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.

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.

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Emissions

Non-certified rating. Available for global non-regulated areas.

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

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

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

Additional information

Offering Type

Power Rating - Maximum Power

820 kW ( 1100 HP )

Power Rating - Maximum Torque

4353 Nm @ 1450 rpm ( 3211 lb-ft @ 1450 rpm )

Power Rating - Rated Speed

1800 rpm

Power Rating - Minimum Power

746 kW ( 1000 HP )

Emission Standards - Emissions

Non-Certified

General - Engine Configuration

V-8, 4-Stroke-Cycle Diesel

General - Bore

170 mm ( 6.7 in )

General - Stroke

190 mm ( 7.5 in )

General - Displacement

34.5 l ( 2105 in³ )

General - Aspiration

Turbocharged Aftercooled

General - Rotation from Flywheel End

Counterclockwise

General - Aftertreatment

Engine Dimensions - Approximate - Length

2462 mm ( 97 in )

Engine Dimensions - Approximate - Width

1704 mm ( 67 in )

Engine Dimensions - Approximate - Height

1720 mm ( 68 in )

Engine Dimensions - Approximate - Weight - Net Dry - Basic Operating Engine Without Optional Attachments

4309 kg ( 9500 lb )

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