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Cat?� C18 Diesel Fire Pump

Cat?� C18 Diesel Fire Pump

Cat?� C18 Fire Pump Engines, with ratings: 447-597 kW (600-800 hp)@ 1750-2100 rpm, meet U.S. EPA Tier 3 or U.S. EPA Tier 2 emission standards for stationary emergency fire pump engines. Rating: 522 kW (700 hp) @ 1500 rpm is Non-certified. All ratings are FM Approved and 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. The C18 is the newest addition to the Cat fire pump engine line and continues the strong legacy of dependable starts and long, durable life.

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Maximum Power800HP

Rated Speed1500-2100 rpm

Minimum Power600HP

EmissionsU.S. EPA Tier 3, Tier 2 or Non-certified emission standards for stationary emergency fire pump engines. FM Approved, UL Listed

Engine ConfigurationInline 6, 4-Stroke-Cycle Diesel




Compression Ratio16.3:1

AspirationTurbocharged Aftercooled (TA)

Rotation from Flywheel EndCounterclockwise





Weight - Net Dry - Basic Operating Engine Without Optional Attachments4306lb


Dual turbocharger: front and rear inlet (5.0 in)

Separate Circuit Aftercooled (SCAC)

Optional Air Cleaner - dual element, installed


Charging alternator 24 volt, 50 amp


Dual Electronic Control Units (ECU), primary and secondary with auto switching capability

Electronic governing, PTO speed control

Cold mode start strategy

Automatic altitude compensation

Power compensation for fuel temperature

Programmable low and high idle and top engine limit

Electronic diagnostics and fault logging

Engine monitoring and protection system (speeds, temperature, pressure)

SAE J1939 broadcast (diagnostic, engine status, and control)


Thermostats and housing, vertical outlet

Jacket water pump, gear driven, centrifugal

Heat exchanger installed

Expansion tank

FM Required Raw Water Cooling Loops: 1.5" iron, horizontal or vertical, 1.5" 316 stainless steel, horizontal or vertical, 2" iron, horizontal or vertical (2100 rated rpm only), or 2" 316 stainless steel, horizontal or vertical (2100 rated rpm only)


Exhaust manifold, dry

Dual turbo: exhaust elbow, dry 203 mm (8 in)


SAE No. 1 flywheel

SAE No. 1 flywheel housing

SAE standard rotation


Electronic unit injector

Fuel filter, secondary (2 micron)

Fuel transfer pump

Fuel sample valve, mounted on fuel filter base

Primary fuel filter / water separator


Digital Display mounted in Junction Box, LH side of engine. Displays: Oil pressure, Fuel pressure, Charging voltage, Coolant temperature, Raw water temperature, and Engine hours


Crankcase breather, front valve cover

Oil cooler

Lube oil filter

Front sump oil pan

Oil filler

Oil dipstick

Oil pump


Front and rear support


Flywheel stub shaft


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)


24 volt, LH electric starting motor

Jacket water heater (3 kW, 120-240 volt)


Vibration damper and guard

Lifting eyes

Automatic variable timing, electronic

Paint - fire pump red



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