A friend of mine forwarded this to me.
Sandvik describes it as "Sandvik DT821-SC is a two boom electro-hydraulic jumbo for fast and accurate drilling in tunneling and cavern excavation. The hydraulic controlled drilling system with added automatic functions and optional instrumentation enable productive and high quality excavation. Sandvik RD525 rock drills deliver superior performance with high consumable life."
https://machineryline.info/-/sale/tunnel-boring-machines/Sandvik/DT-821-SC--23011119574400298300
Sandvik DT821-SC is a two boom electro-hydraulic jumbo for fast and accurate drilling in tunneling and cavern excavation. The hydraulic controlled drilling system with added automatic functions and optional instrumentation enable productive and high...
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://machineryline.info/-/sale/tunnel-boring-machines/Sandvik/DT-821-SC--23011119574400298300
Sandvik DT 821-SC tunnel boring machine
machineryline.infoSandvik DT 821-SC tunnel boring machine sale advertisement from Bulgaria. TBM. Price: price on request. Year of manufacture: 10/2014. Running hours: 1800 h. MB32055