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 Cat® C7.1 Industrial Power Unit |
 Cat® C4.4 Industrial Power Unit |
 Cat® C18 Industrial Power Unit |
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Power Rating |
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|---|---|---|---|
| Maximum Power | 302 HP | - | 630 HP |
| Maximum Torque | 940 lb-ft @ 1400 rpm | - | - |
| Rated Speed | 1800-2200 rpm | - | 1800-2100 |
| Minimum Power | 202 HP | - | 575 HP |
Emission Standards |
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| Emissions | U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) | - | China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent or Non-Certified |
General |
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| Engine Configuration | Inline 6, 4-Stroke-Cycle Diesel | - | Inline 6, 4-Stroke-Cycle Diesel |
| Bore | 4.1 in | - | 5.7 in |
| Stroke | 5.3 in | - | 7.2 in |
| Displacement | 427.7 in³ | - | 1104.5 in³ |
| Compression Ratio | 16.5:1 | - | 16.3:1 |
| Aspiration | Series Turbocharged Aftercooled (TTA) | - | Turbocharged Aftercooled (TA) |
| Rotation from Flywheel End | Counterclockwise | - | Counterclockwise |
| Aftertreatment | DOC+DPF+SCR | - | - |
Power Unit Dimensions |
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| Length | 69.6 in | - | 54.6 in |
| Width | 36.1 in | - | 36.3 in |
| Height | 57.5 in | - | 48.9 in |
| Weight | 2204 lb | - | 4844 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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