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 Cat?� C7.1 Diesel Engine |
 Cat?� C11 Industrial Power Unit |
 Cat?� C32 Industrial Power Unit |
 Cat® C7.1 Industrial Power Unit |
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Power Rating |
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|---|---|---|---|---|
| Maximum Power | 275 hp | 451 hp | 1000 hp | 275 hp |
| Maximum Torque | 774 lb-ft @ 1400 rpm | - | 3825 lb-ft @ 1200 rpm | 774 lb-ft @ 1400 rpm |
| Rated Speed | 2200-2500 rpm | 1800-2100 rpm | 1800 rpm | 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm |
| Minimum Power | 155.6 hp | 325 hp | 1000 hp | 156 hp |
Emission Standards |
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| Emissions | China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA | Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3 | U.S. EPA Tier 4 Final and EU Stage V | China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA |
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 | Inline 6, 4-Stroke-Cycle Diesel | V-12 | Inline 6, 4-Stroke-Cycle Diesel |
| Bore | 4.1 in | 5.1 in | 5.7 in | 4.1 in |
| Stroke | 5.3 in | 5.5 in | 6.4 in | 5.3 in |
| Displacement | 427.7 in³ | 677.4 in³ | 1958.9 in³ | 427.7 in³ |
| Aspiration | Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) | Twin Turbocharged Aftercooled (TTA) | Turbocharged Aftercooled (TA) |
| Rotation from Flywheel End | Counterclockwise | Counterclockwise | Counterclockwise | Counterclockwise |
| Aftertreatment | - | - | DOC | - |
| Compression Ratio | - | 17.2:1 | 16.0:1 | 16.8:1 |
| Cycle | - | - | 4 | - |
| Combustion System | - | - | Direct Injection | - |
| Cooling System | - | - | liquid | - |
Power Unit Dimensions |
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| Length | - | 92 in | 100.7 in | 68 in |
| Width | - | 50 in | 64.4 in | 31 in |
| Height | - | 71 in | 77.6 in | 44.8 in |
| Weight | - | 3730 lb | - | 1737 lb |
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