C4.4
Cat® C4.4 Industrial Power Unit
DESCRIPTION
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.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.
- Standard Equipment
- Specs
- Docs
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, 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
Specs
Overview
Long Name:
Cat® C4.4 Industrial Power Unit
Name:
C4.4
Brand:
Caterpillar
Status:
Current
Power Rating
Maximum Power
188 HP / 140 kW
Maximum Torque
601 lb-ft @ 1400 rpm / 815 Nm @ 1400 rpm
Rated Speed
2000 - 2200 rpm
Minimum Power
137 HP / 102 kW
Emission Standards
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
4.1 in / 105 mm
Stroke
5 in / 127 mm
Displacement
268.5 in³ / 4.4 l
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
60.3 in / 1532 mm
Width
34.2 in / 869 mm
Height
53.7 in / 1364 mm
Weight
1559 lb / 707 kg
SEE HOW C4.4 COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.
Industrial Diesel Power Units
C4.4
- Brand
- Caterpillar
- Status
- Current
- Maximum Power
- 188 HP / 140 kW
- Rated Speed
- 2000 - 2200 rpm
- Minimum Power
- 137 HP / 102 kW
- Emissions
- EU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)
- Engine Configuration
- Inline 4, 4-Stroke-Cycle Diesel
- Bore
- 4.1 in / 105 mm
- Stroke
- 5 in / 127 mm
- Displacement
- 268.5 in³ / 4.4 l
- Compression Ratio
- 16.0:2
- Aspiration
- Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
- Rotation from Flywheel End
- Counterclockwise
- Aftertreatment
- DOC+DPF+SCR
- Length
- 60.3 in / 1532 mm
- Width
- 34.2 in / 869 mm
- Height
- 53.7 in / 1364 mm
- Weight
- 1559 lb / 707 kg
Selected Model
Industrial Diesel Power Units
C4.4
- Brand
- Caterpillar
- Status
- Current
- Maximum Power
- 108.6 HP / 81 kW
- Rated Speed
- 2200 rpm
- Minimum Power
- 81.8 HP / 61 kW
- Emissions
- UN ECE R96 Stage IIIA
- Engine Configuration
- Inline 4, 4-Stroke-Cycle Diesel
- Bore
- 4.1 in / 105 mm
- Stroke
- 5 in / 127 mm
- Displacement
- 268.5 in³ / 4.4 l
- Compression Ratio
- 18.2:1
- Aspiration
- Turbocharged (T)
- Rotation from Flywheel End
- Counterclockwise
- Aftertreatment
- -
- Length
- 49.6 in / 1260 mm
- Width
- 28.9 in / 734 mm
- Height
- 38 in / 964 mm
- Weight
- 1025 lb / 465 kg
Industrial Diesel Power Units
C7.1
- Brand
- Caterpillar
- Status
- Current
- Maximum Power
- 275 HP / 205 kW
- Rated Speed
- 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm
- Minimum Power
- 156 HP / 116 kW
- Emissions
- China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
- Engine Configuration
- Inline 6, 4-Stroke-Cycle Diesel
- Bore
- 4.1 in / 105 mm
- Stroke
- 5.3 in / 135 mm
- Displacement
- 427.7 in³ / 7.01 l
- Compression Ratio
- 16.8:1
- Aspiration
- Turbocharged Aftercooled (TA)
- Rotation from Flywheel End
- Counterclockwise
- Aftertreatment
- -
- Length
- 68 in / 1728 mm
- Width
- 31 in / 788 mm
- Height
- 44.8 in / 1140 mm
- Weight
- 1737 lb / 788 kg