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 Cat® C7.1 Diesel Engine |
 Cat® C27 Industrial Power Unit |
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Power Rating |
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|---|---|---|---|
| Maximum Power | 275 HP | 950 HP | - |
| Maximum Torque | 774 lb-ft @ 1400 rpm | 3211 lb-ft @ 1200 rpm | - |
| Rated Speed | 2200-2500 rpm | 1800 rpm | - |
| Minimum Power | 155.6 HP | 800 HP | - |
Emission Standards |
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| Emissions | China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA | U.S. EPA Tier 4 Final, EU Stage V | - |
Engine Dimensions - Approximate |
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| Length | 36.6 in | - | - |
| Width | 26.3 in | - | - |
| Height | 32.2 in | - | - |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 1115 lb | - | - |
General |
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| Engine Configuration | In-Line 6, 4-Stroke-Cycle Diesel | V-12, 4-Stroke-Cycle Diesel | - |
| Bore | 4.1 in | 5.7 in | - |
| Stroke | 5.3 in | 6 in | - |
| Displacement | 427.7 in³ | 1649.5 in³ | - |
| Aspiration | Turbocharged Aftercooled (TA) | Twin Turbocharged-Aftercooled (TTA) | - |
| Rotation from Flywheel End | Counterclockwise | Counterclockwise | - |
| Aftertreatment | - | DOC | - |
| Compression Ratio | - | 16.0:1 | - |
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