Financing & Insurance
See our Current Offers
View Product Downloads
Please answer to continue. Select an option to continue. Enter a valid email address.
Yes, I would like to receive future communications from Caterpillar extended enterprise and dealer network.

Overview

The Cat® 3412C Industrial Diesel Fire Pump Engine is offered in ratings ranging from 476-551 bkW (638-739 bhp) @ 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

Units:
Minimum Power 638.0 bhp 476.0 bkW Less
Maximum Power 739.0 bhp 551.0 bkW Less
Rated Speed 1750-2100 rpm 1750-2100 rpm Less

Emission Standards

Emissions Non-Certified. Available for global non-regulated areas. Not FM Approved, Not UL Listed Non-Certified. Available for global non-regulated areas. Not FM Approved, Not UL Listed Less

General

Engine Configuration V-12, 4-Stroke-Cycle Diesel V-12, 4-Stroke-Cycle Diesel Less
Bore 137.2 mm (5.4 in) 137.2 mm (5.4 in) Less
Stroke 152.4 mm (6.0 in) 152.4 mm (6.0 in) Less
Displacement 27 L (1648 in³) 27 L (1648 in³) Less
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Less
Compression Ratio 14.5:1 14.5:1 Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

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

Emissions

Non-certified for U.S. EPA stationary emergency fire engines. Available for global non-regulated areas. Not FM Approved. Not 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

3412C 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

Cat® Dealer Service

Buy any piece of Cat® equipment and also get the full support and commitment of your local Cat Dealer.

Contact your local dealer
Financing & Insurance

You can count on Cat Financial to provide the best financial solutions, built just for you.

See our Current Offers
Engine Warranty Registration

We are committed to providing our customers with the finest products and product support available in the market today.

Register Today