Sandvik Construction provides solutions for construction industries in niches such as quarrying, tunneling, demolition, dimensional stone, recycling and civil engineering.

DT1231 Tunneling jumbo

Our DT1231-SC is a three-boom electrohydraulic jumbo for fast and accurate tunneling and cavern excavation of 20-211 m². The DT1231-SC is equipped with electronic drilling control system, featuring added automatic functions and comprehensive choices for instrumentation level. Sandvik DT1231-SC can be used for face drilling, cross-cutting and bolt hole drilling.

Features and benefits:

  • Built-in diagnostics to minimize maintenance time
  • RD5 series rock drills for optimized drilling performance
  • Booms with large, optimally shaped coverage and full automatic parallelism
  • Powerful 4-wheel-drive wheel steered carrier for rapid and well-balanced tramming
  • Utility boom available as option
  • Noise and vibration insulated FOPS-certifed cabin with excellent visibility and ergonomics
  • Sandvik iSURE tunnel and underground excavation management tool available with TCAD/TLOG** instrumentation/data collection option
Key Specifications
Tunnel size 11 926 - 19 193 mm / 356 - 582 in
Coverage area 20 - 211 m² / 215 - 2 271 ft²
Hole diameter 45 - 64 mm / 1 ¾ - 2 ½"
Hole length Up to 6 180 mm
Rock drill RD525, 25 kW (33.5 hp)
Control system Electronic TPC561
Boom 3 x SB150
Elevating boom support YES
Feed TF500, 18 ft
Length 17 780 mm / 58 ft (with default feed)

Width

3 860 mm / 12.7 ft (drilling)

3 050 mm / 10 ft (tramming)

3 050 mm / 10 ft (transportation)

Height

4 670 mm / 15.3 ft (drilling)

3 670 mm / 12 ft (tramming)

Weight (depending on options)

42 000 kg / 92 594 lbs (basic)

48 000 kg / 105 822 lbs (with utility boom)

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