It is a pupular and widely used product in highway, railway, and big-diameter pile viaduct piers and in the pile of the construction of high ***** products adopt imported engine and hydraulic components from well-known international suppliers, which guarantees the product has reliable and excellent performance. The drilling diameter ranges from 1000mm to 2500mm with drilling depth up to 75m.

SW21 Technical Specifications

Max. drilling diameter (mm): 1500 (cased)/2000 (uncased); Max. drilling depth(mm): 60(5 sections)/48(4 sections); Min. Working Radius(mm): 3820;
Engine:Cummins QSM9-325, 242kw, EURO III emission, turbo charging;
Rexroth hydraulic parts, intellectually-controlled driving system;
Undercarriage telescopic, with track shoes 800mm;
Mast self-load & unload