Manuals and Technical Documents | Cummins Inc. Access to documents, diagrams and materials for Cummins engines, generators and components via online library and Cummins Care helpline phone numbers. Owner's Manuals, Diagrams and Technical Documents | Cummins Inc. CUMMINS 5.9 SHOP MANUAL Pdf Download. View and Download CUMMINS 5.9 shop manual online. 5.9 Engine pdf manual download. Also for: 4bt3.9, 6bt5.9, B series 1991, B series 1994.