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 Cat?� C4.4 Industrial Power Unit |
 Cat?� C18 Industrial Power Unit (<560 kW) |
 Cat?� C32 Industrial Power Unit |
 Cat?� C18 Industrial Power Unit |
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Power Rating |
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|---|---|---|---|---|
| Maximum Power | 129.4 hp | 630 hp | 1000 hp | 630 hp |
| Rated Speed | 2200 rpm | 1800-2000 rpm | 1800 rpm | 1800-2100 |
| Minimum Power | 129.4 hp | 575 hp | 1000 hp | 575 hp |
| Maximum Torque | - | 2177 lb-ft @ 1300 rpm | 3825 lb-ft @ 1200 rpm | - |
Emission Standards |
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| Emissions | China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA | U.S. EPA Tier 4 Final, EU Stage V, China Nonroad Stage IV | U.S. EPA Tier 4 Final and EU Stage V | China Stage II, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent or Non-Certified |
General |
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| Engine Configuration | Inline 4, 4-Stroke-Cycle Diesel | Inline 6, 4-Stroke-Cycle Diesel | V-12 | Inline 6, 4-Stroke-Cycle Diesel |
| Bore | 4.1 in | 5.7 in | 5.7 in | 5.7 in |
| Stroke | 5 in | 7.2 in | 6.4 in | 7.2 in |
| Displacement | 268.5 in³ | 1104.5 in³ | 1958.9 in³ | 1104.5 in³ |
| Compression Ratio | 16.2:1 | 16.0:1 | 16.0:1 | 16.3:1 |
| Aspiration | Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) | Twin Turbocharged Aftercooled (TTA) | Turbocharged Aftercooled (TA) |
| Rotation from Flywheel End | Counterclockwise | Counterclockwise | Counterclockwise | Counterclockwise |
| Aftertreatment | - | DOC+DPF+SCR | DOC | - |
| Cycle | - | - | 4 | - |
| Combustion System | - | - | Direct Injection | - |
| Cooling System | - | - | liquid | - |
Power Unit Dimensions |
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| Length | 53.5 in | 99.7 in | 100.7 in | 54.6 in |
| Width | 29.5 in | 48.9 in | 64.4 in | 36.3 in |
| Height | 37.9 in | 79 in | 77.6 in | 48.9 in |
| Weight | 1146 lb | 5842 lb | - | 4844 lb |
Aftertreatment Dimensions |
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| Width | - | 43.8 in | - | - |
| Height | - | 25.7 in | - | - |
| Weight | - | 591 lb | - | - |
Aftertreatment Dimensions* |
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| Diameter | - | 13 in | - | - |
PETU Dimensions - Tier 4 Final Only |
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| Length | - | 33.6 in | - | - |
| Width | - | 11.3 in | - | - |
| Height | - | 21.7 in | - | - |
| Weight | - | 42.8 lb | - | - |
| Volume Capacity | - | 51.1 qt (US) | - | - |
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