They are there, units that are removable (I have seen the sane design on Proto 2000 GP18s) I have taken them off to allow for stripping of the body but that is on hold pending delivery of a fresh supply of IPA.
Meanwhile, I completed the refurbishment of a GE 44 tonner:
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I needed a small cheap critter to head shunt the freight line at Coppertown and this fitted the bill. Simple respray and a service of the rather odd chassis:
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CWRR is for Center West Railroad who were my first fictional shortline outfit and who occasionally make cameo appearances on my current set up, the story being they had a nice lucrative sideline in overhauling and renting out older loco models to small shortlines.