The XJ750 workover 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 is welded by wide wing H-steel. The engine adopts CAT C15 diesel engine which is made in America. The gear-box adopts Allison S5610HR hydraulic gear-box which is made by American General Automobile Company. Normail drilling depth3000(4-1/2" DP)Max hook load1800KNTraveling system5×6mast clearance height 38mdrawworks typedouble drums with EATON WCB 324 auxiliary brake EATON WCB 324max.pull280kNDrilling wireΦ32mmMain diesel engine power525bhp×2/1800-2100rpmpower transmission systemhydraulic+mechnicalSubstructure height6mRotary table opening size520mmMud tank160 m3mud pump power and Qty1000hp×2