Pin, Center Steering Arm. PART NO: A-19361S. Used w/ AL19361 center steering arm, Please check dimensions before ordering. Dim A (1)6.640" long, 1.499" dia. . MODELS: John Deere COMPACT TRACTOR: 3120 (SN 063362 > ) John Deere TRACTOR: 2840 John Deere TRACTOR: 3030 John Deere TRACTOR: 3130.