Author: Scott Cummings, Senior Scientist, Transportation Technology Center, Inc. and Sawan Dumbre, Senior Product Development Engineer, TTX Company

RCF tread surface damage on a wheel removed from a car with disabled brakes. (TTCI picture)

TTCI R&D: Effects of Braking on Wheels

RAILWAY AGE MAY 2021 ISSUE: As part of the Association of American Railroads’ (AAR) Strategic Research Initiatives program, Transportation Technology Center, Inc. (TTCI) investigated the effects of tread braking on wheel wear and tread surface damage by monitoring the performance of three articulated five-unit well cars and five coal hopper cars with disabled brakes operating in otherwise normal revenue service conditions.