[BUG n°1984049] diesel-mechanic-locomotive-not-double-heading

[Looky1173]

Imported from https://bugs.launchpad.net/bugs/1984049

Property	Value
Reported by	Peter Newell (coals-to-newcastle)
Date reported	Tue, 09 Aug 2022 07:27:25 GMT

This bug aims to fix two problems as follows:

i) Double headed Diesel Mechanic (DM) locomotives not being displayed if the same type

ii) Double headed DM locomotives, 2nd locomotive not changing gear

See this post for more detail on bug to be corrected -

http://www.elvastower.com/forums/index.php?/topic/35993-diesel-mechanical-locomotive/page__view__findpost__p__287258