C18

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 Cat line of fire engine pumps covers a wide range of installations. At 447-597 kW (600-800 hp) 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.

Product Images

Product Videos

Virtual Product Tour (VPT)

Specifications

NameTypeValueUnit Value (Imperial)Unit NameUnit Value (Metric)Unit Name (Metric)
Maximum Powermeasurement800hp597kW
Rated Speedtext1500-2100 rpm
Minimum Powermeasurement600hp447kW

View All Specifications (16)

Documents & Spec Sheets

Features & Benefits

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

Complete Specifications

Power Rating

NameTypeValueUnit Value (Imperial)Unit NameUnit Value (Metric)Unit Name (Metric)
Maximum Powermeasurement800hp597kW
Rated Speedtext1500-2100 rpm
Minimum Powermeasurement600hp447kW
EmissionstextU.S. EPA Tier 3, Tier 2 or Non-certified emission standards for stationary emergency fire pump engines. FM Approved, UL Listed
Engine ConfigurationtextInline 6, 4-Stroke-Cycle Diesel
Boremeasurement5.7in145mm
Strokemeasurement7.2in183mm
Displacementmeasurement1104.5in³18.1l
Compression Ratiotext16.3:1
AspirationtextTurbocharged Aftercooled (TA)
Rotation from Flywheel EndtextCounterclockwise
Aftertreatmenttext-
Lengthmeasurement74.7in1889mm
Widthmeasurement42.6in1082mm
Heightmeasurement54.3in1380mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachmentsmeasurement4306lb1953kg

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

Optional Equipment

Attachments