Core Drilling Rigs
CDR 750 — Core drill rig
Drill Diameter
75.7″ to 96.0″
Depth
100–750 m

CDR 750 — deep core capability with stable control.
A diesel powerpack, high-capacity mast (11,400 kgf pull-up, 4,500 kgf pull-down) and wide-range rotary head (160–1000 rpm, 50–310 kg·m) support consistent NQ/HQ core recovery. The rig is configured for demanding exploration programmes, achieving up to 750 m (NQ) and 500 m (HQ) in mixed formations with reliable field operation.
Product Specifications
Why KLR Universal
- 40+ years of expertise
- Industry leader
- Trusted in 60 countries
- Excellent after-sales support
| Parameter | Value |
|---|---|
| Hole diameter | NQ: 75.7 mm HQ: 96.0 mm |
| Rated drilling depth | NQ: 750 m HQ: 500 m (overall capability varies by formation, compressor, and drill string) |
| Prime mover | Diesel engine |
| Mast | Max pull-up force: 11,400 kgf Max pull-down force: 4,500 kgf |
| Rotary head | Speed range: 160–1000 rpm Max torque: 50–310 kg·m |
| Air compressor (compatible options) | Atlas Copco / ELGI / as per request — Capacity: 750–1250 cfm @ 250–350 psi |