| G-1 | 20M-70-X6230 | BOOM PIPING GROUP | |
| 1 | 20W-62-13210 | HOSE | |
| 2 | 20M-62-63150 | TUBE | |
| 3 | 20M-62-63160 | TUBE | |
| 4 | 07283-21022 | CLIP | |
| 5 | 01598-00608 | NUT | |
| 6 | 01643-30623 | WASHER | |
| 7 | 20M-62-48711 | PLATE | |
| 8 | 01580-10806 | NUT | |
| 9 | 01643-30823 | WASHER | |
| 10 | 01643-31032 | WASHER | |
| G-2 | 20W-70-X1240 | ARM PIPING GROUP | |
| 11 | 20W-62-13220 | HOSE | |
| 12 | 20W-62-13131 | TUBE | |
| 13 | 20W-62-13141 | TUBE | |
| 14 | 01435-20812 | BOLT | |
| 15 | 20M-62-33260 | CLAMP | |
| 16 | 01435-20812 | BOLT | |
| 17 | 20M-62-48611 | HOSE | |
| 18 | 20M-62-48621 | HOSE | |
| 19 | 07235-10210 | ELBOW | |
| 20 | 07002-11423 | O-RING | |
| 21 | 20M-62-33290 | CLIP | |
| 22 | 20M-62-33280 | SEAT | |
| 23 | 01435-20820 | BOLT | |
| 24 | 01580-10806 | NUT | |
| G-3 | 20M-943-X620 | BUCKET PIPING GROUP,(FOR LONG ARM) | |
| 25 | 20W-62-13220 | HOSE | |
| 26 | 20W-62-13111 | TUBE | |
| 27 | 20W-62-13121 | TUBE | |
| 28 | 01435-20812 | BOLT | |
| 29 | 20M-62-33340 | CLAMP | |
| 30 | 01435-20812 | BOLT | |
| 31 | 20M-943-4210 | HOSE | |
| 32 | 20M-62-48571 | TUBE | |
| 33 | 01435-20812 | BOLT | |
| 34 | 707-00-50660 | CYLINDER ASS'Y \,BOOM (SEE FIG.7185) | |
| 35 | 707-00-50670 | CYLINDER ASS'Y \,ARM (SEE FIG.7381) | |
| 36 | 707-00-50680 | CYLINDER ASS'Y \,BUCKET (SEE FIG.7581) |
