This is the complete operator's manual for the Case 300B, 310B, and 400B tractors.
This owner’s manual provides instructions on operation, controls, routine maintenance, and safety for the J.I. Case 300B, 310B, and 400B farm tractors. An essential resource if you are running, maintaining, or restoring your Case 300B, Case 310B, or Case 400B tractor.
Covers All Years and Serial Numbers – Other websites sell manuals that are incomplete or only cover a specific year of the machine. This manual is guaranteed to be complete and to cover your machine's model year and serial number.