Hydraulic cylinder to provide power adjustment for upper link on tractor 3-point hitch. Plumbing for hydraulic cylinder. Hoses should be small (1/4") to limit speed of actuation. Swivel end (3-point hitch replacement ball end) welded to end of cylinder rod. Use 3/4" diameter for category 1 and 1" for category 2. Extend and protect rod while welding.

Swivel to connect tractor to cylinder -- category 1. See drawing for dimensions. Swivel to connect tractor to cylinder -- category 2. See drawing for dimensions. Dimensions for swivels. Note that a 2-way swivel must be used. Each swivel is made from round steel tubing welded to 1x2' steel flat bar.