Parts list: â„– Number Qty Name Options Next page: ST800284 Mechanical HI-LO System, SyncReverserâ„¢ ST863064 Input Shaft, PTO ST863312 PTO Output Shaft, Mechanical, 540/ 540E, 540/ 1000 ST863341 PTO Inner Controls, Mechanical, 540/ 540E ST863348 PTO Inner Controls, Mechanical, 540/ 1000 PICT-50.1 50 Drive System