Cracked wheel casing theory for tilt train crash

<p>There is speculation that a cracked wheel casing might have contributed to last month’s Queensland Rail (QR) tilt train derailment north of Bundaberg.</p> <p>QR has not ruled a cracked casing as a factor, saying the cause of the incident was still under investigation, according to news.com.au.</p> <p>The discovery of the cracked wheel casing prompted QR to cancel last Friday night’s (December 3) tilt train service to carry out further checks on its other tilt train services, it was reported.</p> <p>Investigators have already released details that the train was travelling at 112 km&#47h when it derailed on a section of track rated at 60 km&#47h.</p> <br />