The document provides information on workshop manuals for Kubota 03-M-E3B, 03-M-DI-E3B and 03-M-E3BG series diesel engines. It includes sections on general information, engine mechanisms, and servicing procedures. The general section covers identification, maintenance and special tools. The mechanisms section describes engine construction and functions. The servicing section provides troubleshooting, specification lists, disassembly and reassembly procedures. Safety instructions are also outlined.