Cat® 3508 Fire Pump

Cat® 3508 Industrial Diesel Fire Pump Engines, with ratings: 709-794 kW (950-1065 hp) @ 1460-1750 rpm, are non-certified, not FM Approved, and not UL Listed. They are available for global non-regulated areas. 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.

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Maximum Power 1065 HP
Rated Speed 1460-1750 rpm
Minimum Power 950 HP
Emissions Non-Certified. Available for global non-regulated areas. Not FM Approved, Not UL Listed
Engine Configuration V-8, 4-Stroke-Cycle Diesel
Bore 6.7 in
Stroke 7.5 in
Displacement 2105 in³
Compression Ratio 13.0:1
Aspiration Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Length 92.5 in
Height 74.9 in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 11805 lb
Air Inlet System
  • Air cleaner. Regular duty, dry, panel type with service indicators, turbocharger, jacket water aftercooled.
  • Turbocharger, rear mounted
  • Jacket water aftercooled
Control System
  • Charging alternator 24 volt, 35 amp
  • Governor, RH, 3161 with self contained synthetic oil sump
  • Air-fuel ratio control
  • Mechanical speed control, without torque control
  • Governor control
  • Positive locking
Cooling System
  • Thermostats and housing
  • Jacket water pump, centrifugal
Exhaust System
  • Exhaust manifold, dry
Flywheels and Flywheel Housing
  • SAE No. 0 flywheel
  • 151 flywheel teeth
  • SAE No. 0 flywheel housing
  • SAE standard rotation
Fuel System
  • Fuel filter, with service indicators, cartridge type with RH service
  • Fuel transfer pump
Instrumentation
  • Instrument Panel, RH
  • Engine oil pressure gauge
  • Fuel pressure gauge
  • Oil filter differential gauge
  • Jacket water temperature gauge
  • Service meter, electric
  • Tachometer
Lube System
  • Crankcase breather, top mounted
  • Oil cooler
  • Oil filler
  • Oil dipstick
  • Oil pump
  • Oil filter, cartridge type with RH service
  • Shallow oil pan
  • Fumes disposal (not installed)
Mounting System
  • Rails, mounting, engine length, 254 mm (10 in), industrial-type, C-channel.
  • Included on selected top level engines
Power Take Off
  • Accessory drive, upper RH
  • Front housing, single sided
Protection System
  • Junction box
  • Manual shutoff, RH
  • Safety shutoff protection, energized to shutdown
  • Low oil pressure, low idle 69 kPa (10 psi); high idle 207 kPa (30 psi)
  • Water temperature
  • Overspeed
  • 3161 governor solenoid energized to shutdown
Starting System
  • Starting switch
General
  • Vibration damper
  • Lifting eyes
  • Paint: Caterpillar yellow, with optional colors available at request