Product Description
The Cat® C4.4 Industrial Diesel Engine is offered in ratings ranging from 74-129.4 bkW (99-173.5 bhp) @ 2200 rpm, which meet U.S. EPA Tier 4 Final, EU Stage IV emission standards. U.S. EPA Tier 4 Interim equivalent and EU Stage IIIB equivalent ratings are also available using U.S. EPA and EU Flex provisions.
Power Rating
- Maximum Power
- 173.5HP
- Maximum Torque
- 553lb-ft @ 1400 rpm
- Rated Speed
- 2200 rpm
- Minimum Power
- 93.9HP
Emission Standards
- Emissions
- U.S. EPA & CARB Tier 4 Final
General
- Engine Configuration
- Inline 4
- Bore
- 4.1in
- Stroke
- 5in
- Displacement
- 268.5in³
- Compression Ratio
- 16.5:1
- Aspiration
- Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
- Combustion System
- Direct Injection
- Rotation from Flywheel End
- Counterclockwise
- Aftertreatment
- DOC+SCR or DOC+DPF+SCR
Engine Dimensions - Approximate
- Length
- 33.3in
- Width
- 29.1in
- Height
- 34.1in
- Weight - Net Dry - Basic Operating Engine Without Optional Attachments
- 926lb
Aftertreatment Dimensions
- Length
- 26.5in
- Width
- 18.8in
- Height
- 15.3in
- Weight
- 99lb
Aftertreatment Dimensions*
- Diameter
- 10.6in
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
-
- 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 Interim Equivalent, Eu Stage Iiib Equivalent 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
-
- U.s. Epa Tier 4 Final, Eu Stage Iv Aftertreatment/ Clean Emissions Control Equipment
-
- Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
- Selective Catalytic Reduction (SCR)
- 3" flex pipe connection with straight, 45°, and 90° options for flexibility