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 Cat® C4.4 Diesel Engine |
 Cat® C4.4 Industrial Power Unit |
 Cat® C32 Industrial Power Unit |
Cat® C27 Industrial Power Unit |
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Power Rating |
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|---|---|---|---|---|
| Maximum Power | 142 HP | 129.4 HP | 1000 HP | 950 HP |
| Maximum Torque | 411.2 lb-ft @ 1400 rpm | - | 3825 lb-ft @ 1200 rpm | 3211 lb-ft @ 1200 rpm |
| Rated Speed | 2200 rpm | 2200 rpm | 1800 rpm | 1800 rpm |
| Minimum Power | 91.2 HP | 129.4 HP | 1000 HP | 800 HP |
Emission Standards |
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| Emissions | China Nonroad Stage III, Brazil MAR-1, 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 | U.S. EPA Tier 4 Final, EU Stage V |
Engine Dimensions - Approximate |
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| Length | 24.8 in | - | - | - |
| Width | 24.6 in | - | - | - |
| Height | 37.7 in | - | - | - |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 794 lb | - | - | - |
General |
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| Engine Configuration | Inline 4, 4-Stroke-Cycle Diesel | Inline 4, 4-Stroke-Cycle Diesel | V-12 | V-12, 4-Stroke-Cycle Diesel |
| Bore | 4.1 in | 4.1 in | 5.7 in | 5.7 in |
| Stroke | 5 in | 5 in | 6.4 in | 6 in |
| Displacement | 269 in³ | 268.5 in³ | 1958.9 in³ | 1649.5 in³ |
| Compression Ratio | 16.9:1 | 16.2:1 | 16.0:1 | 16.0:1 |
| Aspiration | Turbocharged (T) or Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) | Twin Turbocharged Aftercooled (TTA) | 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 | - | 53.5 in | 100.7 in | - |
| Width | - | 29.5 in | 64.4 in | - |
| Height | - | 37.9 in | 77.6 in | - |
| Weight | - | 1146 lb | - | - |
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