Provides access without leaving the driller's cab

The T4BH is synonymous with mobility, power, performance, and productivity. Mounted on a custom carrier, the T4BH is designed to perform in rough terrain and has been the leading blasthole drill in its class in the quarry and mining industries for over 35 years. The T4BH offers optional angle drilling, remote propel, a 7-rod drill pipe changer, torque limit control and many other options to meet your drilling needs.

Main features

The new cab design allows a direct line of sight from the operator's seat to the drill table

The powerpack maximizes mechanical efficency and isaolates the components from drilling and propeling shock loads

Tower pinning is performed remotely from within the operator's cab

Technical data
Drilling method Rotary and DTH - Multi pass  Hole diameter 5 5/8'' - 9 7/8''   143 mm - 251 mm   Hydraulic pulldown 30,000 lbf 133 kN   Weight on bit 30,000 lb 13,600 kg Hydraulic pullback 22,000 lbf 97 kN Single pass depth options 22 ft 6 in or 27 ft 6 in  6.8 m or 8.4 m Maximum hole depth* 147 ft 6 in or 177 ft 6 in 45 m or 54.1 m   Estimated weight 58,000 lb 26 tonnes

* Total depth not avaliable for all pipe sizes