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 Cat® C7.1 Industrial Power Unit |
 Cat® C4.4 Industrial Power Unit |
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Power Rating |
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| Maximum Power | 302 HP | 108.6 HP | - |
| Maximum Torque | 940 lb-ft @ 1400 rpm | - | - |
| Rated Speed | 1800-2200 rpm | 2200 rpm | - |
| Minimum Power | 202 HP | 81.8 HP | - |
Emission Standards |
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| Emissions | U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) | UN ECE R96 Stage IIIA | - |
General |
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| Engine Configuration | Inline 6, 4-Stroke-Cycle Diesel | Inline 4, 4-Stroke-Cycle Diesel | - |
| Bore | 4.1 in | 4.1 in | - |
| Stroke | 5.3 in | 5 in | - |
| Displacement | 427.7 in³ | 268.5 in³ | - |
| Compression Ratio | 16.5:1 | 18.2:1 | - |
| Aspiration | Series Turbocharged Aftercooled (TTA) | Turbocharged (T) | - |
| Rotation from Flywheel End | Counterclockwise | Counterclockwise | - |
| Aftertreatment | DOC+DPF+SCR | - | - |
Power Unit Dimensions |
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| Length | 69.6 in | 49.6 in | - |
| Width | 36.1 in | 28.9 in | - |
| Height | 57.5 in | 38 in | - |
| Weight | 2204 lb | 1025 lb | - |
Aftertreatment Dimensions |
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| Length | 30.4 in | - | - |
| Width | 31.2 in | - | - |
| Height | 18.4 in | - | - |
| Weight | 198 lb | - | - |
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