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● Hole Diameter: 32-64mm
● Coverage area: 34 m²
● Hole depth: 4050mm
● Steering angle: ±35 degree
Underground Drilling Jumbo UD392
UD392 Underground Drill is a high-end equipment. The structure and system of the whole machine are derived from Sandvik's classic design. The main components are all from well-known international brands. It can be used in the tunnel construction of underground mines, hydropower, railways, highways, etc.
Efficient and stable drilling with high product reliability
World famous Sandvik Tamrock Drifter and SLU system.
Stable and verified CBI direct drilling control system.
Key components from global brand of Rexroth, Parker, Cavote, etc.
Robust and flexible boom with very big drilling coverage of 34m2
Easy to operate
Automatic feed parallelism function
Anti-jamming, rock drill automatic stop and return.
Operation station ergonomic layout.
Wide visibility from the canopy.
Easy to maintenance
Central lubrication system.
Central pressure testing system.
All daily maintenance could be done on ground level.
High safety
FOPS canopy.
Safety warning and interlock.
Product Parameters
Model | UD392 |
Hole Diameter Enlarge the drill’s diameter |
32-64mm 76-127mm |
Coverage area | 34 m² |
Rock Drill | LD50 18KW |
Hole depth | 4050mm |
T-section width in turning | 2750mm |
Steering angle | ±35 degree |
Engine | YC4D90-T310 |
Weight | 11800kg |
Length | 10600mm |
Width | 1690mm |
Height | 2415/2940 mm |

18kW Sandvik Rock equipped with LD50 hydraulic rock drill has more advantages in different rock types. High piercing speed and drill life. Rugged LG-26NV Drill Arm. With propelling beam 3600 slewing and automatic leveling, larger and better break. Face coverage for fast and precise drilling and many other uses drilling. Automatic control of directly controlled LG-IBC drilling hydraulic system. Controls ensure that operators can focus on safety and speed And precise drilling operations.
UD392 equipped with high-power diesel engine, heavy-duty four-wheel drive, articulated steering and FOPS standard safety ceiling. The overall arrangement of the trolley ensures that the trolley is in narrow aisles and engineering tunnels. Medium driving stability and operating vision. All routine maintenance of the trolley can be performed on the ground. The trolley is easy to operate, ensuring fast and safe driving of the trolley.


Model | UD392 |
Hole Diameter Enlarge the drill’s diameter |
32-64mm 76-127mm |
Coverage area | 34 m² |
Rock Drill | LD50 18KW |
Hole depth | 4050mm |
T-section width in turning | 2750mm |
Steering angle | ±35 degree |
Engine | YC4D90-T310 |
Weight | 11800kg |
Length | 10600mm |
Width | 1690mm |
Height | 2415/2940 mm |