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.
| Maximum Power | 188hp |
| Maximum Torque | 601lb-ft @ 1400 rpm |
| Rated Speed | 2000 - 2200 rpm |
| Minimum Power | 137hp |
| Emissions | EU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final) |
| Engine Configuration | Inline 4, 4-Stroke-Cycle Diesel |
| Bore | 4.1in |
| Stroke | 5in |
| Displacement | 268.5in³ |
| Compression Ratio | 16.0:2 |
| Aspiration | Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA) |
| Rotation from Flywheel End | Counterclockwise |
| Aftertreatment | DOC+DPF+SCR |
| Length | 60.3in |
| Width | 34.2in |
| Height | 53.7in |
| Weight | 1559lb |
| Air Inlet System |
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| Control System |
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| Cooling System |
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| Flywheels And Flywheel Housing |
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| Fuel System |
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| Lube System |
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| Power Take Off |
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| General |
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| U.s. Epa Tier 4 Final, Eu Stage V Aftertreatment, Japan 2014 (tier 4 Final) / Clean Emissions Control Equipment |
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