There are some available on the DLS:
<kuid:404894:100944> Boxcar Berwick 50 ft C&O
<kuid:404894:100639> Boxcar Berwick 50 ft GTW weathered V2
<kuid:404894:100119> Boxcar Berwick 50 ft C&O Weathered
<kuid:101046:103061> Boxcar Berwick 50 ft Burlington Northern DES
<kuid:404894:100637> Boxcar Berwick 50 ft GTW
<kuid:404894:100638> Boxcar Berwick 50 ft GTW weathered V1
<kuid:101046:100025> Boxcar Berwick 50 ft Genesee and Wyoming DES
<kuid:101046:103066> Boxcar Berwick 50 ft Baltimore and Ohio DES
<kuid:101046:103117> Boxcar Berwick 50 ft Maine Central DES
<kuid:101046:103030> Boxcar Berwick 50 ft St Lawrence DES
<kuid:101046:103024> Boxcar Berwick 50 ft RailBox DES
<kuid:101046:103023> Boxcar Berwick 50 ft Undecorated DES
<kuid:101046:103029> Boxcar Berwick 50 ft Virginia Central DES