| Conversion Kit KC102A - Baltimore & Ohio M-26D/E box car early versions (1928-1955) - includes resin underframe and decals |
| Conversion Kit KC102B - Baltimore & Ohio M-26D/E box car late versions (1955-1960s incl. Timesaver and Sentinel schemes) - includes resin underframe and decals |
| Conversion Kit KC102XA - Baltimore & Ohio M-26D/E box car early versions (1928-1955) - includes undecorated Red Caboose ARA box car kit, resin underframe and decals |
| Conversion Kit KC102XB - Baltimore & Ohio M-26D/E box car late versions (1955-1960s incl. Timesaver and Sentinel schemes) - includes undecorated Red Caboose ARA box car kit, resin underframe and decals |