| Item | Part No. | Part Name | Qty | Serial No. |
| 201-70-00940 | BOOM ASS'Y | | 48844-52373 |
| 201-70-00920 | BOOM ASS'Y | | 48712-48843 |
| 201-70-00620 | BOOM ASS'Y | | 45001-48711 |
| 1 | \6\ | BOOM | | 48844-52373 |
| \6\ | BOOM | | 48712-48843 |
| \6\ | BOOM | | 45001-48711 |
| 201-70-71XE1 | BRACKET (WELDED) | | 48844-@ |
| 201-70-71XA0 | BRACKET (WELDED) | | 45001-48843 |
| 2 | \6\ | BRACKET (WELDED) | | 48844-@ |
| \6\ | BRACKET (WELDED) | | 45001-48843 |
| 3 | 203-46-41130 | SEAT (WELDED) | | 45001-@ |
| 4 | 201-70-71230 | BUSHING | | 45001-@ |
| 5 | 07145-00065 | SEAL,DUST | | 45001-@ |
| 6 | 07145-00065 | SEAL,DUST | | 45001-@ |
| 7 | 201-06-71280 | WORK LAMP ASS'Y,70W | | 45001-@ |
| 8 | 203-06-56410 | BRACKET | | 45001-@ |
| 9 | 01010-51225 | BOLT | | 45001-@ |
| 10 | 01643-31232 | WASHER | | 45001-@ |
| 11 | 201-06-61360 | WIRE | | 45001-@ |
| 12 | 203-06-56570 | BAND | | 45001-@ |
| 13 | 201-70-71610 | PIN,. | | 48844-@ |
| 201-70-71261 | PIN,. | | 45001-48843 |
| 14 | 203-46-56270 | PLATE | | 45001-@ |
| 15 | 01010-51230 | BOLT | | 45001-@ |
| 16 | 01643-31232 | WASHER | | 45001-@ |
| 17 | 203-70-24150 | SPACER¤ 1.0MM | | 45001-@ |
| 18 | 201-70-71270 | SHAFT | | 45001-@ |
| 19 | 203-46-56270 | PLATE | | 45001-@ |
| 20 | 01010-51230 | BOLT | | 45001-@ |
| 21 | 01643-31232 | WASHER | | 45001-@ |
| 22 | 202-70-11640 | SPACER¤ 1.0MM | | 45001-@ |
| 203-70-34260 | SPACER¤ 0.5MM | | 45001-@ |
| 23 | 201-70-71250 | PIN | | 45001-@ |
| 24 | 04082-00212 | LOCK | | 45001-@ |
| 25 | 01010-51230 | BOLT | | 45001-@ |
| 26 | 01643-31232 | WASHER | | 45001-@ |
| 27 | 201-70-71280 | SPACER¤ 1.0MM | | 45001-@ |
| 28 | 201-62-71420 | HOSE | | 48712-@ |
| 201-62-71420 | HOSE | | 45001-48711 |
| 28A | 201-62-77110 | HOSE | | 48712-@ |
| 29 | 201-62-74110 | TUBE | | 45001-@ |
| 30 | 201-62-74121 | TUBE | | 48712-52373 |
| 201-62-74120 | TUBE | | 45001-48711 |
| 31 | 201-62-74130 | TUBE | | 45001-@ |
| 32 | 201-62-74140 | TUBE | | 45001-@ |
| 33 | 203-70-53380 | CLAMP | | 48712-52373 |
| 203-70-53380 | CLAMP | | 45001-48711 |
| 33A | 201-973-7430 | CLAMP | | 48712-52373 |
| 34 | 203-70-53390 | CLAMP | | 45001-@ |
| 35 | (\8\201-63-X2302) | CYLINDER GROUP,BOOM (SEE FIG.Y1620-01A0) | | 45001-52373 |
| 36 | (\8\201-63-X2313) | CYLINDER GROUP,ARM (SEE FIG.Y1620-11A0) | | 48712-52373 |
| (\8\201-63-X2312) | CYLINDER GROUP,ARM (SEE FIG.Y1620-11A0) | | 45001-48711 |
