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Cat?� C7.1 Diesel Engine |
Cat?� C4.4 Industrial Power Unit |
Cat?� C32 Industrial Power Unit |
Cat?� C18 Industrial Power Unit (<560 kW) |
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Power Rating |
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Maximum Power | 275 HP | 129.4 HP | 1000 HP | 630 HP |
Maximum Torque | 774 lb-ft @ 1400 rpm | - | 3825 lb-ft @ 1200 rpm | 2177 lb-ft @ 1300 rpm |
Rated Speed | 2200-2500 rpm | 2200 rpm | 1800 rpm | 1800-2000 rpm |
Minimum Power | 155.6 HP | 129.4 HP | 1000 HP | 575 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, China Nonroad Stage IV |
Engine Dimensions - Approximate |
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Length | 36.6 in | - | - | - |
Width | 26.3 in | - | - | - |
Height | 32.2 in | - | - | - |
Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 1115 lb | - | - | - |
General |
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Engine Configuration | In-Line 6, 4-Stroke-Cycle Diesel | Inline 4, 4-Stroke-Cycle Diesel | V-12 | Inline 6, 4-Stroke-Cycle Diesel |
Bore | 4.1 in | 4.1 in | 5.7 in | 5.7 in |
Stroke | 5.3 in | 5 in | 6.4 in | 7.2 in |
Displacement | 427.7 in³ | 268.5 in³ | 1958.9 in³ | 1104.5 in³ |
Aspiration | Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) | Twin Turbocharged Aftercooled (TTA) | Turbocharged Aftercooled (TA) |
Rotation from Flywheel End | Counterclockwise | Counterclockwise | Counterclockwise | Counterclockwise |
Aftertreatment | - | - | DOC | DOC+DPF+SCR |
Compression Ratio | - | 16.2:1 | 16.0:1 | 16.0:1 |
Cycle | - | - | 4 | - |
Combustion System | - | - | Direct Injection | - |
Cooling System | - | - | liquid | - |
Power Unit Dimensions |
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Length | - | 53.5 in | 100.7 in | 99.7 in |
Width | - | 29.5 in | 64.4 in | 48.9 in |
Height | - | 37.9 in | 77.6 in | 79 in |
Weight | - | 1146 lb | - | 5842 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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