Feeder breaker


  • Seam Height Greater than 200 cm Greater than 78 in
  • Throughput (Standard) Up to 800 MTPH Up to 800 TPH
  • Breaker Pick force Up to 36 823 kg Up to 81,180 lbs.

Integral to your operation’s productivity

Developed to provide the same traditional reliability and low cost of ownership as previous designs, the UFB-14S reduces manufacturing lead times, drives improved inventory and is more maintenance-friendly.

  • Lower total cost of ownership than a custom solution
  • More maintenance friendly; improved parts availability*
  • Reduced manufacturing lead time*
  • *Compared to a custom Komatsu solution

Features and benefits

Komatsu crushing joy underground feeder breakers in mining site

Promotes increased productivity

Since the feeder breaker is located closer to the working face, haulage distances and travel times are reduced, resulting in increased production and efficiency of the remaining section equipment.
Komatsu UFB breaker crawler assembly on white background

Easier section moves

Equipped with a powerful crawler drive system for quick, efficient belt moves. Plus, the feeder breaker can be connected to the conveyor belt to move them both simultaneously, saving time.
Komatsu GPL2112 underground feeder breaker image

Optidrive VFD [option]

Joy Optidrive, an AC variable-frequency drive system, integrates software with the electronic and mechanical systems to provide precise conveyor speed control and breaker overload protection.
Komatsu ufb splined breaker drive in white background

Splined breaker shafts

Splined connection versus a compression connection can reduce assembly and disassembly time by more than 50%, reducing downtime for replacement and service. Splined connection is also 25% stronger than previous connections.* *based on internal testing
Komatsu ufb bolt on flights in white background

Bolt-on flights [option]

Downtime to replace conveyor flights is reduced by up to 75% with an easy bolt-on, alloy steel flight design. Operators have the flexibility to add additional flights and improve product sizing.
Komatsu BH20 room and pillar battery haulers training

Camera system

Forward and rearward cameras provide remote monitoring of haulage equipment receiving payload and discharging onto the material handling system.