Cat?� C4.4 Industrial Power Unit

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.

Equipment Highlights

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.

Specs + Downloads

Specs

Engine Configuration: Inline 4, 4-Stroke-Cycle Diesel
Bore: 4.1 in
Stroke: 5 in
Displacement: 268.5 in³
Compression Ratio: 16.0:2
Aspiration: Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
Rotation from Flywheel End: Counterclockwise
Aftertreatment: DOC+DPF+SCR

Maximum Power: 188 hp
Maximum Torque: 601 lb-ft @ 1400 rpm
Rated Speed: 2000 - 2200 rpm
Minimum Power: 137 hp

Emissions: EU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)

Length: 60.3 in
Width: 34.2 in
Height: 53.7 in
Weight: 1559 lb