... dri Portable water well drilling rig AKL-L-180 Features:(1)AKL-L-180 is a kind of portable hydraulic drilling ... hole and blast hole Main technology parameters: Drill depth (m)180,150,120,90,70,30Drilling diameter75,91,110,130,150 ... 142.310.620Spindle stroke(mm)450HoistMax.xingle line hoisting capacity(Kb)0.2008Reel lifting speed(rm/s)17,35,75, ... /min)1460 Portable water well drilling rig AKL-L-180