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 Cat® C2.8 Industrial Diesel Engine |
 Cat® C18 Industrial Power Unit |
 Cat® C11 Industrial Power Unit |
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Power Rating |
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|---|---|---|---|
| Maximum Power | 74 HP | 630 HP | 451 HP |
| Maximum Torque | 221 lb-ft @ 1600 rpm | - | - |
| Rated Speed | 2200-2400 rpm | 1800-2100 | 1800-2100 rpm |
| Minimum Power | 67 HP | 575 HP | 325 HP |
Emission Standards |
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| Emissions | UN ECE R96 Stage IIIA, Brazil MAR-1 | China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent or Non-Certified | Brazil MAR-1, UN R96 Stage IIIA, U.S. EPA Tier 3 |
Engine Dimensions - Approximate |
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| Length | 24.9 in | - | - |
| Width | 21.2 in | - | - |
| Height | 30.9 in | - | - |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 705 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 |
| Bore | 3.5 in | 5.7 in | 5.1 in |
| Stroke | 4.3 in | 7.2 in | 5.5 in |
| Displacement | 171 in³ | 1104.5 in³ | 677.4 in³ |
| Compression Ratio | 17.0:1 | 16.3:1 | 17.2:1 |
| Aspiration | Turbocharged (T) and Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) |
| Combustion System | Direct Injection | - | - |
| Rotation from Flywheel End | Counterclockwise | Counterclockwise | Counterclockwise |
| Aftertreatment | - | - | - |
Power Unit Dimensions |
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| Length | - | 54.6 in | 92 in |
| Width | - | 36.3 in | 50 in |
| Height | - | 48.9 in | 71 in |
| Weight | - | 4844 lb | 3730 lb |
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