Kaishan Surface Drilling Rigs/Mid-size Crawler DTH Drill Rig Series
KG940A
The KG940A is a diesel-powered surface DTH drilling rig for 105–203 mm holes. A Yuchai DKC2G3 engine rated at 73.5 kW at 2200 r/min drives the hydraulic system through a transmission box. The dual-motor rotary head provides two working-speed ranges, while the extended multi-angle boom supports vertical, fan-shaped and high- or low-position horizontal drilling.
Machine weight
6450 kg
Overall dimensions (L × W × H)
6150×2260×2600 mm
Rock hardness
F=6–20
Hole diameter
105–203 mm
Overview
The KG940A is a diesel-powered surface DTH drilling rig for 105–203 mm holes. A Yuchai DKC2G3 engine rated at 73.5 kW at 2200 r/min drives the hydraulic system through a transmission box. The dual-motor rotary head provides two working-speed ranges, while the extended multi-angle boom supports vertical, fan-shaped and high- or low-position horizontal drilling.
Key highlights
- ✓Integral chassis with a lower, forward-positioned center of gravity, five supporting rollers and ±10° track leveling.
- ✓Dual-speed piston travel motors and an integral track anti-derailment guard.
- ✓Dual-motor rotary head with a switching valve for two working-speed ranges and a shock-absorbing buffer.
- ✓Hydraulic-cylinder and 24B roller-chain feed; manganese-steel guide rails with integral wear-resistant pressure plates.
- ✓Hydraulic valve groups and cylinders, high-efficiency hydraulic pumps and enlarged valve passages; an integrated instrument panel monitors operating status.
- ✓Extended multi-angle boom for vertical, left/right fan-shaped and high- or low-position horizontal drilling.
Applications: Drilling in open-pit mining and hydropower projects. · Road construction, foundation anchoring and tunnel construction. · Drilling for photovoltaic pile foundations.
Specifications
Request the current specification sheet for this model using the button above.
Other specifications
| Machine weight | 6450 kg |
| Overall dimensions (L × W × H) | 6150×2260×2600 mm |
| Rock hardness | F=6–20 |
| Hole diameter | 105–203 mm |
| Rotary working speed | 0–65 (0–130) rpm |
| Maximum rotary torque | ≥3200 N·m (250 motor) |
| Lifting force | 30 kN |
| Feed method | Hydraulic cylinder + 24B roller chain |
| Feed stroke | 3800 mm |
| Travel speed | 0–3 km/h |
| Gradeability | ≤30° |
| Ground clearance | 320 mm |
| Feed beam pitch | Down 135°; up 50° |
| Feed beam swing | Left 45°; right 45° |
| Drill boom pitch | Down 50°; up 25° |
| Drill boom swing | Left 45°; right 45° |
| Track leveling angle | ±10° |
| Feed beam compensation | 1200 mm |
| Engine | Yuchai DKC2G3; 73.5 kW at 2200 r/min |
| DTH hammer | 3–6 in |
| Drill rod | Ø76 × 3000 mm |
| Air consumption | 15–26 m³/min |
| Dust collector | Not equipped |
Applications
- Open-pit mining
- Bench blasting
- Production drilling
Recommended packages
Air compressor match
Match a KSCY mobile air compressor to the hammer size and your hole plan — send us the hole diameter, depth and rock conditions and we confirm the exact pairing before quotation.
DTH hammer & bits
Match the DTH hammer class to your hole diameter (K3/K30C for 90-105 mm, K5/K50 for 135-165 mm, K8/K80 for 195-254 mm) — see the DTH hammer series page.
Need a complete drilling package? Request a rig + compressor + tooling quote →
Frequently asked questions
What applications suit the KG940A?
Open-pit mining, Bench blasting, Production drilling.
Which air compressor pairs with the KG940A?
Match a KSCY mobile air compressor to the hammer size and your hole plan — send us the hole diameter, depth and rock conditions and we confirm the exact pairing before quotation.
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.
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Related articles
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