336 Excavator

  • Specs Summary

C7 ACERT™ Dry Manifold Engine

Cat C7 ACERT engines are the ideal solution for your demanding operations in the oilfield. Decades of field operation and intense research and development allow Cat C7 ACERT engines to deliver excellent performance with low operating costs and emissions. Applications powered by C7 ACERT engines include pump skids, acidizing units, cementing units, coil tubing units, and hydraulic power units. Cat engines are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. The C7 ACERT engines, with ratings: 168-224 bkW (225-300 bhp) @ 1800-2200 rpm, meet China Stage II, EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

Standard Equipment

Air Inlet System

  • Turbocharger, air to air aftercooled
  • Air inlet, LH side facing front 79.0 mm (3.11 in) connection

Control System

  • Electronic governing, PTO speed control
  • Programmable rating
  • Cold mode start strategy
  • Automatic altitude compensation
  • Power compensation for fuel temperature
  • Programmable low and high idle and TEL
  • Electronic diagnostics and fault logging
  • Programmable monitoring system (engine speeds, temperature, pressure)
  • J1939 broadcast (diagnostic and engine status)
  • Automatic variable timing, electronic
  • All engines shipped at max rated rpm

Cooling System

  • Thermostats and housing, vertical outlet
  • Jacket water pump — belt-driven, centrifugal
  • Water pump, inlet RH front vertical inlet (pointing down)

Exhaust System

  • Exhaust manifold — dry
  • Front turbo exhaust

Fuel System

  • Hydraulic Electronic Unit injection (HEUI)
  • Fuel filter — secondary, LH front (2-micron high performance)
  • Fuel transfer pump — LH front
  • Fuel priming pump — LH front


  • Vibration damper
  • Paint — Cat yellow
  • Lifting eyes
  • Electronic installation kit (connectors, pins, sockets)

Lube System

  • Crankcase breather, LH side
  • Oil cooler, RH
  • Oil filler, front top valve cover
  • Oil filter and sampling valve, RH
  • Oil pan, front sump, 31 L (33 qt) oil change capacity
  • Oil dipstick, LH rear
  • Engine oil pump (gear-driven)
  • Engine shipped without oil

Power Take-Offs

  • Crankshaft drive pulley — 2 grooves, 190 mm (7.5 in) diameter, 22.3 mm (0.88 in) wide

Optional Equipment

Air Compressor

  • Air compressors
  • Air compressor governor

Air Inlet System

  • Air cleaners
  • Precleaner
  • Air inlet elbow
  • Air shutoffs

Charging Systems

  • Charging alternators
  • Alternator mountings
  • Alternator belt tensioner
  • Alternator pulleys
  • Alternator guards

Cooling System

  • Radiators
  • Fan drive and pulley - f/u/w radiator packages
  • Fans f/u/w radiator packages
  • Coolant level sensor
  • Fan drive mountings
  • Fan adapters
  • Fan adapter for blower fans
  • Fan pulleys
  • Fan height instructions
  • Vee belts for customer-supplied radiators
  • Suction fans and blower fans
  • Water inlet elbows
  • Dry charge coolant conditioners

Emissions Certification

  • IMO Certification

Exhaust System

  • Flexible fitting
  • Turbocharger exhaust outlet adapters
  • Elbows, flange, pipes, clamp
  • Rain caps
  • Manifolds
  • Mufflers

Flywheels and Flywheel Housing

  • Crankshaft seal

Fuel System

  • Flexible fuel lines
  • Water separator and fuel filters
  • Fuel cooler


  • Tool set


  • Gauges and instrument panels
  • Interconnect harnesses
  • Voltmeters
  • Gauge mounting
  • Ammeter

Lube System

  • Oil pan
  • Drain and cover
  • Oil level gauges
  • Remote oil filter
  • Oil fillers
  • Lubricating oil
  • Fumes disposal

Mounting System

  • Structural steel base
  • Front engine support
  • Rear engine supports

Power Take-Offs

  • Enclosed clutch
  • Clutch supports
  • Flywheel stub shaft
  • Hydraulic pump drives
  • Hydraulic gear pumps

Starting System

  • Starting Aids
  • Electric Starting Motors — 12V and 24V
  • Battery Sets - 12V and 24V (dry)
  • Battery Cable