336 Excavator

  • Specs Summary
  • Minimum Rating
    81.8 bhp (61 bkW)
  • Maximum Rating
    108.6 bhp (81 bkW)
  • Emissions
    U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
  • Frequency
    2200 rpm

Cat® C4.4 Industrial Power Unit

The Cat® C4.4 Industrial Power Unit is offered in ratings ranging from 61-81 bkW (81.8-108.6 bhp) @ 2200 rpm. These ratings meet U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. Conveniently pre-configured for a wide range of applications, the Cat® Industrial Power Unit is a complete power package containing a radiator, flywheel, alternator and alternator wiring completely pre-assembled for fast, straightforward installation in a number of OEM, customer and packager applications. These fuel efficient units are ready made for irrigation, industrial, mining and other pump applications.

Power Rating

  • Minimum Rating 81.8 bhp (61 bkW)
  • Maximum Rating 108.6 bhp (81 bkW)
  • Frequency 2200 rpm

Emission Standards

  • Emissions U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent

General

  • Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
  • Bore 105 mm (4.1 in)
  • Stroke 127 mm (5.0 in)
  • Displacement 4.4 L (268.5 in³)
  • Aspiration Turbocharged (T)
  • Compression Ratio 18.2:1
  • Combustion System Direct Injection
  • Rotation (from flywheel end) Counterclockwise

Power Unit Dimensions (Approximate. Final dimensions dependent on selected options)

  • Length 1260 mm (49.6 in)
  • Width 734 mm (28.9 in)
  • Height 964 mm (38 in)
  • Weight - Net Dry (Standard configuration without oil, cooling, clutch, compressor, A/C) 465 kg (1025 lb)

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

PETU Dimensions (Tier 4 Final, Stage IV Only)

Standard Equipment

Air Inlet System

  • Mounted air filter and turbocharger

Control System

  • Available in 12 volt or 24 volt systems
  • Starter motor 12V or 24V

Cooling System

  • Fan (pusher or puller)
  • Fan drive
  • Radiator
  • Water pump

Flywheels and Flywheel Housing

  • Flywheel
  • SAE No. 3 flywheel housing

Fuel System

  • Fuel filter

Lube System

  • Oil cooler
  • Lube oil filter
  • Timing case oil filler

Mountings

  • Engine mounting brackets

Power Take Off (PTO)

  • SAE A or SAE B front PTO (142/280 NŸM)

General

  • Paint: Caterpillar yellow, with optional colors available at request

Optional Equipment