Product Description
Yale OEM drive axle (part number YL 640846831) for electric pallet trucks and walkie riders, designed for use in Yale MP040, Hyster W40Z, and select W40XT series. Manufactured from high-strength alloy steel for reliable performance in demanding lift truck drive applications. Includes cross-reference Crown 370031 and supersedes 640846878.
Specifications
Material & Construction
| Material Specification | High-strength alloy steel |
Part Numbers
| OEM Part Number | YL 640846831 |
| Manufacturer Part Number | 640846831 |
| Cross-Reference Part Numbers | Crown 370031, Hyster YT640846831 |
| Supersedes/Replaces Part Numbers | 640846878 |
| Equivalent Part Numbers | 370031 (Crown) |
| Compatible Equipment Models | Yale MP040, Hyster W40Z, Yale W40XT (A218) |
Frequently Asked Questions
Q: Which equipment models use the YL 640846831 drive axle?
A: The YL 640846831 is designed for Yale MP040 electric pallet trucks, Hyster W40Z, and Yale W40XT (A218) series walkie riders. Cross-reference part numbers include Crown 370031 and Hyster YT640846831. Verify your model matches before ordering.
Q: What material is this drive axle made from?
A: The YL 640846831 is manufactured from high-strength alloy steel. This material provides durability and load-carrying capacity required for electric lift truck drive applications under continuous duty cycles.
Q: Does this part supersede an older version?
A: Yes. The YL 640846831 supersedes and replaces part number 640846878. If your equipment calls for the older part number, the YL 640846831 is the current approved replacement.
Q: What is the cross-reference to Crown equipment?
A: Crown part number 370031 is the equivalent to YL 640846831. If you maintain mixed-fleet equipment from Yale and Crown, these parts are interchangeable for their respective platforms.
Q: Why would a drive axle fail or need replacement?
A: Drive axles can fail due to bearing wear, metal fatigue under sustained load, or damage from debris ingestion. Common failure symptoms include noise during drive operation, loss of power transmission, or visible axle scoring. If performance degrades, have the axle inspected and replaced.