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Cat® 3406C Fire Pump Engine
Diesel Fire Pumps
Cat® 3412C Fire Pump 
Cat® 3512 Fire Pump 
Cat® C18 Diesel Fire Pump Overview
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.
- Reliable, Quiet and Durable Power
- Quality
- World-class Product Support Offered Through Global Cat Dealer Network
- World-class Product Support Offered Through Global Cat Dealer Network
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
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
Power Rating
- Minimum Power
- 292.0bhp
- Maximum Power
- 482.0bhp
- Rated Speed
- 1750-2300 rpm
- Minimum Power
- 292HP
- Maximum Power
- 482HP
- Rated Speed
- 1750-2300 rpm
Emission Standards
- Emissions
- Non-Certified. Available for global non-regulated areas. FM Approved, UL Listed
- Emissions
- Non-Certified. Available for global non-regulated areas. FM Approved, UL Listed
General
- Aspiration
- Turbocharged Aftercooled
- Compression Ratio
- 14.5:1
- Rotation (from flywheel end)
- Counterclockwise
- Engine Configuration
- Inline 6, 4-Stroke-Cycle Diesel
- Bore
- 137.2 mm (5.4 in)
- Stroke
- 165.1 mm (6.5 in)
- Displacement
- 14.6 L (893 in³)
- Cooling System - Capacity
- 32.2 L (34 qt)
- Lube System - Refill
- 34.1 L (36 qt)
- Aftertreatment
- -
- Aspiration
- Turbocharged Aftercooled
- Compression Ratio
- 14.5:1
- Rotation from Flywheel End
- Counterclockwise
- Bore
- 5.4in
- Stroke
- 6.5in
- Displacement
- 893in³
Engine Dimensions - Approximate
- Length
- 65.4in
- Height
- 52.6in
Standard/Optional Features
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
Optional Equipment:
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3406C Diesel Fire Pumps
- Engine Configuration
- Inline 6, 4-Stroke-Cycle Diesel
- Maximum Power
- 482.0 bhp
- Rated Speed
- 1750-2300 rpm
3406C Diesel Fire Pumps
- Engine Configuration
- Inline 6, 4-Stroke-Cycle Diesel
- Maximum Power
- 482.0 bhp
- Rated Speed
- 1750-2300 rpm
C18 Diesel Fire Pumps
- Engine Configuration
- Inline 6, 4-Stroke-Cycle Diesel
- Maximum Power
- 800.0 bhp
- Rated Speed
- 1500-2100 rpm