This series truck-mounted rig is self-propelled rig, which is fit for 1000~4000 m (4 1/2″D.P) drilling depth of superficial oil, gas, and water well. The performance is reliable, operating and moving convenient, good adjustability. And the operation and moving expense are lower. Product Features: 1) Drawworks is single drum or double drum, the main drum brake is disc brake and equipped with roller or water cooled auxiliary disk brake to ensure brake safe and reliable. 2) The rig has two pieces telescopic masts, using cylinder to rise and extends. The weight and size of the mast make sure that the walking vehicle cross well and better load ability and reliable when operating. 3) The rig floor adopts swing-up or vertical rising structure, saving the mounting time, reducing the transportation. 4) The ramp and catwalk is integral design for the requirement of drilling and convenient transportation. 5) The truck satisfies the vehicle notice requirement. The driving is sight open, potable turning, quick brake, good adjustability, powerful crossing, and is fit for the driving demand of oilfield road, meanwhile satisfies the working requirements of drilling equipment long and heavy load.