Cat® C4.4 Industrial Power Unit

Cat® C4.4 Industrial Power Unit

Cat® C4.4 Industrial Power Unit

The C4.4 IPU engine is a common rail direct injection engine with either a single turbo or twin turbo chargecooled air system. It meets U.S. EPA Tier 4 Final, EU Stage V andJapan 2014 (Tier 4 Final) emission standards. For ease of installation, the IPU provides full aftertreatment mounting, an integrated cooling system and inlet air filter mounted to the IPU.

Power Rating
Maximum Power
188HP
Maximum Torque
609lb-ft @ 1400 rpm
Rated Speed
2200 rpm
Minimum Power
137HP
Emission Standards
Emissions
EU Stage V, U.S. EPA Tier 4 Final
General
Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Bore
4.1in
Stroke
5in
Displacement
268.5in³
Compression Ratio
16.0:2
Aspiration
Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
Rotation from Flywheel End
Counterclockwise
Aftertreatment
DOC+DPF+SCR
Power Unit Dimensions
Length
60.3in
Width
34.2in
Height
53.7in
Weight
1559lb

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
  • 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 V Aftertreatment / Clean Emissions Control Equipment
  • Diesel Oxidation Catalyst (DOC) / Diesel Particulate Filter (DPF) / Selective Catalytic Reduction (SCR)
  • No ash service requirement
  • Passive regeneration
 

Optional Equipment:

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