Cat® C4.4 ACERT™ Industrial Power Unit
The Cat® C4.4 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.
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Product Specs
Power Rating
- Minimum Power
- 100.0bhp
- Maximum Power
- 173.5bhp
- Rated Speed
- 2200 rpm
- Minimum Power
- 100HP
- Maximum Power
- 173.5HP
- Rated Speed
- 2200 rpm
- Maximum Torque
- 553.2lb-ft @ 1400 rpm
Emission Standards
- Emissions
- U.S. EPA Tier 4 Final, EU Stage IV
- Emissions
- U.S. EPA Tier 4 Final
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)
- 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
- 16.0:2
- 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)
- Bore
- 4.1in
- Stroke
- 5in
- Displacement
- 268.5in³
- Aftertreatment
- DOC+DPF+SCR
Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)
- Diameter
- 244.9-270.3 mm (9.6-10.6 in)
- Weight
- 34-80 kg (75-176.4 lb)
Power Unit Dimensions - Approximate
- 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
- 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)
Power Unit Dimensions
- Length
- 56.4in
- Width
- 32.3in
- Height
- 45.3in
- Weight
- 1543lb
Aftertreatment Dimensions
- Width
- 27.4in
- Height
- 16.9in
- Diameter
- 10.6in
- Weight
- 176lb
Standard/Optional Features
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