Bradco 3511B CAT II 3-PT Hitch Backhoe – Parts, Diagrams & Manuals This is the central landing page for the Bradco 3511B CAT II 3-PT Hitch Backhoe. Use it to find: Interactive exploded diagrams and parts lists for the major assemblies Downloadable Operator’s Manual Individual replacement parts Select an assembly from the diagram section below (once attached) to view callouts and order parts.