Cat?� C4.4 Industrial Power Unit

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Cat?� C4.4 Industrial Power Unit

Minimum Power 100 bhp
Maximum Power 174 bhp
Emissions U.S. EPA Tier 4 Final, EU Stage IV
Rated Speed 2200 rpm
Engine Configuration Inline 4, 4-Stroke-Cycle Diesel
Bore 105 mm (4.1 in)
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Power Rating
Minimum Power 100 bhp
Maximum Power 174 bhp
Rated Speed 2200 rpm
Minimum Power 137 hp
Rated Speed 2000 - 2200 rpm
Maximum Power 188 hp
Maximum Torque 601 lb-ft @ 1400 rpm
Emission Standards
Emissions U.S. EPA Tier 4 Final, EU Stage IV
Emissions EU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (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 in
Stroke 5 in
Displacement 269 in³
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
Weight 1,559 lb
Width 34 in
Height 54 in
Length 60 in
Aftertreatment Dimensions
Width 27 in
Weight 176 lb
Height 17 in
Aftertreatment Dimensions*
Diameter 11 in

Reliable, Quiet and Durable Power

Global manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

Exhaust System

Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), and Selective Catalytic Reduction (SCR) system supplied installed on engine. Zero downtime due to regeneration.

World-class Product Support Offered Through Global Cat Dealer Network

Superior dealer service network, Customer Support Agreements (CSA) and Cat® Extended Service Coverage (ESC).

Low-Cost Maintenance

Worldwide service delivers ease of maintenance and simplifies the servicing routine. Hydraulic tappets, multi-vee belts, service free DPF and 500-hour oil change intervals enable low-cost maintenance.

  • 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, Japan 2014 (tier 4 Final) / Clean Emissions Control Equipment
    • Diesel Oxidation Catalyst (DOC) / Diesel Particulate Filter (DPF) / Selective Catalytic Reduction (SCR)
    • No ash service requirement
    • Passive regeneration
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