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 Cat® C4.4 Industrial Power Unit |
 Cat® C11 Industrial Power Unit |
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Power Rating |
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|---|---|---|---|
| Maximum Power | 129.4 HP | 451 HP | - |
| Rated Speed | 2200 rpm | 1800-2100 rpm | - |
| Minimum Power | 129.4 HP | 325 HP | - |
Emission Standards |
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| Emissions | China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA | Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3 | - |
General |
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| Engine Configuration | Inline 4, 4-Stroke-Cycle Diesel | Inline 6, 4-Stroke-Cycle Diesel | - |
| Bore | 4.1 in | 5.1 in | - |
| Stroke | 5 in | 5.5 in | - |
| Displacement | 268.5 in³ | 677.4 in³ | - |
| Compression Ratio | 16.2:1 | 17.2:1 | - |
| Aspiration | Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) | - |
| Rotation from Flywheel End | Counterclockwise | Counterclockwise | - |
| Aftertreatment | - | - | - |
Power Unit Dimensions |
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| Length | 53.5 in | 92 in | - |
| Width | 29.5 in | 50 in | - |
| Height | 37.9 in | 71 in | - |
| Weight | 1146 lb | 3730 lb | - |
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