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                      | Pneumatics, hydraulics,
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                      | NOV products (including Mission and Hydra Rig).
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                | More about the engine assembly and parts, please click the following brands: |  
                | MTU | DDC | Caterpillar |  
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                      | Allison off-road transmission and parts.
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                |  | Caterpillar is the largest earthwork and  construction machinery manufacturer as well as a major supplier of diesel, natural  gas engine and industrial gas turbine. I holds a world-leading position in  construction machinery, mining equipment, diesel, natural gas engine and  industrial gas turbine. |  |  
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                | Characterized by fuel economy, strong power and  durability, Caterpillar engines and generator units are setting and will continue  to set new industry standards and models. Caterpillar is the only manufacturer  in the world that owns ACERT technology. From road to sea, oasis to desert, or city  to suburb, Caterpillar drive is everywhere. Shanghai O&M supplies the Caterpillar  oilfield engines (series C15, C18) and generator units. |  |  
                | Shanghai O&M provides original components of  Caterpillar engines and generator units, including air filter, oil filter,  diesel filter, booster pump, water pump, cylinder cover, bearing, fuel  injection system element, bent axle, piston, piston ring, cylinder block,  engine and generator, ignition plug, section thermostat, belts, water  temperature gauge, oil pressure gauge, and etc. | 
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                | In the petroleum and natural gas fields,  Caterpillar series of 3400, 3500 diesel engines, fuel engines and generator  units, as well as the series of C engines and generator units are powering the  oil drill machines, workover rigs, cementing trucks, fracturing trucks and many  other oil field equipments. Caterpillar 3406 generator units are widely used as  camp electrical power in the oilfields. |  |  |  
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                              | To know more about MTU, please click: |  
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                              | To know more about DDC, please click: |  
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