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C18

C18 Fire Pump

Overview

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.

Specifications

Units: 
Maximum Power —
Emissions U.S. EPA Tier 3, Tier 2 or Non-certified emission standards for stationary emergency fire pump engines. FM Approved, UL Listed
Rated Speed 1500-2100 rpm
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Benefits & 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.

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

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  September 10, 2024

Specifications

Units: 
Power Rating
Maximum Power —
Rated Speed 1500-2100 rpm
Minimum Power —
Emission Standards
Emissions U.S. EPA Tier 3, Tier 2 or Non-certified emission standards for stationary emergency fire pump engines. FM Approved, UL Listed
General
Engine Configuration Inline 6, 4-Stroke-Cycle Diesel
Bore —
Stroke —
Displacement —
Compression Ratio 16.3:1
Aspiration Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Engine Dimensions - Approximate
Length —
Width —
Height —
Weight - Net Dry - Basic Operating Engine Without Optional Attachments —

Benefits & 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.

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

Standard Equipment

  • Air Inlet System
    • Dual turbocharger: front and rear inlet 127.mm (5.0 in)
    • Separate Circuit Aftercooled (SCAC)
    • Optional Air Cleaner - dual element, installed
  • Charging System
    • Charging alternator 24 volt, 50 amp
  • Control System
    • 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)
  • Cooling System
    • 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 System
    • Exhaust manifold, dry
    • Dual turbo: exhaust elbow, dry 203 mm (8 in)
  • Flywheels and Flywheel Housing
    • SAE No. 1 flywheel
    • SAE No. 1 flywheel housing
    • SAE standard rotation
  • Fuel System
    • Electronic unit injector
    • Fuel filter, secondary (2 micron)
    • Fuel transfer pump
    • Fuel sample valve, mounted on fuel filter base
    • Primary fuel filter / water separator
  • Instrumentation
    • 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
  • Lube System
    • Crankcase breather, front valve cover
    • Oil cooler
    • Lube oil filter
    • Front sump oil pan
    • Oil filler
    • Oil dipstick
    • Oil pump
  • Mounting System
    • Front and rear support
  • 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)
  • Starting System
    • 24 volt, LH electric starting motor
    • Jacket water heater (3 kW, 120-240 volt)
  • General
    • Vibration damper and guard
    • Lifting eyes
    • Automatic variable timing, electronic
    • Paint - fire pump red

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