draw works 1,Convenience, safety assurance 2,lower weigth,noise output and vibration during operation ModelF-1000DBF-1500DBF-2000DBNorminal drilling depth4-1/2" drill pipe 2,500-4,000(8,200-13,120) 3,500-5,000(11,480-16,400) 4,500-7,000(14,760-22,965)5" drill pipe2,000-3,200(6,560-10,500) 2,800-4,500(9,185-14,760)4000-6000(13,120-19,685)Rated powerHP(KW)1*980(720)2*980(720)2*1500(1100)Number* ...