Compare Equipment Go Back
 Cat® C4.4 Diesel Engine |
 Cat® C11 Industrial Power Unit |
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Power Rating |
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| Maximum Power | 200 HP | 451 HP | - |
| Maximum Torque | 609 lb-ft @ 1400 rpm | - | - |
| Rated Speed | 2200 rpm | 1800-2100 rpm | - |
| Minimum Power | 109 HP | 325 HP | - |
Emission Standards |
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| Emissions | U.S. EPA & CARB Tier 4 Final, EU Stage V | Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3 | - |
General |
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| Engine Configuration | Inline 4, 4-Stroke-Cycle Diesel | Inline 6, 4-Stroke-Cycle Diesel | - |
| Bore | 4.1 in | 5.1 in | - |
| Stroke | 5 in | 5.5 in | - |
| Displacement | 268.5 in³ | 677.4 in³ | - |
| Compression Ratio | 16.5:1 | 17.2:1 | - |
| Aspiration | Turbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA) | Turbocharged Aftercooled (TA) | - |
| Combustion System | Direct Injection | - | - |
| Rotation from Flywheel End | Counterclockwise | Counterclockwise | - |
| Aftertreatment | DOC+DPF+SCR | - | - |
Engine Dimensions - Approximate |
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| Length | 32.4 in | - | - |
| Width | 29.6 in | - | - |
| Height | 35.3 in | - | - |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 1180 lb | - | - |
Aftertreatment Dimensions |
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| Length | 26.5 in | - | - |
| Width | 24.5 in | - | - |
| Height | 17.8 in | - | - |
| Weight | 143.3 lb | - | - |
Power Unit Dimensions |
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| Length | - | 92 in | - |
| Width | - | 50 in | - |
| Height | - | 71 in | - |
| Weight | - | 3730 lb | - |
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