Tunneling jumbos
DT621
- Coverage
- 49.00 m²
- Hole length
- Up to 4.66 m
- Tramming type and distance
- Hydrodynamic transmission - Diesel engine - OM904LA (110 kW, Tier 3, Stage IIIA)
![DT621 Tunneling jumbo](/siteassets/images/underground-drill-rigs/tunneling-jumbo-rigs/dt621-main.jpg?width=480&height=293&rmode=crop&rsampler=bicubic&compand=true&quality=90&v=1695272755&hmac=d02c4303983a09ec97879966253a5aa5345df73a183aef847c71ee1ff87d993d)
Sandvik DT621 is a compact two-boom jumbo for fast, accurate tunneling and cavern excavation. Equipped with RD520 rock drill, it supports face drilling, cross-cutting and bolt-hole drilling.
Features
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Easy maintenance
This tunneling jumbo uses its built-in diagnostics system to minimize maintenance time and ensure operators receive all the information they need, when they need it.
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Reliable rock drill
The jumbo’s RD520 rock drill provides smooth and efficient drilling, delivering optimal results in your operations.
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Secure operator’s environment
DT621 offers you a choice between a FOPS-certified canopy and an optional FOPS/ROPS cabin to protect your operator from hazardous situations.
Product specifications
- Coverage
- 49.00 m²
- Hole length
- Up to 4.66 m
- Tramming type and distance
- Hydrodynamic transmission - Diesel engine - OM904LA (110 kW, Tier 3, Stage IIIA)
- Number of booms
- 2
- Feed length
- Fixed TF500 12 to 16 ft. or telescopic TXF 6-12 ft. to 8-14 ft.
- Hole diameter (face drilling)
- 43 - 64 mm
- Hole diameter (cut hole)
- 76 - 127 mm
- Rock drill
- RD520 20 kW
- Controls type
- THC561, hydraulic
- Weight
- 22,000 kg (depending on options)
![DT621 Tunneling jumbo](/siteassets/images/underground-drill-rigs/tunneling-jumbo-rigs/dt621-001.jpg?width=480&height=270&rmode=crop&rsampler=bicubic&compand=true&quality=90&v=1695272755&hmac=7ff3fcedc550fd258ff6d1835a54389e19fe3fe78199fa559b9803e70ecf219e)
Learn more about DT621 features
Optimally shaped booms
This tunneling jumbo has SB40 booms with stiff square shape profiles, offering full automatic parallelism and an ideally-shaped coverage area.
Well-balanced tramming
Operators can harness the powerful four-wheel-drive, steered carrier for a well-balanced, comfortable and controlled tramming experience.
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