| Item | Part No. | Part Name | Qty | Serial No. |
| 21K-26-B7100 | SWING MACHINERY | B20001- | ||
| 21K-26-B7130 | OUTPUT ASSEMBLY | B20001- | ||
| 1 | 21K-26-B7010 | PINON SHAFT | B20001- | |
| 2 | 21K-26-B7020 | SPACER | B20001- | |
| 3 | 21K-26-B7030 | SEALING | B20001- | |
| 4 | 21K-26-B7040 | COVER | B20001- | |
| 5 | 21K-26-B7050 | BEARING | B20001- | |
| 6 | 21K-26-B7060 | GEAR BOX HOUSING | B20001- | |
| 7 | 21K-26-B7070 | SEAL RING | B20001- | |
| 8 | 21K-26-B7080 | BEARING | B20001- | |
| 9 | 21K-26-B7090 | NUT | B20001- | |
| 10 | 21K-26-B7110 | PLUG | B20001- | |
| 11 | 21K-26-B7120 | SCREW | B20001- | |
| 12 | 21K-26-B7140 | PLUG | B20001- | |
| 13 | 21K-26-B7150 | LUBRICATION KIT | B20001- | |
| 14 | 21K-26-B7160 | O-RING | B20001- | |
| 15 | 21K-26-B7170 | GEAR | B20001- | |
| 16 | 21K-26-B7180 | REDUCTION ASSEMBLY | B20001- | |
| 17 | 21K-26-B7190 | GEAR | B20001- | |
| 18 | 21K-26-B7210 | O-RING | B20001- | |
| 19 | 21K-26-B7220 | GEAR | B20001- | |
| 20 | 21K-26-B7230 | REDUCTION ASSEMBLY | B20001- | |
| 21 | 21K-26-B7240 | GEAR | B20001- | |
| 22 | 21K-26-B7250 | RING, SNAP | B20001- | |
| 23 | 21K-26-B7300 | HYDRAULIC MOTOR (SEE FIG.Y1260-05A0) | B20001- | |
| 24 | 21K-26-B7270 | SCREW | B20001- | |
| 25 | 21K-26-B7280 | LUBRICATION KIT | B20001- | |
| 26 | 21K-26-B7290 | LUBRICATION KIT | B20001- |