John Deere 550 T/A Pull-Type Sprayer, 2 Hyd. Outlets Req'd, 11L-14 Front Tires, 11L-15 Rear Tires, Steel Wheels, Pin Hitch, 48' Boom Reach, Single Nozzle Body, Poly Primary Tank, 20" Spacing, 48' Width, 550-Gallon Tank Capacity, SN: 002510