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Diesel Fire Pumps - Highly & Lesser Regulated

Cat® industrial engines are ready for your application. These engines deliver the unsurpassed reliability, durability, fuel efficiency, and low cost of ownership you have come to expect from Caterpillar. And our world-class product support will never let you down. All this adds up to a powerful advantage for you. Every Cat industrial diesel and gas engine comes with 75 years of engine experience. Our world-class product line of high-speed and medium-speed industrial engines in a wide range of applications offer power solutions for the most demanding installations and the harshest environments. With power options from 8.2 to 6,100 bkW (11 to 8,180 bhp), Cat industrial diesel and gas engines offer the widest power range in the industry.

Cat® 3508 Fire Pump

Cat® 3508 Industrial Diesel Fire Pump Engines, with 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. 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.

  • Specification Summary

  • Minimum Power 709.0 bkW
  • Maximum Power 794.0 bkW
  • Frequency 1460-1750 rpm
  • Emissions Non-Certified. Available for global non-regulated areas. Not FM Approved, Not UL Listed

Product Details

Power Rating

Minimum Power 709.0 bkW
Maximum Power 794.0 bkW
Frequency 1460-1750 rpm

Emission Standards

Emissions Non-Certified. Available for global non-regulated areas. Not FM Approved, Not UL Listed

General

Engine Configuration V-8, 4-Stroke-Cycle Diesel
Bore 170 mm (6.7 in)
Stroke 190 mm (7.5 in)
Displacement 34.5 L (2105 in³)
Aspiration Turbocharged Aftercooled (TA)
Compression Ratio 13.0:1
Rotation (from flywheel end) Counterclockwise

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Height 1902.4 mm (74.9 in)
Length 2350.4 mm (92.5 in)
Weight - Approximate, Net Dry (Basic Operating Engine Without Optional Attachments) 5355 kg (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
  • 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
        • 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
                    • Exhaust manifold, dry
                      • Flywheels and Flywheel Housing
                        •  SAE No. 0 flywheel
                        •  151 flywheel teeth
                        •  SAE No. 0 flywheel housing
                        •  SAE standard rotation
                      • 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
                              • 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
                                  • 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
                                      • Vibration damper
                                        • Lifting eyes
                                          • Paint: Caterpillar yellow, with optional colors available at request
                                            Built for it