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Caterpillar

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.

Media

Photos

C18 Fire Pump Diesel Fire Pumps – Highly & Lesser Regulated
C18 Fire Pump Diesel Fire Pumps – Highly & Lesser Regulated

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Exterior

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Features

Reliable, Quiet and Durable Power

World-class Product Support Offered Through Global Cat Dealer Network

Details

Specifications

Spec Value
Maximum Power 800 HP 597 kW
Rated Speed 1500-2100 rpm 1500-2100 rpm
Minimum Power 600 HP 447 kW
Spec Value
Emissions U.S. EPA Tier 3, Tier 2 or Non-certified emission standards for stationary emergency fire pump engines. FM Approved, UL Listed U.S. EPA Tier 3, Tier 2 or Non-certified emission standards for stationary emergency fire pump engines. FM Approved, UL Listed
Spec Value
Engine Configuration Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel
Bore 5.7 in 145 mm
Stroke 7.2 in 183 mm
Displacement 1104.5 in³ 18.1 l
Compression Ratio 16.3:1 16.3:1
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise Counterclockwise
Aftertreatment - -
Spec Value
Length 74.7 in 1889 mm
Width 42.6 in 1082 mm
Height 54.3 in 1380 mm
Weight – Net Dry – Basic Operating Engine Without Optional Attachments 4306 lb 1953 kg

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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