Industrial Oem

  • Specs Summary
  • Minimum Power
    100 bhp (74.5 bkW)
  • Maximum Power
    173.5 bhp (129.4 bkW)
  • Emissions
    U.S. EPA Tier 4 Final, EU Stage IV
  • Frequency
    2200 rpm

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.

Power Rating

  • Minimum Power 100 bhp (74.5 bkW)
  • Maximum Power 173.5 bhp (129.4 bkW)
  • Frequency 2200 rpm

Emission Standards

  • Emissions U.S. EPA Tier 4 Final, EU Stage IV

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 Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
  • Compression Ratio 16:2
  • Rotation (from flywheel end) Counterclockwise
  • Cooling System Capacity 9-9.4 L (8.2-8.5 qt)
  • Lube System (refill) 5.2-13.5 L (5.5-14.27 qt)

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

  • Length 1433 mm (56.4 in)
  • Width 795-820 mm (31.3-32.3 in)
  • Height 1126-1150 mm (44.3-45.3 in)
  • Weight - Approximate, Net Dry (Standard configuration without oil, cooling, clutch, compressor, A/C) 670-700 kg (1477-1543 lb)

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

  • Diameter 244.9-270.3 mm (9.6-10.6 in)
  • Width 365-695 mm (14.3-27.4 in)
  • Height 279-430 mm (11-16.9 in)
  • Weight 34-80 kg (75-176.4 lb)

PETU Dimensions (Tier 4 Final, Stage IV Only)

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