Kaishan Surface Drilling Rigs/KD Series DTH Drill Rig
KD55
The KD55 is a Kaishan KD-series surface down-the-hole drilling rig with a 115–152 mm drilling-diameter specification. Its stated rock-hardness range is f=6–20. The power package uses Cummins QSL8.9-C360-30. The screw-compressor specification is two-stage compression; 20 m³/min at 22 bar. The feed system uses motor + roller chain. Travel control: Hydraulic pilot control. Drilling control: Hydraulic pilot control. Anti-jamming: Automatic electro-hydraulic anti-jamming. Cab protection: Meets FOPS and ROPS protection requirements. Cab interior noise: Below 85 dB(A). Seat: Adjustable. Air conditioning: Heating and cooling, standard. Entertainment: Radio + MP3.
Dimensions & weight — Transport dimensions (L×W×H)
9900×2600×3350/3600 mm
Dimensions & weight — Machine weight
17500 kg
Rock hardness
f=6–20
Drilling diameter
115–152 mm
Overview
The KD55 is a Kaishan KD-series surface down-the-hole drilling rig with a 115–152 mm drilling-diameter specification. Its stated rock-hardness range is f=6–20. The power package uses Cummins QSL8.9-C360-30. The screw-compressor specification is two-stage compression; 20 m³/min at 22 bar. The feed system uses motor + roller chain. Travel control: Hydraulic pilot control. Drilling control: Hydraulic pilot control. Anti-jamming: Automatic electro-hydraulic anti-jamming. Cab protection: Meets FOPS and ROPS protection requirements. Cab interior noise: Below 85 dB(A). Seat: Adjustable. Air conditioning: Heating and cooling, standard. Entertainment: Radio + MP3.
Key highlights
- ✓Feed mechanism: Motor + roller chain.
- ✓Screw compressor: Two-stage compression; 20 m³/min at 22 bar.
- ✓Anti-jamming: Automatic electro-hydraulic anti-jamming.
- ✓Travel control: Hydraulic pilot control.
- ✓Drilling control: Hydraulic pilot control.
- ✓Cab protection: Meets FOPS and ROPS protection requirements.
- ✓Cab interior noise: Below 85 dB(A).
- ✓Seat: Adjustable.
- ✓Air conditioning: Heating and cooling, standard.
- ✓Entertainment: Radio + MP3.
- ✓Carrier leveling: Up 10°; down 10°.
Applications: Surface down-the-hole drilling with 115–152 mm holes in rock rated f=6–20.
Specifications
Request the current specification sheet for this model using the button above.
Dimensions & weight
| Transport dimensions (L×W×H) | 9900×2600×3350/3600 mm |
| Machine weight | 17500 kg |
Other specifications
| Rock hardness | f=6–20 |
| Drilling diameter | 115–152 mm |
Performance & mobility
| Ground clearance | 420 mm |
| Track leveling | Up 10°; down 10° |
| Travelling speed | 0–3 km/h |
| Gradeability | 25° |
| Traction force | 100 kN |
Other specifications
| Maximum rotary torque | 3450 N·m |
| Rotation speed | 0–120 rpm |
| Drill-boom lift | Up 47°; down 20° |
| Drill-boom swing | Right 50°; left 15° |
| Carriage swing | Right 96°; left 30° |
| Feed-beam tilt | 114° |
| Compensation stroke | 1353 mm |
| Feed stroke | 4490 mm |
| Maximum propelling force | 40 kN |
| Feed mechanism | Motor + roller chain |
| Economical drilling depth | 28 m |
| Rod capacity | 6+1 |
| Drill rod (diameter×length) | Φ76 / Φ89×4000 mm |
| DTH hammer | 4 in / 5 in |
| Engine | Cummins QSL8.9-C360-30 |
| Number of cylinders | 6 |
| Output power | 264 kW at 2200 rpm |
| Hydraulic pump | 5 gear pumps |
| Screw compressor | Two-stage compression; 20 m³/min at 22 bar |
| Travel control | Hydraulic pilot control |
| Drilling control | Hydraulic pilot control |
| Anti-jamming | Automatic electro-hydraulic anti-jamming |
| Voltage | 24 V DC |
| Cab protection | Meets FOPS and ROPS protection requirements |
| Cab interior noise | Below 85 dB(A) |
| Seat | Adjustable |
| Air conditioning | Heating and cooling, standard |
| Entertainment | Radio + MP3 |
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 KD55?
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Which air compressor pairs with the KD55?
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.