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Cat® C7.1 ACERT™ Diesel Engine |
Cat® C27 Industrial Power Unit |
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Power Rating |
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Maximum Power | 320 HP | 950 HP | - |
Maximum Torque | 935 lb-ft @ 1400 rpm | 3211 lb-ft @ 1200 rpm | - |
Rated Speed | 2200 rpm | 1800 rpm | - |
Minimum Power | 172 HP | 800 HP | - |
Emission Standards |
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Emissions | U.S. EPA & CARB Tier 4 Final, EU Stage V | U.S. EPA Tier 4 Final, EU Stage V | - |
General |
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Engine Configuration | In-Line 6 | 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 | - |
Compression Ratio | 16.5:1 | 16.0:1 | - |
Aspiration | Turbocharged-Aftercooled (TA) or Series Turbocharged Aftercooled (TTA) | Twin Turbocharged-Aftercooled (TTA) | - |
Combustion System | Direct Injection | - | - |
Rotation from Flywheel End | Counterclockwise | Counterclockwise | - |
Aftertreatment | DOC+DPF+SCR | DOC | - |
Engine Dimensions - Approximate |
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Length | 41.9 in | - | - |
Width | 31.4 in | - | - |
Height | 35.9 in | - | - |
Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 1658 lb | - | - |
Aftertreatment Dimensions |
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Length | 29 in | - | - |
Width | 30.3 in | - | - |
Height | 18.1 in | - | - |
Weight | 236 lb | - | - |
Aftertreatment Dimensions* |
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Diameter | 13.3 in | - | - |
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