Complete CUMMINS DIESEL ENGINE PARTS MANUAL total of 20 Manuals with Folder from 1970′s. H-NH-5 1/8 Bore, 743 Series. NH-5 1/2 Bore, 855 Series. NT-5 1/2 Bore, 855 Series. J-41/8 Bore, 401 Series. HS, NS 5 1/8 Bore, 743 Series. H-NH 5 1/8 Bore, 743 Series. NT 5 1/8 Bore 743 Series. NH 5 1/2 Bore, 855 Series. NT 5 1/2 Bore, 855 Series. NTC 335 – B. This folder package was originally put together by Cummins for Sub-Dealers. All manuals are in very good clean condition with minor signs of wear.