| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | (20K-63-31300) | CYLINDER ASS'Y,BOOM LIFT (SEE FIG.Y1620-01A0) | | K40001-@ |
| 2 | (702-21-08330) | PILOT VALVE,L.H. (SEE FIG.Y1679-11A0) | | K40001-@ |
| (702-21-08350) | PILOT VALVE,R.H. (SEE FIG.Y1679-12A0) | | K40001-@ |
| 3 | 07000-13030 | O-RING | | K40001-@ |
| 4 | 07372-21060 | BOLT | | K40001-@ |
| 5 | 07372-21050 | BOLT | | K40001-@ |
| 6 | 01643-51032 | WASHER | | K40001-@ |
| 7 | 20K-62-31780 | TUBE,L.H. | | K40001-@ |
| 20K-62-31790 | TUBE,R.H. | | K40001-@ |
| 8 | 07000-13030 | O-RING | | K40001-@ |
| 9 | 07372-21035 | BOLT | | K40001-@ |
| 10 | 01643-51032 | WASHER | | K40001-@ |
| 11 | 20K-62-31760 | TUBE,L.H. | | K40001-@ |
| 20K-62-31770 | TUBE,R.H. | | K40001-@ |
| 12 | 07000-13030 | O-RING | | K40001-@ |
| 13 | 07372-21060 | BOLT | | K40001-@ |
| 14 | 07372-21045 | BOLT | | K40001-@ |
| 15 | 01643-51032 | WASHER | | K40001-@ |
| 16 | 20K-63-31151 | CLAMP | | K40001-K40040 |
| 17 | 707-88-87330 | BAND | | K40001-@ |
| 18 | 01010-81035 | BOLT | | K40001-@ |
| 19 | 01643-51032 | WASHER | | K40001-@ |
| 20 | 07283-32738 | CLIP | | K40001-K40040 |
| 21 | 01599-01011 | NUT | | K40001-K40040 |
| 22 | 01643-31032 | WASHER | | K40001-K40040 |
