UDS391

The UDS391 is a single-operator, single-boom electro-hydraulic cable bolter rig equipped with a SANDVIK LD30 hydraulic rock drill, a 66KW diesel engine, heavy-duty four-wheel drive, and articulated steering. The overall layout of the machine ensures both travel stability and good operator visibility in narrow drifts and tunnel construction. It offers high safety and is FOPS certified.

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Features

Efficient Operation

●Powered by an 11kW Sandvik LD30 hydraulic rock drill with a maximum torque of 420 Nm 

and a single impact energy of 170 kJ, delivering outstanding hard rock breaking capability.

●The 1:1 impact–feed follow-up function automatically increases impact pressure in hard 

rock to prevent jamming and enable faster collaring.

●Features automatic bolt installation, a resin cartridge delivery module, and a mesh hang-

ing module for high-efficiency roof support.

Reliable & Durable

●Utilizes core Sandvik system components, including the THC drilling control system, a 

500-impact-hour maintenance cycle, and a piston service life exceeding 5,000 impact hours.

Safety Features

●FOPS-certified canopy and safety pin design to protect against falling rocks.

Easy to Operate & Maintain

●Modular rock drill design, significantly simplifying maintenance.

●Integrated display for all machine status parameters. Visual and audible alarms provide 

timely fault warnings.

SPECS