Kaishan drilling rigs
Mid-size Crawler DTH Drill Rig Series
Mid-size crawler DTH rigs, Yuchai diesel 58-73 kW, 25 m economical depth — matched with a separate air compressor for open-pit mine bench blasting.
Applications
- Open-pit mining
- Bench blasting
- Production drilling
Key features
- ✓Mid-size crawler DTH rigs, Yuchai diesel 58-73.5 kW
- ✓Φ90-130 mm holes with 25 m economical bench depth
- ✓Combined diesel + electric drive on select models (KG420S/SH)
- ✓Hydraulic rod handling and dust collection system
- ✓Runs with a separate air compressor — match capacity to hole size
Quick Selection Guide
Use the published hole range, drive arrangement and duty notes to narrow the KG Series range before opening a model page.
90–130 mm general bench drilling
KG420B / BH / S / SH / T / TH; KG430 / KG430H widen coverage to 90–152 mm.
105–152 mm / faster relocation
Published 0–4 km/h travel speed for larger benches with more holes per shift.
Diesel + electric operation
Combined diesel + 55 kW electric drive where grid power is available on the bench.
Not sure which model fits your project? Send your hole diameter, depth, site conditions and compressor requirement — we will confirm the match before quotation.
Full Specification Comparison
Compare all models below. Click any model name to view full specifications and inquiry details.
| Model | Machine | Hole diameter (mm) | Drilling depth (m) | Weight (kg) | Dimensions (mm) | Travel speed |
|---|---|---|---|---|---|---|
| KG420B → | KG420B Surface DTH Drilling Rig | Φ90-130 | 25 | 4150 | 5500×2250×2350 | 0-2.5 km/h |
| KG420BH → | KG420BH Surface DTH Drilling Rig | Φ90-130 | 25 | 4350 | 5600×2450×2350 | 0-2.5 km/h |
| KG420S → | KG420S Surface DTH Drilling Rig | Φ90-152 | 25 | 5800 | 6400×2250×2700 | 0-2.5 km/h |
| KG420SH → | KG420SH Surface DTH Drilling Rig | Φ90-152 | 25 | 6100 | 6400×2420×2700 | 0-2.5 km/h |
| KG420T → | KG420T Surface DTH Drilling Rig | Φ90-152 | 25 | 5050 | 5300×2250×2400 | 0-2.5 km/h |
| KG420TH → | KG420TH Surface DTH Drilling Rig | Φ90-152 | 25 | 5350 | 5300×2450×2400 | 0-2.5 km/h |
| KG430 → | KG430 Surface DTH Drilling Rig | Φ90-152 | 25 | 5250 | 6300×2250×2700 | 0-2.5 km/h |
| KG430H → | KG430H Surface DTH Drilling Rig | Φ90-152 | 25 | 5700 | 6300×2400×2700 | 0-2.5 km/h |
| KG520 → | KG520 Surface DTH Drilling Rig | Φ105-152 | 25 | 6500 | 6800×2200×2850 | 0-4 km/h |
| KG520H → | KG520H Surface DTH Drilling Rig | Φ105-152 | 25 | 7000 | 6800×2350×2850 | 0-4 km/h |
| KG726HIII → | Surface DTH Drilling Rig (with dust collector) | Φ90-115 | 25 | 4400 | 5600×2600×2300 | 0-2.5 km/h |
| KG726III → | KG726III Surface DTH Drilling Rig | Φ90-115 | 25 | 4200 | 5600×2400×2300 | 0-2.5 km/h |
| KQLG-115 → | KQLG-115 DTH Mining Drilling Rig | Φ90-152 | 25 | 6450 | 7300×2420×2700 | 0-2.5 km/h |
| KG550 → | KG550 Surface DTH Drilling Rig | φ115-254 | — | 6200 | 6500×2350×2400 | 0-3 km/h |
| KG940A → | KG940A Surface DTH Drilling Rig | φ105-203 | — | 6450 | 6150×2260×2600 | 0-3 km/h |
| KG940AH → | KG940AH Surface DTH Drilling Rig | φ105-203 | — | 6900 | 6500×2260×2600 | 0-3 km/h |
Note: Engine power parameters are pending verification for part of this range — contact our sales team for the figures on specific models.
Configuration & customization
Each rig can be configured to your project. Standard and optional packages include:
- Dust collection system
- Electric drive variant
- Rod carriage
- Remote monitoring
Frequently asked questions
How do I choose between KG420B and KG420BH?
Compare the two rows in the model table above — focus on hole diameter, drilling depth and power against your project conditions. Our team can confirm the match for your site.
What applications is this series suited to?
Open-pit mining, Bench blasting, Production drilling.
Can the equipment be configured to my project?
Yes — standard and optional packages are listed under Configuration & customization above. Send your project details through the inquiry form and we will confirm the matching configuration.
Related series
Crawler DTH Drill Rig with Integrated Air Compressor
Full-range crawler DTH rigs, 90-254 mm holes, with the air compressor built in — for quarry, construction and slope drilling.
View series →Compact Crawler DTH Drill Rig with Integrated Air Compressor
Compact crawler DTH rigs (7.9-15 t), 90-130 mm holes, air compressor built in — easy to relocate for small mines and quarries.
View series →Top Hammer Drill Rig — Φ76-127 mm · 25 m
Full hydraulic top hammer drill rig, 76-127/64-115 mm holes, 25 m depth, 17.5 t — for road cuts, foundations and open-pit bench blasting.
View series →