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 Cat® C9.3B Industrial Power Unit HRC |
 Cat® C7.1 Industrial Power Unit |
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Power Rating |
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|---|---|---|---|
| Maximum Power | 456 HP | 275 HP | - |
| Maximum Torque | 1540 lb-ft @ 1400 rpm | 774 lb-ft @ 1400 rpm | - |
| Rated Speed | 1800-2200 rpm | 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm | - |
| Minimum Power | 335 HP | 156 HP | - |
Emission Standards |
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| Emissions | EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014 (Tier 4 Final) and China Nonroad IV | China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA | - |
General |
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| Engine Configuration | Inline 6, 4-Stroke-Cycle-Diesel | Inline 6, 4-Stroke-Cycle Diesel | - |
| Bore | 4.5 in | 4.1 in | - |
| Stroke | 5.9 in | 5.3 in | - |
| Displacement | 567.5 in³ | 427.7 in³ | - |
| Compression Ratio | 17.0:1 | 16.8:1 | - |
| Aspiration | Turbocharged Aftercooled (TA) | Turbocharged Aftercooled (TA) | - |
| Rotation from Flywheel End | Counterclockwise | Counterclockwise | - |
| Aftertreatment | DOC+DPF+SCR | - | - |
Power Unit Dimensions |
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| Length | 83 in | 68 in | - |
| Width | 43 in | 31 in | - |
| Height | 68.5 in | 44.8 in | - |
| Weight | 3563 lb | 1737 lb | - |
Aftertreatment Dimensions |
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| Width | 34.3 in | - | - |
| Height | 22.4 in | - | - |
| Weight | 468 lb | - | - |
Aftertreatment Dimensions* |
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| Diameter | 13 in | - | - |
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