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 Cat® 3512C Industrial Diesel Engine |
 Cat® 3516C Industrial Power Unit |
 Cat® C7.1 Industrial Power Unit |
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Power Rating |
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|---|---|---|---|
| Maximum Power | 1500 HP | 2100 HP | 275 HP |
| Maximum Torque | 5259 lb-ft @ 1500 rpm | - | 774 lb-ft @ 1400 rpm |
| Rated Speed | 1800 rpm | 1750 rpm | 116-205 bkW/156-275 bhp @ 2200 rpm, 129 bkW/173 bhp @ 2500 rpm |
| Minimum Power | 1500 HP | 2100 HP | 156 HP |
Emission Standards |
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| Emissions | U.S. EPA Tier 2 Equivalent | U.S. EPA Tier 2 Nonroad equivalent emission standards (not currently EPA certified) | China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA |
Engine Dimensions - Approximate |
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| Length | 120.8 in | 129 in | - |
| Width | 70.3 in | 60 in | - |
| Height | 71.1 in | 81 in | - |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 13400 lb | 17284 lb | - |
General |
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| Engine Configuration | V-12, 4-Stroke-Cycle Diesel | V-16, 4-Stroke-Cycle Diesel | Inline 6, 4-Stroke-Cycle Diesel |
| Bore | 6.7 in | 6.7 in | 4.1 in |
| Stroke | 7.5 in | 8.5 in | 5.3 in |
| Displacement | 3158 in³ | 4760 in³ | 427.7 in³ |
| Aspiration | Turbocharged Aftercooled | Turbocharged Aftercooled | Turbocharged Aftercooled (TA) |
| Rotation from Flywheel End | Counterclockwise | Counterclockwise | Counterclockwise |
| Aftertreatment | - | - | - |
| Compression Ratio | - | 13.0:1 | 16.8:1 |
Power Unit Dimensions |
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| Length | - | - | 68 in |
| Width | - | - | 31 in |
| Height | - | - | 44.8 in |
| Weight | - | - | 1737 lb |
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