... equipment configured for oil drilling rigs currently. 2000 series diesel engine coupling gear o setWith a wide application in oil drilling ... , 830, 900 mm, which can match with internal combustion engines (diesel engine, gas engine) of 135, 140, 160, 180, 190, 200, 260, ... of motors, and foreign advanced power machinery such as Caterpillar, Cummins, Volvo, etc. The products cover the fields such as ...