Kaishan Underground Drilling Rigs/Underground Scaling Rigs (Rock Scalers)
KQ21
KQ21 is a Underground Scaling Drill Rig. Published technical specifications are shown in the model table. Confirm the final configuration, dimensions and site requirements before order.
Engine
YCF3675-T480，55.8kw/2200rpm
Weight
6500 kg
Overview
KQ21 is a Underground Scaling Drill Rig. Published technical specifications are shown in the model table. Confirm the final configuration, dimensions and site requirements before order.
Genuine Kaishan equipment supplied through our authorized distribution channel, with configuration, export coordination, spare-parts and after-sales support.
Specifications
Request the current specification sheet for this model using the button above.
Drilling capability
| Max working height (mm) | 6200 |
| Max working width (mm) | 5600 |
Engine & drive
| Engine power | YCF3675-T480，55.8kw/2200rpm |
Dimensions & weight
| Dimensions (mm) | 6000×1700×1840 |
| Weight (kg) | 6500 |
Drive & handling
| Swing angle | ±6° |
| Boom extension | 1200mm |
Performance & mobility
| Travel speed | 7km/h |
| Ground clearance (mm) | 230 |
| Gradeability | 14° |
Applications
- Underground mining
- Rock scaling
- Ground support
Recommended packages
Air compressor match
Underground jumbos run on the mine's electric/hydraulic supply — confirm voltage and water/air services at the heading. Where air is needed, match a KSDY electric compressor to the site power.
DTH hammer & bits
Kaishan underground rigs use premium hydraulic rock drills (Montabert HC50/HC95/HC109) for face and production drilling; the KSQ31 DTH model runs K-class hammers. Confirm rock drill model against your tunnel section.
Need a complete drilling package? Request a rig + compressor + tooling quote →
Frequently asked questions
What applications suit the KQ21?
Underground mining, Rock scaling, Ground support.
Which air compressor pairs with the KQ21?
Underground jumbos run on the mine's electric/hydraulic supply — confirm voltage and water/air services at the heading. Where air is needed, match a KSDY electric compressor to the site power.
Can the equipment be configured to my project?
Send your project details through the inquiry form and we will confirm the available configuration for the selected model before quotation.