< Back

Financing & Insurance
See our Offers
View Product Downloads
Please answer to continue. Select an option to continue. Enter a valid email address.
Yes, I would like to receive future communications from Caterpillar extended enterprise and dealer network.

Overview

Cat 3508 Diesel Fire Pump Engine. Ratings: 709-794 bkW (950-1065 bhp) @ 1460-1750 rpm are non-certified, not FM Approved, and not UL Listed. They are available for global non-regulated areas.

Engine Specifications

Units:
Minimum Rating 950.0 bhp 709.0 bkW Less
Maximum Rating 1065.0 bhp 795.0 bkW Less
Emissions Non-certified Non-certified Less
Bore 6.7 in 170.0 mm Less
Stroke 7.5 in 190.0 mm Less
Displacement 2105.0 in3 34.5 L Less
Aspiration Turbocharged Aftercooled Turbocharged Aftercooled Less
Engine Weight, net dry 11806.0 lb 5355.0 kg Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less
Flywheel and Flywheel Housing SAE No. 0 SAE No. 0 Less
Flywheel Teeth 151 151 Less

Capacity for Liquids

Lube Oil System (refill) 30.0 gal 114.0 L Less
Cooling System (engine only) 60.0 gal 227.0 L Less

Dimensions

Length 92.5 in 2350.0 mm Less
Width 68.7 in 1744.0 mm Less
Height 74.9 in 1902.0 mm Less

3508 Standard Equipment

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: Cat yellow, with optional colors available at request

3508 Optional Equipment

Cooling System
  • Emergency water connections

Exhaust System
  • Flexible fitting
  • Exhaust elbow
  • Exhaust flange

Fuel System
  • Primary fuel filter - cartridge type

Lubrication System
  • Oil level regulator

Power Take-off
  • Two-sided front housing
  • Front, upper left-hand accessory drive
  • Front, lower left-hand accessory drive
  • Auxiliary drive shaft
  • Auxiliary drive pulley

Starting System
  • Battery - 24V
  • Battery rack

Cat® Dealer Service

Buy any piece of Cat® equipment and also get the full support and commitment of your local Cat Dealer.

Contact your local dealer
Financing & Insurance

You can count on Cat Financial to provide the best financial solutions, built just for you.

See our Offers