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Caterpillar

Cat® 3508B Industrial Diesel Engine

For your largest power needs in any environment, Cat® 3508B Industrial Diesel Engines offer the unsurpassed performance and durability your customers need to keep their industrial applications and operations running. They deliver high power output, proven reliability and excellent fuel efficiency. These engines maintain low operating costs to keep your customers profitable for years to come.

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3508B
3508B

Features

Reliable, Quiet and Durable Power

Fuel Efficiency

Emissions

World-class Product Support Offered Through Global Cat Dealer Network

World-class Product Support Offered Through Global Cat Dealer Network

Details

Specifications

Spec Value
Maximum Power 1100 hp 820 kW
Maximum Torque 3211 lb-ft @ 1450 rpm 4353 Nm @ 1450 rpm
Rated Speed 1800 rpm 1800 rpm
Minimum Power 1000 hp 746 kW
Spec Value
Emissions Non-Certified Non-Certified
Spec Value
Engine Configuration V-8, 4-Stroke-Cycle Diesel V-8, 4-Stroke-Cycle Diesel
Bore 6.7 in 170 mm
Stroke 7.5 in 190 mm
Displacement 2105 in³ 34.5 l
Aspiration Turbocharged Aftercooled Turbocharged Aftercooled
Rotation from Flywheel End Counterclockwise Counterclockwise
Aftertreatment - -
Spec Value
Length 97 in 2462 mm
Width 67 in 1704 mm
Height 68 in 1720 mm
Weight – Net Dry – Basic Operating Engine Without Optional Attachments 9500 lb 4309 kg

Standard Equipment

Air Inlet System

  • Aftercooler core, corrosion resistant coated (air side)
  • Air cleaner. Regular duty, dry, panel type with service indicators, turbocharger, jacket water aftercooled.
  • Turbocharger, rear mounted
  • Jacket water aftercooled

Control System

  • 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

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