exhaust System
  • Exhaust manifold, water-cooled (wet) or dry
  • Exhaust elbow, dry, 152 mm (6 in), 4 bolt flange
Flywheels and Flywheel Housing
  • SAE No. 1 flywheel
  • SAE No. 1 flywheel housing
  • SAE standard rotation
Fuel System
  • Fuel filter, LH
  • Fuel transfer pump
  • Primary fuel filter / water separator
Instrumentation
  • Instrument panel, LH
  • Engine oil pressure gauge
  • Fuel pressure gauge
  • Water temperature gauge
  • Service meter
Lube System
  • Crankcase breather
  • Oil cooler
  • Lube oil filter
  • Oil filler in valve cover and dipstick, both RH
  • Rear sump oil pan
  • Oil filler in valve cover
  • Dipstick
Mounting System
  • Supports
Power Take-Offs
  • 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)
General
  • Vibration damper and guard
  • Lifting eyes
  • Paint - fire pump red, optional radiator painted black