T24726 Transmission Countershaft Fits John Deere 300 400 1020 1030 1040 +One New Aftermarket Replacement Transmission Countershaft that Fits John Deere Industrial Construction Models: 300, 310, 380, 400, 410, 480 Also Fits John Deere Tractor Models: 1020, 1030, 1040, 1120, 1130, 1140, 1350, 1520, 1530, 1550, 1630, 1640, 1641F, 1750, 1830, 1840, 1850, 2020, 2030 (SN <187300), 2040, 2120, 2150, 2155 (SN <756483), 2240, 2250 (SN <756483), 2255, 2350, 2355 (SN <756483 W CONTINUOUS RUNNING PTO W REVERSER), 2450 (SN <756483),