Komatsu WA250PT-3MC Transmission Control Valve - Upper Valve Parts
Komatsu WA250PT-3MC transmission control valve - upper valve parts for machine serial A78001-UP. View this configuration's diagram, part numbers, quantities and options; shop or request a quote.
Catalog configuration: Power Train And Final Drive / Transmission Control Valve - Upper Valve.
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Aftermarket parts reference illustration · Click to enlarge. Actual supplied parts may differ.
Assembly parts
Showing all 40 part occurrences
Select any parts and adjust quantities. Store products go to your cart; parts without a store match go into a quote request. Each button handles only its matching selections.
| Line | Part number | Description | Qty | Order qty | Purchase options | |
|---|---|---|---|---|---|---|
| 1 | CONTROL VALVE ASSEMBLYSN: A78001 --UP | 1 | Request quote | |||
| 2 | VALVE ASSEMBLY, UPPERSN: A78001 --UP | 1 | Request quote | |||
| 1 | BODY, UPPERSN: A78001 --UP | 1 | Request quote | |||
| 2 | COVERSN: A78001 --UP | 1 | Request quote | |||
| 3 | COVERSN: A78001 --UP | 1 | Request quote | |||
| 4 | GASKETSN: A78001 --UP | 1 | View product ↗ | |||
| 5 | GASKETSN: A78001 --UP | 1 | View product ↗ | |||
| 6 | VALVE, PILOTSN: A78001 --UP | 1 | Request quote | |||
| 7 | VALVE, MAINSN: A78001 --UP | 1 | Request quote | |||
| 8 | VALVE, PRIORITYSN: A78001 --UP | 1 | Request quote | |||
| 9 | VALVE, ACCUMULATORSN: A78001 --UP | 1 | Request quote | |||
| 10 | VALVE, MODULATESN: A78001 --UP | 1 | Request quote | |||
| 11 | PISTON, LOADSN: A78001 --UP | 1 | Request quote | |||
| 12 | PISTON, LOADSN: A78001 --UP | 1 | Request quote | |||
| 13 | VALVE, QUICK RETURNSN: A78001 --UP | 1 | Request quote | |||
| 14 | PLUG, VALVESN: A78001 --UP | 1 | Request quote | |||
| 15 | SLEEVE, MODULATESN: A78001 --UP | 1 | Request quote | |||
| 16 | SHAFT, ACCUMULATORSN: A78001 --UP | 1 | Request quote | |||
| 17 | SPRING, MAINSN: A78001 --UP | 1 | Request quote | |||
| 18 | SPRING, PRIORITYSN: A78001 --UP | 1 | Request quote | |||
| 19 | SPRING, INNER MODULATESN: A78001 --UP | 1 | Request quote | |||
| 20 | SPRING, OUTER MODULATESN: A78001 --UP | 1 | Request quote | |||
| 21 | SPRING, OUTER ACCUMULATORSN: A78001 --UP | 1 | Request quote | |||
| 22 | SPRING, INNER ACCUMULATORSN: A78001 --UP | 1 | Request quote | |||
| 23 | SPRING, INNER ACCUMULATORSN: A78001 --UP | 1 | Request quote | |||
| 24 | ROD, ADJUSTSN: A78001 --UP | 1 | Request quote | |||
| 25 | PLUG, MODULATESN: A78001 --UP | 1 | Request quote | |||
| 26 | RETAINER, MODULATESN: A78001 --UP | 1 | Request quote | |||
| 27 | BALLSN: A78001 --UP | 1 | View product ↗ | |||
| 28 | SPRING, CHECKSN: A78001 --UP | 1 | Request quote | |||
| 29 | PLUGSN: A78001 --UP | 1 | Request quote | |||
| 30 | O-RINGSN: A78001 --UP | 2 | View product ↗ | |||
| 31 | O-RINGSN: A78001 --UP | 1 | View product ↗ | |||
| 32 | NUTSN: A78001 --UP | 1 | View product ↗ | |||
| 33 | WASHERSN: A78001 --UP | 1 | View product ↗ | |||
| 34 | ORIFICE, MAINSN: A78001 --UP | 1 | Request quote | |||
| 35 | BOLTSN: A78001 --UP | 12 | Request quote | |||
| 36 | BOLTSN: A78001 --UP | 3 | Request quote | |||
| 37 | BOLTSN: A78001 --UP | 2 | Request quote | |||
| 38 | PLUGSN: A78001 --UP | 3 | View product ↗ |
Repeated parts remain separate. Source order is retained; diagram callout mapping has not yet been verified.
Assembly notes
TRANSMISSION ASSEMBLY (SEE FIG. F4350-51A0)
Using Komatsu WA250PT-3MC Transmission Control Valve - Upper Valve Parts
Use the Komatsu WA250PT-3MC Transmission Control Valve - Upper Valve Parts listing to identify aftermarket replacement parts within the power train and final drive section. This wheel loader application is listed for machine serial A78001-UP; the diagram and parts table retain the selected configuration and its source notes.
The parts table contains 40 listed part occurrences, including control valve assembly (reference 714-13-15000), valve assembly, upper (reference 419-15-15201) and body, upper (reference 419-15-15711). Read any option and reference notes beside these entries before choosing a replacement; repeated references may represent separate positions in the source list.
Use the section and assembly descriptions together with the stated machine application. Preserve location, option and revision notes shown beside each part number when selecting a replacement or preparing a quote.
Catalog quantities describe the illustrated assembly. Adjust the order quantity to what you need, select the relevant rows, and use Add selected to cart for verified store matches or Add selected to quote for quote items. The diagram alone does not establish current stock or part interchangeability.