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    SECL adds Gainwell highwall miner at Sharda: recovery and geotechnical notes

    April 22, 2026|

    Reviewed by Tom Sullivan

    SECL adds Gainwell highwall miner at Sharda: recovery and geotechnical notes

    First reported on International Mining – News

    30 Second Briefing

    A new highwall mining machine from Gainwell Engineering was inaugurated on 19 April 2026 at the Sharda Open Cast Mine in SECL’s Sohagpur Area, adding to Coal India’s growing fleet of highwall units. SECL has used highwall mining since the early 2010s, applying the method to extract residual coal from exposed highwalls where dragline or shovel–dumper operations have reached economic or geotechnical limits. The additional unit should increase recovery from existing highwalls while deferring new box-cutting and overburden removal.

    Technical Brief

    • Highwall miner supplied by Gainwell Engineering, extending its installed base within Coal India operations.
    • SECL’s prior highwall mining experience since early 2010s reduces ramp‑up risk for the new unit.
    • Deployment under Coal India ownership structure implies centralised procurement, maintenance standards and spares logistics.
    • Sharda OCM integration suggests highwall mining is now standardised within Sohagpur Area mine planning.
    • Additional Gainwell unit indicates OEM–SECL relationship maturing from trial deployment to fleet‑level adoption.
    • For other Indian opencast coal mines, the move signals Coal India’s willingness to scale highwall fleets.

    Our Take

    Coal pieces in our database this month are dominated by underground longwall and large-scale acquisitions (e.g. Yancoal’s Kestrel deal and Malabar’s Maxwell longwall start-up), so SECL’s deployment of another highwall miner at Sharda OCM highlights a contrasting strategy of extracting residual reserves from existing open pits rather than pursuing new underground capacity.

    Highwall mining has been in use since the early 2010s at Sharda OCM, and in our coverage this method typically appears where operators, like Whitehaven Coal in its portfolio build-out, are looking to extend mine life and defer rehabilitation costs while staying within existing surface disturbance envelopes.

    For Gainwell Engineering, supplying additional highwall units into SECL and the wider Coal India ecosystem positions the company differently from the Australian-focused OEM and contractor base seen in recent Yancoal and Whitehaven coal items, suggesting a growing domestic equipment supply chain for Indian highwall operations.

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    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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