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 Cat® C7.1 Diesel Engine |
 Cat® C4.4 Industrial Power Unit |
 Cat® C7.1 Industrial Power Unit |
 Cat® C32 Industrial Power Unit |
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Power Rating |
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|---|---|---|---|---|
| Maximum Power | 217 HP | 108.6 HP | 275 HP | 1000 HP |
| Maximum Torque | 663 lb-ft @ 1400 rpm | - | 774 lb-ft @ 1400 rpm | 3825 lb-ft @ 1200 rpm |
| Rated Speed | 1950-2200 rpm | 2200 rpm | 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm | 1800 rpm |
| Minimum Power | 150 HP | 81.8 HP | 156 HP | 1000 HP |
Emission Standards |
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| Emissions | China Nonroad Stage III, UN ECE R96 Stage IIIA | UN ECE R96 Stage IIIA | China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA | U.S. EPA Tier 4 Final and EU Stage V |
Engine Dimensions - Approximate |
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| Length | 44.9 in | - | - | - |
| Width | 28.4 in | - | - | - |
| Height | 32.3 in | - | - | - |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 1118 lb | - | - | - |
General |
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| Engine Configuration | Inline 6, 4-Stroke-Cycle | Inline 4, 4-Stroke-Cycle Diesel | Inline 6, 4-Stroke-Cycle Diesel | V-12 |
| Bore | 4.1 in | 4.1 in | 4.1 in | 5.7 in |
| Stroke | 5.3 in | 5 in | 5.3 in | 6.4 in |
| Displacement | 427.7 in³ | 268.5 in³ | 427.7 in³ | 1958.9 in³ |
| Compression Ratio | 18.2:1 | 18.2:1 | 16.8:1 | 16.0:1 |
| Aspiration | Turbocharged Aftercooled (TA) | Turbocharged (T) | Turbocharged Aftercooled (TA) | Twin Turbocharged Aftercooled (TTA) |
| Combustion System | Direct Injection | - | - | Direct Injection |
| Rotation from Flywheel End | Counterclockwise | Counterclockwise | Counterclockwise | Counterclockwise |
| Aftertreatment | - | - | - | DOC |
| Cycle | - | - | - | 4 |
| Cooling System | - | - | - | liquid |
Power Unit Dimensions |
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| Length | - | 49.6 in | 68 in | 100.7 in |
| Width | - | 28.9 in | 31 in | 64.4 in |
| Height | - | 38 in | 44.8 in | 77.6 in |
| Weight | - | 1025 lb | 1737 lb | - |
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