Global-CE > Underground Drill Rigs > SANDVIK Underground Drill Rigs > SANDVIK DT821 Tunneling jumbo
SANDVIK DT821 Tunneling jumbo

SANDVIK DT821 Tunneling jumbo

Product Feature

  • RD5 series rock drills deliver superior performance with high consumable life
  • Universal booms with large optimum shaped coverage and full automatic parallelism
  • Optional utility boom for bolting and utility works
  • Powerful four-wheel-drive center articulated carrier ensures rapid tramming and good balance

Product Parameter

Technical data
Tunnel size 8,420 - 14,210 mm (331.5 - 559.5 in.)
Coverage area 12 - 110 m² (129 - 1,184 ft²)
Hole diameter 43 - 64 mm (1 ¾ - 2 ½ in.)
Hole length Up to 6,180 mm
Rock drill RD520, 20 kW (27 hp) DT821, DT821-C
RD525, 25 kW (33.5 hp) DT821-SC
Control system Hydraulic THC 561 (DT821, DT821-C)
Electronic TPC 561 (DT821-SC)
Boom 2 x SB90
Elevating boom support NO
Feed TF500, 16 ft
Length 14,930 mm (49 ft) with default feed
Width (DT821) 3,000 mm (10 ft) drilling
3,000 mm (10 ft) tramming
2,500 mm (8 ft) transportation
Height (DT821) 3,600 mm (11.8 ft) drilling
2,750 mm (9 ft) tramming
Weight (DT821, depending on options) 26,500 kg (58,422 lbs) basic
28,900 kg (63,714 lbs) with utility boom

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