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.

3406C Fire Pump

Features

  • Reliable, Quiet and Durable Power

    World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

  • Quality

    Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.

  • World-class Product Support Offered Through Global Cat Dealer Network

    • Scheduled maintenance, including SOSSM sample
    • Customer Support Agreements (CSA)
    • Caterpillar Extended Service Coverage (ESC)
    • Superior dealer service network
    • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program
  • World-class Product Support Offered Through Global Cat Dealer Network

    • Scheduled maintenance, including SOSSM sample
    • Customer Support Agreements (CSA)
    • Caterpillar Extended Service Coverage (ESC)
    • Superior dealer service network
    • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program

Specifications

Units for specifications

Power Rating

Maximum Power 482 hp 359 kW
Rated Speed 1750-2300 rpm
Minimum Power 292 hp 218 kW

Emission Standards

Emissions Non-Certified. Available for global non-regulated areas. FM Approved, UL Listed

General

Engine Configuration Inline 6, 4-Stroke-Cycle Diesel
Bore 5.4 in 137 mm
Stroke 6.5 in 165 mm
Displacement 893 in³ 14.6 l
Compression Ratio 14.5:1
Aspiration Turbocharged Aftercooled
Rotation from Flywheel End Counterclockwise
Aftertreatment -

Engine Dimensions - Approximate

Length 65.4 in 1660 mm
Height 52.6 in 1335 mm

Standard Equipment

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