http://www.ec21.com/ec-market/drawwork.html http://wendyrongli.en.ec21.com/Drawworks--3937523_3937623.html Details about products mud pump :F-500 F-800 F-1000 F-1300 F-1600 and rigs , cement pumps, draw works, crown blo20091113 http://wendywelong.en.ec21.com/DrawWorks--3025804_3637252.html The Single-shaft Electric Drawwork Specification: Model JC40 JC40D JC40DB JC50 JC50D JC50DB JC70 JC70DB Rati20090630 http://sedwards43.en.ec21.com/Mid_Continent_U_914_C--3401758_3401786.html Rebuilt Mid-Continent U 914 C Drawworks with control consol avaliable in Houston, TX. - 1-3/8 in. Lebus Groove - Mec20090312 http://xayhjt.en.ec21.com/Winch_Drawwork--852387_3115044.html The drawworks is the key component of the drilling rig.Its complete tasks in the whole drilling operation: making roun20090223 http://doctrans.en.ec21.com/Mechanical_Drawworks--3038495_3073789.html FEATURES OF MECHANICAL DRAWWORKS l All bearings are roller bearings. Shafts are made of a20081202 http://dongyingjianxin.en.ec21.com/7000m_Onshore_Drilling_Rig--3648628_3651111.htmlDrawworks Max.input power: hp Kw 2000 1470 4020 3000 Drawwork shifts 4forward+2reverse 4 4/stepless stepless Mai20091231 http://huaruitong.en.ec21.com/Wheeled_Tractor_Hoist_Rig--2058855_2583945.htmlDrawworks is driven by gear box, has compact structure and high efficiency. 4. II type mast, hydraulic cylinder rising20091224 http://workoverrig.en.ec21.com/Rotary_Drilling_Rig_GWZJ_40--3988803_3988914.htmlDrawworks rated power 750HP (552KW) 1000HP (735KW) 5 Transmission type Hydraulic + Mechanical 6 Axle drive 14 820091208 http://petroleummachinery.en.ec21.com/Drilling_Rig--3777260_3778650.htmldrawworks are mechanically driven. After torque converted by YB900 torque converter and compounded by an one-piece chai20090829 http://chunyu1226.en.ec21.com/ZJ30_1800CT_Trailer_mounted_Drilling--3474957_3639696.htmldrawworks is optional. Main Parameters Model ZJ30/1800CT Drilling depth(4-1/2"DP) ft(m) 9840(3000) Workover depth(3-1/220090701 http://yaouyaou.en.ec21.com/Drill_Rig--1359042_3600401.htmlDrawworks Model JC-20DB JC-30DB JC-40DB JC-50DB JC-70DB Rated power, kW(hP) 400(500) 450(600) 900(120090611 http://ivmarka.en.ec21.com/NEW_MOBILE_DRILLING_RIG_MBU--3532816_3535557.htmlDrawworks , Kn ( tone-force ) 191 (19 . 5) 6 Drill line diameter, mm 28 7 Engine YaMZ-8424, Kw 3320090506 http://fancynw.en.ec21.com/Drill_Rig--3153951_3153986.htmlDrawworks Model JC30DB JC40DB JC50D JC50DB JC70D JC70DB Rated Power of Drawworks 550 735 1100 1100 1470 1470 Speed I, S20090324 http://hilary137.en.ec21.com/Truck_mounted_Drill_Rig_Series--2271901_2271996.htmldrawworks, front axle and rear axle then locked. . The drawworks adopts double bars brake structure, reducing handling 20081202 http://xielujin.en.ec21.com/Drilling_Rig--2384542_2384543.htmldrawworks, crown block, traveling block, hook, swivel, rotary table and mud pump. Drilling Products: 1. AC VF drive 20080328