The drilling rig is self-propelled carrier and trucked-mounted rig with two drums. This product was exported to Indonesi The ZJ30 drilling rig carrier is 14×8 drive self-propelled carrier. The first, the second, the fourth and the fifth axle are driving axle. The seventh axle is air suspension axle. The first and the second axle are turning axle. The truck frame is special strengthed beam which ...
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