Komatsu WA380-3MC Rear Axle - Standard Differential Parts
Komatsu WA380-3MC rear axle - standard differential parts for machine serial A51001-UP. View this configuration's diagram, part numbers, quantities and options; shop or request a quote.
Catalog configuration: Power Train And Final Drive / Rear Axle - Standard Differential.
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Aftermarket parts reference illustration · Click to enlarge. Actual supplied parts may differ.
Assembly parts
Showing all 55 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 | PINION ASSEMBLY, GEARSN: A51001-UP-UP | 1 | Request quote | |||
| 1 | PINIONSN: A51001-UP-UP | 1 | Request quote | |||
| 2 | GEAR, BEVELSN: A51001-UP-UP | 1 | Request quote | |||
| 3 | CAGE, BEARINGSN: A51001-UP-UP | 1 | Request quote | |||
| 4 | BEARINGSN: A51001-UP-UP | 1 | Request quote | |||
| 5 | BEARINGSN: A51001-UP-UP | 1 | View product ↗ | |||
| 6 | SPACERSN: A51001-UP-UP | 1 | Request quote | |||
| 7 | SEAL, OILSN: A51001-UP-UP | 1 | View product ↗ | |||
| 8 | O-RINGSN: A51001-UP-UP | 1 | Request quote | |||
| 9 | COUPLINGSN: A51001-UP-UP | 1 | Request quote | |||
| 10 | DEFLECTORSN: A51001-UP-UP | 1 | Request quote | |||
| 11 | O-RINGSN: A51001-UP-UP | 1 | Request quote | |||
| 12 | WASHERSN: A51001-UP-UP | 1 | Request quote | |||
| 13 | BOLTSN: A51001-UP-UP | 1 | View product ↗ | |||
| 14 | SHIM - 0.002 IN. (0.05 MM)SN: A51001-UP-UP | 3 | Request quote | |||
| 16 | SHIM - 0.008 IN. (0.20 MM)SN: A51001-UP-UP | 2 | Request quote | |||
| 17 | SHIM - 0.012 IN. (0.30 MM)SN: A51001-UP-UP | 2 | Request quote | |||
| 18 | SHIM - 0.032 IN. (0.80 MM)SN: A51001-UP-UP | 2 | Request quote | |||
| 15 | BOLTSN: A51001-UP-UP | 10 | View product ↗ | |||
| 16 | WASHERSN: A51001-UP-UP | 10 | View product ↗ | |||
| 21 | CASE ASSEMBLYSN: A51001-UP-UP | 1 | Request quote | |||
| 17 | CASESN: A51001-UP-UP | 1 | Request quote | |||
| 18 | CASESN: A51001-UP-UP | 1 | Request quote | |||
| 19 | BOLTSN: A51001-UP-UP | 12 | View product ↗ | |||
| 20 | WASHERSN: A51001-UP-UP | 12 | View product ↗ | |||
| 21 | PINSN: A51001-UP-UP | 4 | View product ↗ | |||
| 22 | SHAFTSN: A51001-UP-UP | 1 | Request quote | |||
| 23 | PINIONSN: A51001-UP-UP | 4 | Request quote | |||
| 24 | GEAR, SIDESN: A51001-UP-UP | 2 | Request quote | |||
| 25 | WASHERSN: A51001-UP-UP | 4 | Request quote | |||
| 26 | WASHERSN: A51001-UP-UP | 2 | View product ↗ | |||
| 27 | BOLTSN: A51001-UP-UP | 18 | View product ↗ | |||
| 28 | WASHERSN: A51001-UP-UP | 18 | View product ↗ | |||
| 29 | HOUSING, DIFFERENTIALSN: A51001-UP-UP | 1 | Request quote | |||
| 30 | SLEEVESN: A51001-UP-UP | 1 | Request quote | |||
| 31 | COVERSN: A51001-UP-UP | 1 | Request quote | |||
| 32 | BOLTSN: A51001-UP-UP | 20 | View product ↗ | |||
| 33 | WASHERSN: A51001-UP-UP | 20 | View product ↗ | |||
| 34 | PIN, DOWELSN: A51001-UP-UP | 2 | View product ↗ | |||
| 35 | PLUGSN: A51001-UP-UP | 1 | View product ↗ | |||
| 36 | O-RINGSN: A51001-UP-UP | 1 | Request quote | |||
| 37 | PLUG, SHIPPINGSN: A51001-UP-UP | 3 | View product ↗ | |||
| 38 | O-RINGSN: A51001-UP-UP | 3 | View product ↗ | |||
| 39 | PLUG, SHIPPINGSN: A51001-UP-UP | 2 | View product ↗ | |||
| 40 | BLEEDERSN: A51001-UP-UP | 2 | Request quote | |||
| 41 | CAPSN: A51001-UP-UP | 2 | View product ↗ | |||
| 42 | CARRIERSN: A51001-UP-UP | 2 | Request quote | |||
| 43 | BEARINGSN: A51001-UP-UP | 2 | Request quote | |||
| 44 | RINGSN: A51001-UP-UP | 2 | View product ↗ | |||
| 45 | BOLTSN: A51001-UP-UP | 16 | View product ↗ | |||
| 46 | WASHERSN: A51001-UP-UP | 16 | View product ↗ | |||
| 47 | SHIM - 0.002 IN. (0.05 MM)SN: A51001-UP-UP | 6 | Request quote | |||
| 53 | SHIM - 0.008 IN. (0.20 MM)SN: A51001-UP-UP | 3 | Request quote | |||
| 54 | SHIM - 0.012 IN. (0.30 MM)SN: A51001-UP-UP | 3 | Request quote | |||
| 55 | SHIM - 0.032 IN. (0.80 MM)SN: A51001-UP-UP | 2 | Request quote |
Repeated parts remain separate. Source order is retained; diagram callout mapping has not yet been verified.
Assembly notes
AXLE ASSEMBLY, REAR(SEE FIG. F4500-01A0)
Using Komatsu WA380-3MC Rear Axle - Standard Differential Parts
Use the Komatsu WA380-3MC Rear Axle - Standard Differential Parts listing to identify aftermarket replacement parts within the power train and final drive section. This wheel loader application is listed for machine serial A51001-UP; the diagram and parts table retain the selected configuration and its source notes.
The parts table contains 55 listed part occurrences, including pinion assembly, gear (reference 423-22-21300), pinion (reference NSS) and gear, bevel (reference NSS). 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.