
140 tunnel drilling jumbo · electro-proportional hydraulics · 2026-10-08
Application brochure
140 jumbo / document revision 2026.10.08
- Percussion and rotation
- Feed and compensation
- Boom positioning
- Outrigger support
- Canopy lift
- Steering auxiliaries
Related product categories
Electro-proportional directional valvesCounterbalance and hydraulic lock valvesCustom cartridge manifoldsPressure and pilot components
Valve models, spool flow ratings and controls are selected for the machine's operating conditions.
The application brochure and original drawing are in Chinese.


