| Item | Part No. | Part Name | Qty | Serial No. |
| (YM172423-74101) | VALVE ASS'Y,CONTROL | 20109- | ||
| (\0\YM172423-74100) | VALVE ASS'Y,CONTROL | 20001-20108 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.H0120-51A0 TO H0120-55A0. | ||||
| 1 | YM172425-74250 | .SECTION,SPOOL | 20001- | |
| 9 | YM24321-000650 | ..O-RING | 20001- | |
| 10 | YM933166-80520 | ..WIPER | 20001- | |
| 13 | YM933171-80610 | ..O-RING | 20001- | |
| 14 | YM172425-74290 | .SECTION,SPOOL | 20001- | |
| 20 | YM24321-000650 | ..O-RING | 20001- | |
| 21 | YM933166-80520 | ..WIPER | 20001- | |
| 24 | YM933171-80610 | ..O-RING | 20001- | |
| 25 | YM172425-74520 | .SECTION,P.T.O. | 20001- | |
| 36 | YM24321-000650 | ...O-RING | 20001- | |
| 37 | YM933166-80520 | ...WIPER | 20001- | |
| 40 | YM933171-80610 | ...O-RING | 20001- | |
| 41 | YM172187-74550 | ..PLUG | 20001- | |
| 42 | YM24315-000180 | ...O-RING | 20001- | |
| 43 | YM172146-74720 | ..VALVE ASS'Y,SHUT OFF | 20001- | |
| 44 | YM172116-74150 | ...O-RING | 20001- | |
| 45 | YM24311-240100 | ...O-RING | 20001- |