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 Cat?� C7 Industrial Diesel Engine |
 Cat?� C27 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 | 300 hp | 950 HP | 275 hp | 1000 hp |
| Rated Speed | 1800-2200 rpm | 1800 rpm | 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm | 1800 rpm |
| Minimum Power | 225 hp | 800 HP | 156 hp | 1000 hp |
| Maximum Torque | - | 3211 lb-ft @ 1200 rpm | 774 lb-ft @ 1400 rpm | 3825 lb-ft @ 1200 rpm |
Emission Standards |
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| Emissions | China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent | U.S. EPA Tier 4 Final, EU Stage V | 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 | 41.5 in | - | - | - |
| Width | 29.8 in | - | - | - |
| Height | 40.6 in | - | - | - |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 1296 lb | - | - | - |
General |
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| Engine Configuration | Inline 6, 4-Stroke-Cycle Diesel | V-12, 4-Stroke-Cycle Diesel | Inline 6, 4-Stroke-Cycle Diesel | V-12 |
| Bore | 4.3 in | 5.7 in | 4.1 in | 5.7 in |
| Stroke | 5 in | 6 in | 5.3 in | 6.4 in |
| Displacement | 442 in³ | 1649.5 in³ | 427.7 in³ | 1958.9 in³ |
| Compression Ratio | 16.2:1 | 16.0:1 | 16.8:1 | 16.0:1 |
| Aspiration | Turbocharged Aftercooled (TA) | Twin Turbocharged-Aftercooled (TTA) | Turbocharged Aftercooled (TA) | Twin Turbocharged Aftercooled (TTA) |
| Combustion System | Direct Injection | - | - | Direct Injection |
| Rotation from Flywheel End | Counterclockwise | Counterclockwise | Counterclockwise | Counterclockwise |
| Aftertreatment | - | DOC | - | DOC |
| Cycle | - | - | - | 4 |
| Cooling System | - | - | - | liquid |
Power Unit Dimensions |
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| Length | - | - | 68 in | 100.7 in |
| Width | - | - | 31 in | 64.4 in |
| Height | - | - | 44.8 in | 77.6 in |
| Weight | - | - | 1737 lb | - |
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