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 Cat® C27 Industrial Power Unit |
 Cat® C4.4 Industrial Power Unit |
 Cat® C11 Industrial Power Unit |
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Power Rating |
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|---|---|---|---|
| Maximum Power | 950 HP | 129.4 HP | 451 HP |
| Maximum Torque | 3211 lb-ft @ 1200 rpm | - | - |
| Rated Speed | 1800 rpm | 2200 rpm | 1800-2100 rpm |
| Minimum Power | 800 HP | 129.4 HP | 325 HP |
Emission Standards |
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| Emissions | U.S. EPA Tier 4 Final, EU Stage V | 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 | V-12, 4-Stroke-Cycle Diesel | Inline 4, 4-Stroke-Cycle Diesel | Inline 6, 4-Stroke-Cycle Diesel |
| Bore | 5.7 in | 4.1 in | 5.1 in |
| Stroke | 6 in | 5 in | 5.5 in |
| Displacement | 1649.5 in³ | 268.5 in³ | 677.4 in³ |
| Compression Ratio | 16.0:1 | 16.2:1 | 17.2:1 |
| Aspiration | Twin Turbocharged-Aftercooled (TTA) | Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) |
| Rotation from Flywheel End | Counterclockwise | Counterclockwise | Counterclockwise |
| Aftertreatment | DOC | - | - |
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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