Core Drilling Rigs

CDR 500 — Core drill rig

Name: CDR 500
Brand: KLR Universal
Rating: 5 (4 reviews)

Drill Diameter75.7″ to 96.0″

Depth200–500 m

CDR 500 — Core drill rig (NQ/HQ)

Built for deeper exploration and geotechnical programmes, the CDR 500 pairs a diesel powerpack with a high-strength mast (7,800 kgf pull-up, 4,700 kgf pull-down) and a versatile rotary head (160–1000 rpm, 40–250 kg·m). It delivers consistent core recovery up to 500 m in NQ and 300 m in HQ, maintaining steady penetration across mixed formations with reliable, field-ready operation.

Parameter	Value
Hole diameter	NQ: 75.7 mm HQ: 96.0 mm
Rated drilling depth	NQ: 500 m HQ: 300 m (overall capability varies by formation, compressor, and drill string; model range 200–400 m)
Prime mover	Diesel engine
Mast	Max pull-up force: 7,800 kgf Max pull-down force: 4,700 kgf
Rotary head	Speed range: 160–1000 rpm Max torque: 40–250 kg·m
Air compressor (compatible options)	Atlas Copco / ELGI / as per request — Capacity: 750–1250 cfm @ 250–350 psi