Re: 40 class bogies

Allan Brown (ajbrown@ozemail.com.au)
Wed, 08 Oct 1997 13:57:41 +1000

It is written that the NSWGR 40 class diesel electrics were a derivative
of the American RSD4/5 units, but suitably altered for local conditions.
Considering that the RSD4/5s had asymmetric bogies with all axles
driving, what prompted the change resulting in the 40 class having
equdistant A-1-A bogies? Why wasn't a Bo-Bo arrangement used?

Allan Brown