Core Drilling Rigs

CDR 750 — Core drill rig

Drill Diameter75.7″ to 96.0″

Depth100–750 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.

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