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 Cat® C4.4 Diesel Engine |
 Cat® C18 Industrial Power Unit |
Cat® C15 Industrial Power Unit |
 Cat® C27 Industrial Power Unit |
 Cat® C4.4 Industrial Power Unit |
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Power Rating |
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|---|---|---|---|---|---|
| Maximum Power | 111.3 HP | 630 HP | 540 HP | 950 HP | 129.4 HP |
| Maximum Torque | 308 lb-ft @ 1400 rpm | - | - | 3211 lb-ft @ 1200 rpm | - |
| Rated Speed | 2200-2400 rpm | 1800-2100 | 1800-2100 rpm | 1800 rpm | 2200 rpm |
| Minimum Power | 72.4 HP | 575 HP | 440 HP | 800 HP | 129.4 HP |
Emission Standards |
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| Emissions | UN ECE R96 Stage IIIA | China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent or Non-Certified | 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 |
Engine Dimensions - Approximate |
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| Length | 26.1 in | - | - | - | - |
| Width | 23.7 in | - | - | - | - |
| Height | 30.5 in | - | - | - | - |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 674.6 lb | - | - | - | - |
General |
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| Engine Configuration | Inline 4, 4-Stroke-Cycle Diesel | Inline 6, 4-Stroke-Cycle Diesel | Inline 6, 4-Stroke-Cycle Diesel | V-12, 4-Stroke-Cycle Diesel | Inline 4, 4-Stroke-Cycle Diesel |
| Bore | 4.1 in | 5.7 in | 5.4 in | 5.7 in | 4.1 in |
| Stroke | 5 in | 7.2 in | 6.8 in | 6 in | 5 in |
| Displacement | 269 in³ | 1104.5 in³ | 927.6 in³ | 1649.5 in³ | 268.5 in³ |
| Compression Ratio | 18.2:1 | 16.3:1 | 18.0:1 | 16.0:1 | 16.2:1 |
| Aspiration | Naturally Aspirated (NA), Turbocharged (T) or Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) | Twin Turbocharged-Aftercooled (TTA) | Turbocharged Aftercooled (TA) |
| Combustion System | Direct Injection | - | - | - | - |
| Rotation from Flywheel End | Counterclockwise | Counterclockwise | Counterclockwise | Counterclockwise | Counterclockwise |
| Aftertreatment | - | - | - | DOC | - |
Power Unit Dimensions |
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| Length | - | 54.6 in | 96.4 in | - | 53.5 in |
| Width | - | 36.3 in | 51.8 in | - | 29.5 in |
| Height | - | 48.9 in | 103.5 in | - | 37.9 in |
| Weight | - | 4844 lb | 4532 lb | - | 1146 lb |
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