It was an option then. There will be a joystick to the right of the seat, and four hydraulic QD's (quick disconnects) by the front right floorboard if it's equipped.
/ Does a 1983 JD 650 Tractor come with Front loader Hydro
Even if you don't have the loader valve, the hydraulic ports are still there. There are many aftermarket loaders, like Koyker, that have integrated valves.
/ Does a 1983 JD 650 Tractor come with Front loader Hydro