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 Cat® C7.1 Industrial Power Unit |
 Cat® C27 Industrial Power Unit |
 Cat® C11 Industrial Power Unit |
 Cat® C15 Industrial Power Unit |
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Power Rating |
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|---|---|---|---|---|
| Maximum Power | 302 HP | 950 HP | 451 HP | 580 HP |
| Maximum Torque | 940 lb-ft @ 1400 rpm | 3211 lb-ft @ 1200 rpm | - | 1958 lb-ft @ 1400 rpm |
| Rated Speed | 1800-2200 rpm | 1800 rpm | 1800-2100 rpm | 1800-2100 rpm |
| Minimum Power | 202 HP | 800 HP | 325 HP | 475 HP |
Emission Standards |
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| Emissions | U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final) | U.S. EPA Tier 4 Final, EU Stage V | Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3 | U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final), Korea Stage V, China Nonroad IV |
General |
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| Engine Configuration | Inline 6, 4-Stroke-Cycle Diesel | V-12, 4-Stroke-Cycle Diesel | Inline 6, 4-Stroke-Cycle Diesel | Inline 6, 4-Stroke-Cycle Diesel |
| Bore | 4.1 in | 5.7 in | 5.1 in | 5.4 in |
| Stroke | 5.3 in | 6 in | 5.5 in | 6.7 in |
| Displacement | 427.7 in³ | 1649.5 in³ | 677.4 in³ | 927.6 in³ |
| Compression Ratio | 16.5:1 | 16.0:1 | 17.2:1 | 17.0:1 |
| Aspiration | Series Turbocharged Aftercooled (TTA) | Twin Turbocharged-Aftercooled (TTA) | Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) |
| Rotation from Flywheel End | Counterclockwise | Counterclockwise | Counterclockwise | Counterclockwise |
| Aftertreatment | DOC+DPF+SCR | DOC | - | DOC+DPF+SCR |
Power Unit Dimensions |
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| Length | 69.6 in | - | 92 in | 98 in |
| Width | 36.1 in | - | 50 in | 48.4 in |
| Height | 57.5 in | - | 71 in | 79 in |
| Weight | 2204 lb | - | 3730 lb | 5842 lb |
Aftertreatment Dimensions |
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| Length | 30.4 in | - | - | - |
| Width | 31.2 in | - | - | 43.8 in |
| Height | 18.4 in | - | - | 25.8 in |
| Weight | 198 lb | - | - | 591 lb |
Aftertreatment Dimensions* |
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| Diameter | - | - | - | 14 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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