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 Cat® C7.1 Industrial Power Unit |
 Cat® C18 Industrial Power Unit |
 Cat® C18 Industrial Power Unit (<560 kW) |
 Cat® C11 Industrial Power Unit |
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Power Rating |
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|---|---|---|---|---|
| Maximum Power | 275 HP | 630 HP | 630 HP | 451 HP |
| Maximum Torque | 774 lb-ft @ 1400 rpm | - | 2177 lb-ft @ 1300 rpm | - |
| Rated Speed | 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm | 1800-2100 | 1800-2000 rpm | 1800-2100 rpm |
| Minimum Power | 156 HP | 575 HP | 575 HP | 325 HP |
Emission Standards |
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| Emissions | China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA | China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent or Non-Certified | U.S. EPA Tier 4 Final, EU Stage V, China Nonroad Stage IV | Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3 |
General |
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| Engine Configuration | Inline 6, 4-Stroke-Cycle Diesel | Inline 6, 4-Stroke-Cycle Diesel | Inline 6, 4-Stroke-Cycle Diesel | Inline 6, 4-Stroke-Cycle Diesel |
| Bore | 4.1 in | 5.7 in | 5.7 in | 5.1 in |
| Stroke | 5.3 in | 7.2 in | 7.2 in | 5.5 in |
| Displacement | 427.7 in³ | 1104.5 in³ | 1104.5 in³ | 677.4 in³ |
| Compression Ratio | 16.8:1 | 16.3:1 | 16.0:1 | 17.2:1 |
| Aspiration | Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) |
| Rotation from Flywheel End | Counterclockwise | Counterclockwise | Counterclockwise | Counterclockwise |
| Aftertreatment | - | - | DOC+DPF+SCR | - |
Power Unit Dimensions |
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| Length | 68 in | 54.6 in | 99.7 in | 92 in |
| Width | 31 in | 36.3 in | 48.9 in | 50 in |
| Height | 44.8 in | 48.9 in | 79 in | 71 in |
| Weight | 1737 lb | 4844 lb | 5842 lb | 3730 lb |
Aftertreatment Dimensions |
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| Width | - | - | 43.8 in | - |
| Height | - | - | 25.7 in | - |
| Weight | - | - | 591 lb | - |
Aftertreatment Dimensions* |
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| Diameter | - | - | 13 in | - |
PETU Dimensions - Tier 4 Final Only |
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| Length | - | - | 33.6 in | - |
| Width | - | - | 11.3 in | - |
| Height | - | - | 21.7 in | - |
| Weight | - | - | 42.8 lb | - |
| Volume Capacity | - | - | 51.1 qt (US) | - |
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