... : 22".13.carton size: 1080*230*230mmAdvantages: 1.The drilling by universal small gasoline engine, gear box and the special design ... to carry and field field operation. 5 drill can be operated by a single person, and can double operation, economy and practicality ... , gear box filling grease. 10 problems can not be solved by yourself, not privately disassembly. 11 machine when not in a ...