Sandvik–SRG Leopard DI650i rebuild: maintenance life benchmarks for drill engineers
Reviewed by Tom Sullivan
First reported on International Mining – News
30 Second Briefing
Sandvik and SRG Global have rebuilt a Leopard DI650i down-the-hole drill rig after its rotary head, compressor and hydraulic pumps each reached 25,000 uninterrupted operating hours before first major overhaul, reportedly the highest global hours for these components. The performance is attributed to a proactive maintenance strategy combining OEM remote monitoring with site-based condition inspections and scheduled component change-outs. For drill and fleet engineers, the case gives a benchmark for component life on high-utilisation rotary blast-hole rigs and supports life-cycle cost planning for similar DTH fleets.
Technical Brief
- Documented component life and rebuild data give input for mine risk registers and bow-tie analyses for drilling hazards.
- Case supports formalising condition-based maintenance regimes for blast-hole fleets as a control in site SHMS frameworks.
Our Take
Sandvik features heavily across recent Mining coverage in our database, from the 23-unit underground fleet at Bellevue Gold to new CH662 cone crushers in South Africa, signalling that OEM support and lifecycle services are becoming as important as the iron itself for contractors like SRG Global.
The tungsten and tungsten carbide cost pressures highlighted in the 15 June piece involving Sandvik and International Mining make structured rebuild and proactive maintenance strategies on rigs such as the Leopard DI650i more attractive, as they help operators sweat high-cost wear components for longer without compromising safety.
With Sandvik also pushing new products like the all‑electric Commando DC310RiE surface drill, a visible rebuild programme with SRG Global suggests the company is trying to keep both legacy and next‑generation fleets under a common service and data umbrella, which can simplify reliability and safety management for multi‑site contractors.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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