Where is the drain for hydraulic fluid on long 460 tractor?

The drain for hydraulic fluid on a Long 460 tractor is located on the bottom of the hydraulic fluid reservoir. The reservoir is located at the rear of the tractor, just above the rear axle. The drain plug is a 1/2-inch bolt with a washer. To drain the hydraulic fluid, remove the drain plug and let the fluid drain into a suitable container.