This is the complete operator's manual for the International Harvester 990 mower-conditioner.
This owner’s manual provides instructions on operation, adjustments, routine maintenance, and safety for the International 990 mower-conditioner. An essential resource if you are running, maintaining, or restoring your International Harvester 990, IH 990, or International 990 haybine.
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.