Sandvik MB451 is an MSHA-approved flameproof (FLP) bolter miner designed for roadway development in seams from 1.8 to 3.6 meters in height (6 to 12 feet), and has been specially designed for mid-seam, long-wall developments with medium coal hardness.

Sandvik MB451 is a wide-head continuous miner with special design features for cutting, loading and ground support. Sandvik MB451 effectively integrates proven technologies to offer better advance rates under tough mining conditions and in restricted spaces.


  • Slide mechanism offers simultaneous cutting and bolting, enabling higher advance rates
  • Automated Temporary Roof Support (ATRS) for higher operator safety and machine stability
  • Stationary main frame during cutting operation guarantees no floor damage
Technical data
Cutter motor power 422 kW
Electric power supply 995 V
Ground clearance 200 mm
Installed power 690 kW
Loading capacity 27 t/min
Cutting height 1,800 - 3,600 mm
Cutting width 4,700 - 4,900 mm
RPM of cutter drum 64 rpm
Max. tram speed 55 m/min