Products > Continuous-mining and tunneling machines > Roadheaders - tunnel miners >
MR300


Former name: AM 75
The Sandvik MR300 series roadheaders are the most popular roadheaders in their class. Due to extremely high availability and cutting performance, maximum efficiency and profitability is guaranteed. The MR300 has achieved production records worldwide in various materials (coal, rock, gypsum, potash and salt) and also in roadway development.
Integration of well proven technology into one machine has resulted in better advance rates under tough mining and restricted space conditions.
Four models are available, tailored to suit a wide range of operating heights.

  • Features
  • Well proved in various materials with an unconfined compressive strength up to 100 MPa
  • Maximum dust suppression and ignition prevention due to High Pressure Pick Flushing System
  • Easy and rapid assembly and disassembly through modular design
  • Proportional load sensing hydraulic system for optimal energy utilisation





  • Models



MR320

MR340

MR360

MR 380

Dimensions





Machine weight

52 t

52 t

52 t

52 t

Machine length

10,0 m

10,0 m

10,0 m

10,0 m

Machine height

1,7 m

1,7 m

1,7 m

4.1m


Cutting profile





Width, max.

7.4 - 7.6 m

7.4 - 7.6 m

7.4 - 7.6 m

7.4 - 7.86 m

Height, max.

4.54 m

4.85 m

5.0 m

6.3 m


Installed electric power





Total installed power

350 kW

350 kW

350 kW

350 kW

Cutter motor

200 kW

200 kW

200 kW

200 kW

Download brochure
(692 KB, Jan 2010)
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