DM-280EC Water & Air Dual-purpose Drill Rig

Products / Water well / Dual-purpose rigs / DM-280EC
DM-280EC
Water & air dual-purpose drill rig — switch between mud circulation and air (DTH / reverse circulation) drilling on one machine.
Weight: 3800 kg
Water well depth: 200 m
Engine: 42 kW / 2400 rpm
Weight
Net weight 3800 kg (8378 lb)
Drilling
Water well depth up to 200 m (656 ft)
Power
Engine 42 kW / 2400 rpm
Specifications
ParameterMetricU.S.
General
Weight3800 kg8378 lb
Dimension transport4600×1900×2540 mm181×74.8×100 in
Dimension working3800×2200×5700 mm150×86.6×224 in
Drilling angle90°90°
Drilling capacity
Drilling depth for water well200 m656 ft
Wireline coring N size350 m1148 ft
Borehole diameterφ75-220 mmφ2.95-8.66 in
Drill head feed stroke2300 mm90.6 in
Drill pipe diameterφ60 / φ76 / φ89φ60 / φ76 / φ89
Power & rotation
Engine modelYunnei YN27Yunnei YN27
Rated power/speed42 kW / 2400 rpm42 kW / 2400 rpm
Rotary speed RPMForward 33-1120 / Reverse 37-180Forward 33-1120 / Reverse 37-180
Max. torque9500 N.m7007 lbf·ft
Drill head lifting force100 kN22481 lbf
Drill head feeding force50 kN11240 lbf
Feed & mobility
Walking speed0-2 km/h0.00-1.24 mph
Climbing angle25-30° °25-30° °
Mechanical winch capacity30 kN6744 lbf
Crawler chassisRubber 350mm×56Rubber 350mm×56
Crawler load5000 kg11023 lb
Drilling system
Mud pumpBW160 / BW200 / BW250 (optional)BW160 / BW200 / BW250 (optional)