Catalog spare parts Komatsu for free - "41. BACKHOE CONTROL VALVE (8 SECTION) (JIG ARM+HAMMER) [6400] - Komatsu part WB91R-2 S/N 91F20145-Up [wb91r_2c]"
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| _ | _ | β | Number | Qty | Name | Options |
| | | 1 | 844020300 | 1 | CONTROL VALVE, ASSY | SN: 91F20145-91F20168 |
| | | 2 | 844200468 | 1 | INLET ELEMENT, ASSY | SN: 91F20145-91F20168 |
| | | 3 | 844200483 | 1 | BLOCK, HAMMER CONTROL ASSY | SN: 91F20145-91F20168 |
| | | 4 | 844200469 | 1 | BLOCK, ARM CONTROL ASSY | SN: 91F20145-91F20168 |
| | | 5 | 844200529 | 1 | BLOCK, BOOM SWING CONTROL ASSY | SN: 91F20145-91F20168 |
| | | 6 | 844200471 | 2 | BLOCK, OUTRIGGER CONTROL ASSY | SN: 91F20145-91F20168 |
| | | 7 | 844200472 | 1 | BLOCK, BUCKET CONTROL ASSY | SN: 91F20145-91F20168 |
| | | 8 | 844200473 | 1 | BLOCK, BOOM CONTROL ASSY | SN: 91F20145-91F20168 |
| | | 9 | 844200481 | 1 | BLOCK, JIG ARM CONTROL, ASSY | SN: 91F20145-91F20168 |
| | | 10 | 844200474 | 1 | OUTLET ELEMENT, ASSY | SN: 91F20145-91F20168 |
| | | 11 | 844200485 | 1 | TIE RODS KIT | SN: 91F20145-91F20168 |
| | | | | | SEE FIG. 6310 | |
| | | | | | SEE FIG. 6305 | |
| | | | | | SEE FIG. 6320 | |
| | | | | | SEE FIG. 6345 | |
| | | | | | SEE FIG. 6295 | |
| | | | | | SEE FIG. 6325 | |
| | | | | | SEE FIG. 6365 | |
| | | | | | SEE FIG. 6300 | |
| | | | | | SEE FIG. 6315 | |
