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3508

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: Caterpillar yellow, with optional colors available at request

Select Units

Overview

The Cat® 3508 Industrial Diesel Fire Pump Engine is offered in ratings ranging from 709-794 bkW (950-1065 bhp) @ 1460-1750 rpm. These ratings 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.

Power Rating

  • Minimum Power 950.0 BHP 709.0 bkW
  • Maximum Power 1065.0 BHP 794.0 bkW
  • Rated Speed 1460-1750 rpm 1460-1750 rpm

Emission Standards

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

General

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

Engine Dimensions - Approximate

  • Height 1902.4 mm (74.9 in) 1902.4 mm (74.9 in)
  • Length 2350.4 mm (92.5 in) 2350.4 mm (92.5 in)
  • Weight - Approximate, Net Dry (Basic Operating Engine Without Optional Attachments) 5355 kg (11805 lb) 5355 kg (11805 lb)

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

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