336 Excavator

  • Specs Summary
  • Minimum Power
    1000 bhp (746 bkW)
  • Maximum Power
    1100 bhp (820 bkW)
  • Emissions
    Non-certified
  • Frequency
    1800 rpm

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. Industries and applications powered by 3508B engines include Bore/Drill Rigs, Chippers/Grinders, Construction, Cranes, Dredgers, Forestry, General Industrial, Material Handling, Mining, Mobile Earthmoving Equipment, Pumps, Shovels/Draglines, Surface Hauling Equipment and Trenchers. These 3508B engines, with ratings: 746-820 bkW (1000-1100 bhp) @ 1800 rpm, are non-certified. They are available for global non-regulated areas.

Power Rating

  • Minimum Power 1000 bhp (746 bkW)
  • Maximum Power 1100 bhp (820 bkW)
  • Frequency 1800 rpm

Emission Standards

  • Emissions Non-certified

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
  • Rotation (from flywheel end) Counterclockwise

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

  • Length 2462 mm (97 in)
  • Width 1703 mm (67 in)
  • Height 1720 mm (68 in)
  • Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 4309 kg (9500 lb)

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

PETU Dimensions (Tier 4 Final, Stage IV Only)

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

Optional Equipment