... operation ModelF-1000DBF-1500DBF-2000DBNorminal drilling depth4-1/2" drill pipe 2,500-4,000(8,200-13,120) 3 ... drill pipe2,000-3,200(6,560-10,500) 2,800-4,500(9,185-14,760)4000-6000 ... 19,685)Rated powerHP(KW)1*980(720)2*980(720)2*1500(1100)Number*Rated Power(KW) of ... motorsHP(KW)1,000(735)1,500(1,118)2,000(1,419)Rated speed of motorsr/min 601 ... 27*44-7/8)770*1439(30*53-1/2)Brake rim(Dia.*Width)mm(in)1500*76( ...