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C4.4 EU StageV Tier 4 Industrial Power Units - Highly Regulated

Cat® C4.4 Industrial Power Unit

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Overview

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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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.

Power Rating

Minimum Power: 100.0bhp
Maximum Power: 173.5bhp
Rated Speed: 2200 rpm
Minimum Power: 137HP
Maximum Power: 188HP
Rated Speed: 2000 - 2200 rpm
Maximum Torque: 601lb-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: 4.1in
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: 60.3in
Width: 34.2in
Height: 53.7in
Weight: 1559lb

Aftertreatment Dimensions

Width: 27.4in
Height: 16.9in
Weight: 176lb

Aftertreatment Dimensions*

Diameter: 10.6in

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
- 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

Optional Equipment:

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