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Cat® C7.1 Industrial Power Unit |
Cat?� C4.4 Industrial Power Unit |
Cat?� C9.3B Industrial Power Unit |
Cat?� C11 Industrial Power Unit |
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Power Rating |
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Maximum Power | 275 HP | 108.6 HP | 416 HP | 451 HP |
Maximum Torque | 774 lb-ft @ 1400 rpm | - | - | - |
Rated Speed | 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm | 2200 rpm | 1800-2200 rpm | 1800-2100 rpm |
Minimum Power | 156 HP | 81.8 HP | 308 HP | 325 HP |
Emission Standards |
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Emissions | China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA | UN ECE R96 Stage IIIA | Brazil MAR-1, UN R96 Stage IIIA | 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 4, 4-Stroke-Cycle Diesel | Inline 6, 4-Stroke-Cycle-Diesel | Inline 6, 4-Stroke-Cycle Diesel |
Bore | 4.1 in | 4.1 in | 4.5 in | 5.1 in |
Stroke | 5.3 in | 5 in | 5.9 in | 5.5 in |
Displacement | 427.7 in³ | 268.5 in³ | 567.5 in³ | 677.4 in³ |
Compression Ratio | 16.8:1 | 18.2:1 | 16.5:1 | 17.2:1 |
Aspiration | Turbocharged Aftercooled (TA) | Turbocharged (T) | Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) |
Rotation from Flywheel End | Counterclockwise | Counterclockwise | Counterclockwise | Counterclockwise |
Aftertreatment | - | - | - | - |
Power Unit Dimensions |
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Length | 68 in | 49.6 in | 83 in | 92 in |
Width | 31 in | 28.9 in | 43 in | 50 in |
Height | 44.8 in | 38 in | 63 in | 71 in |
Weight | 1737 lb | 1025 lb | 3265 lb | 3730 lb |
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