336 Excavator

  • Specs Summary
  • Minimum Power
    1500 bhp (1120 bkW)
  • Maximum Power
    1500 bhp (1120 bkW)
  • Emissions
    U.S. EPA Tier 2 Equivalent
  • Frequency
    1800 rpm

Cat® 3512C Industrial Diesel Engine

For your largest power needs in any environment, Cat® 3512C 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 3512C 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. The 3512C engine, with a rating of 1120 bkW (1500 bhp) @ 1800 rpm, is U.S. EPA Tier 2 equivalent. It is available using U.S. EPA Flexibility, and for other regulated and non-regulated areas.

Power Rating

  • Minimum Power 1500 bhp (1120 bkW)
  • Maximum Power 1500 bhp (1120 bkW)
  • Frequency 1800 rpm

Emission Standards

  • Emissions U.S. EPA Tier 2 Equivalent

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

  • Air to Air Aftercooled (ATAAC)
  • Two turbochargers, rear mounted

Control System

  • Electronic Engine Control, RH

Cooling System

  • Thermostats and housing
  • Gear driven centrifugal jacket water pump
  • Connections for radiator cooling

Exhaust System

  • Exhaust manifold, dry
  • Two turbochargers with watercooled bearings
  • Two exhaust outlets, 203 mm (8 in) round flange

Flywheels and Flywheel Housing

  • SAE No. 00 flywheel (183 teeth)
  • SAE No. 00 flywheel housing

Fuel System

  • Fuel filter, LH spin-on type
  • Fuel transfer pump
  • Electronically controlled unit injectors

Instrumentation

  • No standard instrument or gauge panel

Lube System

  • Crankcase breather, top mounted
  • Oil cooler
  • Oil filler and dipstick, LH
  • Oil pump
  • Oil filter, LH, spin-on type
  • Oil pan

Mounting System

  • Trunnion front support

Power Take Off

  • Front housing, two sided

Protection System

  • ECM monitoring system to provide customer programmable engine
  • Deration strategies to protect against adverse operating conditions
  • Emergency stop logic inputs provided at 40 pin customer interface connection

Starting System

  • Dual 24V electric starting motor

General

  • Vibration damper
  • Lifting eyes
  • Paint: Caterpillar yellow

Optional Equipment