301A - LOADER, TWO-WHEEL DRIVE 20 GOVERNOR AND SPEED CONTROL LINKAGE Parts group 20 GOVERNOR AND SPEED CONTROL LINKAGE 20 GOVERNOR AND SPEED CONTROL LINKAGE . HAND THROTTLE [01C11] FOOT THROTTLE [01C12] SPEED CONTROL ROD AND SHAFT [01C13] GOVERNOR ASSEMBLY (ENGINE SERIAL NO. 282381-621172) (MANUFACTURED 1974-1983) (ENGINE SERIAL NO. 1000