336 Excavator


Power Systems

  • Specs Summary
  • Maximum Power
    173.5 HP (129.4 kW)
  • Maximum Torque
    553.2 lb-ft @ 1400 rpm (750 Nm @ 1400 rpm)
  • Emissions
    ( )
  • Rated Speed
    ( )

Cat® C4.4 ACERT™ Industrial Power Unit

The Cat® C4.4 ACERT™ Industrial Power Unit is offered in ratings ranging from 74.5-129.4 bkW (100-173.5 bhp) @ 2200 rpm, which meet U.S. EPA Tier 4 Final, EU Stage IV emission standards. Tier 4 Interim Equivalent and Stage IIIB Equivalent ratings are also available using Flex options. 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.
Download Specifications

  • Maximum Power 173.5 HP (129.4 kW)
  • Rated Speed ( )
  • Minimum Power 100 HP (74.5 kW)
  • Emissions ( )
  • Engine Configuration ( )
  • Bore 4.1 in (105 mm)
  • Stroke 5 in (127 mm)
  • Displacement 268.5 in³ (4.4 l)
  • Compression Ratio ( )
  • Aspiration ( )
  • Rotation from Flywheel End ( )
  • Aftertreatment ( )
  • Length 56.4 in (1433 mm)
  • Width 32.3 in (820 mm)
  • Height 45.3 in (1150 mm)
  • Weight 1543 lb (700 kg)
  • Width 27.4 in (695 mm)
  • Height 16.9 in (430 mm)
  • Diameter 10.6 in (270 mm)
  • Weight 176 lb (80 kg)
  • Maximum Torque 553.2 lb-ft @ 1400 rpm (750 Nm @ 1400 rpm)

Standard Equipment

Air Inlet System

  • Standard air cleaners

Control System

  • Full electronic control system, all connectors and wiring looms waterproof and designed to withstand harsh off-highway environments
  • Flexible and configurable software features and well-supported SAE J1939 CAN bus enables highly integrated machines

Cooling System

  • Top tank temperature 108° C (226° F) as standard to minimize cooling pack size
  • 50:50 water glycol mix
  • Guidance on cooling system design available through your dealer to ensure equipment reliability

Flywheels and Flywheel Housing

  • Wide choice of drivetrain interfaces, including SAE No. 2 and SAE No. 3 configurations

Fuel System

  • Electronic high pressure common rail
  • ACERT™ Technology
  • Innovative filter design to ensure maximum protection of the engine

Lube System

  • Wide choice of sumps for different applications

Power Take Off

  • SAE A and SAE B flanges on left-hand side. Additional SAE A flange available on left-hand side. Engine power can also be taken from the front of the engine on some applications. Factory fitted compressors are also available.

General

  • Available with or without a balancer
  • Paint: Caterpillar yellow, with optional colors available at request

U.S. EPA Tier 4 Final, EU Stage IV Aftertreatment / Clean Emissions Control Equipment

  • Diesel Oxidation Catalyst (DOC) / Selective Catalytic Reduction (SCR)
  • Diesel Particulate Filter (DPF) / Selective Catalytic Reduction (SCR)

U.S. EPA Tier 4 Interim, EU Stage IIIB Aftertreatment / Clean Emissions Control Equipment

  • Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
  • No ash service requirement
  • Passive regeneration

Optional Equipment