My guess would be that C-56-150's front hook is a mod as I have not seen a released one before but that doesn't mean I have missed one. Without the benefit of more pictures its hard to tell. If you look real close you can see the on/off switch on its roof so its not a tandem, dummy steam engine which, off the top of my head, was only two. The C-12 (tank) and C-62 (tendered)
![[Image: 7071.gif]](https://www.allsmileys.com/files/sweetim-texticons/7071.gif)