CASE IH International McCormick Tractor 3 Point Hitch Lower Link Pin Plate. This is the lock plate with the pin that holds the lift links to the lower links. This is for the Cat 2 hitch so it has the big pin. These are used in many International Case IH and McCormick tractors manufactured since the early 1970s thru Current models PN# 310499A1 These are for the Cat 2 hitch with the 3/4″ diameter pin. 54, 64, 74, 85, 95, 3200, 4200, C and CX tractors. These sell for over $36 each at the dealer so save here Very high quality Save here Check our other Case IH linkage parts in our listings L4A4