Hydraulic pump drive shaft and coupler kit for all John Deere model 3020, 4000 and 4020 tractors. The kit includes the following:

2 coupler halves that replace John Deere part number R34362, 

1 driveshaft that replaces R34359 ( Can also replace T36523 and R43829)

4 short drive pins for the driveshaft and crankshaft pulley on early model 3020 and 4020 part number R34360 

2 R46345 drive pins for the higher serial number 3020 and 4020, 

4 rubber bushings that replace John Deere part number R45822, 

related bolts and nuts necessary to complete the installation. 

This kit includes all parts necessary to replace all components from the crankshaft to the hydraulic pump shaft on all 3020, 4000 and 4020 tractors.