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Overview

The Cat® 3406C Industrial Diesel Fire Pump Engine is offered in ratings ranging from 218-359 bkW (292-482 bhp) @ 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.

Power Rating

Units:
Minimum Power 292.0 bhp 218.0 bkW Less
Maximum Power 482.0 bhp 359.0 bkW Less
Rated Speed 1750-2300 rpm 1750-2300 rpm Less

Emission Standards

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

General

Engine Configuration Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel Less
Bore 137.2 mm (5.4 in) 137.2 mm (5.4 in) Less
Stroke 165.1 mm (6.5 in) 165.1 mm (6.5 in) Less
Displacement 14.6 L (893 in³) 14.6 L (893 in³) Less
Aspiration Turbocharged Aftercooled Turbocharged Aftercooled Less
Compression Ratio 14.5:1 14.5:1 Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less
Cooling System Capacity 32.2 L (34 qt) 32.2 L (34 qt) Less
Lube System (refill) 34.1 L (36 qt) 34.1 L (36 qt) Less

Emissions

Non-certified for U.S. EPA stationary emergency fire engines. Available for global non-regulated areas. FM Approved. UL Listed. Additional 3406C ratings with or without radiators are available, but not FM approved or UL listed.

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 S•O•SSM 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

3406C 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, 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

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