DTH Drilling Rig
DTH Drilling Rig
HW-UJ33 Underground Jumbo Drilling Machine
Diesel engine power: 179kW
Electric motor power: 220kW
Drill Diameter: 64-89 mm

HW-UJ33 underground drilling jumbo used for highway, railway, hydropower and other medium-sized tunnel excavation, anchor construction, and equipped with heavy drilling booms and a service platform, all-round high standard configuration to meet the different needs of customers.

The design of the independent pilot-type drilling hydraulic system with 9 patents of 2 invention patents. With 15 of intelligent control and protection functions, better maneuverability, more stable and reliable.


Here are the key specifications for this product model. Want more details? Please contact us!

Service Platform
Parallel HoldingTotalBoom Swing angle±45º
Max.Working Height (from Botton): 12000mm
Rated Load600kg
Total Length6110mm6776mm7386mm7996mm
Rod Length4305491555256135
Rod Depth4013462352235843
Lift Force20.0KN20.0KN20.0KN20.0KN
(ZY104) Drifter (ZY104)
Jumbo top to rotation unit center88mmRotation Speed0-388rpm
Impacting Power20kWRotation torque (Max.): 680N.m
Impacting Frequency60HzWeight170Kg
Feed Extension1800mmBoom lifting angle (Max.)+68º/-45º
Boom Extension1600mmBoom Swing angle (Max.)±45º
Parallel HoldingTotalFeed tilt+3º/-90º
Feed Beam roll over360º
Electric system
Total power220kWStarting Mode
Star/Delta/Unloading start
Main electric motor3*55kW
Frequency50-60HzCabl reel capacity100M
Shank adaptor
Screw air compressor system
Electric Pressurized Water Pump
Max.working pressue17barMax.Flow300L/min
Water hose reel capacity100mPower15kW
Diesel EngineCummins QSL8.3-C240-III
Rated engine power (2, 200rpm): 179kW
Approach angle & departure15ºTyre14.00*R24
Hydraulic support leg4 PCSDriving brakeTwo independent loops
Emergency stop & parking brakeSHARFuel tank capacity150L
Gradient at Max.Load"1:4Hydraulic Oil Tank750L
Tramming speed17/10/5km/h
T38-D38-T38*6135mmφ64-89mm bolting
R32-D32-R32*6135mmφ64-89mm bolting
T38-H32-R32*6135mmFace drilling
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