Nominal drilling depth 10000 ft (41/2″DP) Max. hook load 400000lbs Engine model CAT3408（two sets ） Transmission model Allison 5961（two sets ） Drawworks gear NO. 5F+1R Hook block speed 0.66~4.59(ft/s) Substructure height 19.685ft Main unit weight when moving 170000lbs Overall dimension when moving 73×10×15 (ft) Design principle： ►Meet the technical requirement on bidding; ►The advanced domestic and overseas technology and structure are adopted, key parts are bought in to improve the rig reliability and enhance the standard factor ► Insist the design principle of safety first and put double safety device on the key parts to protect person and equipment safety； ►Strengthen protection against abrasion to prolong using life； ► Insist the design principle of reliability to prolong the using life of the drilling rig； ►Strengthen human engineering to improve the working efficiency； ►Conform to HSE Specs