RIG #24 - DF 250-T, Powerful, Compact and Highly Manoeuvrable 4 x 4 Tractor Mounted Multipurpose Hydraulic Top Drive Drilling Rig
The DF250T is a powerful, compact and highly maneuverable, top head drive, tractor mounted drill, designed to drill up to 12 inch (305 mm) diameter holes using mud rotary methods with rig mounted mud pumps and hollow stem augers, and air rotary, DTH hammer and continuous wire line coring techniques. The tractor engine provides reliable power for all hydraulic, mud pump systems. The DF250T has been specifically designed for fast, efficient and safe site up on typically marginal access terrain such as hill country and soft ground, with high flotation tyres and unique rig “high lift” stabilization system.
22,000 lbs pullup
12-1/4” table opening
PTO driven from tractor engine
On board 4-1/2x5 duplex mud pump and triplex coring pump
223 fpm (67.9 mpm) pullup speed
MAST, Rectangular steel tube, all welded box beam. 6m OA length 4.0m head travel.
Main hoist, planetary with spring applied hydraulic release brake. 7,600 lb (3,447 kg) bare drum line pull 197 fpm (60.0 mpm) bare drum line speed
Wire line hoist 24,25lb pull, at 110m / min, 300m capacity
TOP HEAD ROTATION, four speed reduction oil bath gearbox with single heavy duty, variable speed, piston type motor operating in high or low speed. The system provides infinitely variable rotation speed. The top head hydraulically slides off hole for casing handling by wireline. 38mm diameter spindle thru hole.
Drill Force was established in early 2008, by a small group of motivated, working investors who were disappointed with the deteriorating skills and equipment levels then commercially available in New Zealand.