336 Excavator

  • Specs Summary
  • Minimum Power
    1500 bhp (1119 bkW)
  • Maximum Power
    1650 bhp (1231 bkW)
  • Emissions
    Non-certified
  • Frequency
    1800 rpm

Cat® 3512B Industrial Diesel Engine

For your largest power needs in any environment, Cat® 3512B 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 3512B 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 3512B engines, with ratings: 1119-1231 bkW (1500-1650 bhp) @ 1800 rpm, are non-certified. They are available for global non-regulated areas.

Power Rating

  • Minimum Power 1500 bhp (1119 bkW)
  • Maximum Power 1650 bhp (1231 bkW)
  • Frequency 1800 rpm

Emission Standards

  • Emissions Non-certified

General

  • Engine Configuration V-12, 4-Stroke-Cycle Diesel
  • Bore 170 mm (6.7 in)
  • Stroke 190 mm (7.5 in)
  • Displacement 51.8 L (3158 in³)
  • Aspiration Turbocharged Aftercooled
  • Rotation (from flywheel end) Counterclockwise

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

  • Length 3067 mm (120.8 in)
  • Width 1785 mm (70.3 in)
  • Height 1806 mm (71.1 in)
  • Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 6078 kg (13,400 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. 00 flywheel
  • 183 flywheel teeth
  • SAE No. 00 flywheel housing

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.

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