All catalogs have faded or smudged covers but pages are intact and unmarked unless otherwise stated.  All catalogs $35 each.

Models D-500, DS-500, DR-500 parts catalog MT-49

Models D-216T and DS-216T six wheel parts catalog MT-46, bit of damage to back cover and back pages.

Model D-5 parts catalog MT-39

Models DR-346T and D-346F parts catalog MT-48, cover and page damage in lower right corners up to page 28. 

Models D-246T, DS-246T, DR-246T and D-246F six wheel parts catalog MT-47

Models D-300 and DS-300 parts catalog MT-40