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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 and Japan 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.

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Maximum Power188HP

Maximum Torque601lb-ft @ 1400 rpm

Rated Speed2000 - 2200 rpm

Minimum Power137HP

EmissionsEU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)

Engine ConfigurationInline 4, 4-Stroke-Cycle Diesel

Bore4.1in

Stroke5in

Displacement268.5in³

Compression Ratio16.0:2

AspirationTurbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)

Rotation from Flywheel EndCounterclockwise

AftertreatmentDOC+DPF+SCR

Length60.3in

Width34.2in

Height53.7in

Weight1559lb

Standard

Standard air cleaners

Standard

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

Standard

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

Standard

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

Standard

Electronic high pressure common rail

Innovative filter design to ensure maximum protection of the engine

Standard

Wide choice of sumps for different applications

Standard

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.

Standard

Available with or without a balancer

Paint: Caterpillar yellow, with optional colors available at request

Standard

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

No ash service requirement

Passive regeneration

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