Product Description
The Hyster HY 3012970 is a direct replacement load wheel assembly designed for select Hyster electric pallet jacks. This precision-engineered component features a 3.25-inch diameter wheel with a 4.5-inch polyurethane tread, cast iron core, and 95A hardness rating for reliable performance on standard indoor surfaces. The assembly includes sealed precision ball bearings, mounting hardware, and a zerk lubrication fitting for optional maintenance access. Ideal for extending equipment service life and maintaining smooth operation.
Specifications
Wheel Specifications
| Wheel Diameter | 3.25 inches |
| Tread Width | 4.5 inches |
| Wheel Core Material | Cast iron |
| Tread Material | Polyurethane |
| Hardness Rating | 95A |
| Bearing Type | Sealed precision ball bearings |
Hardware and Fittings
| Mounting Hardware Included | Yes |
| Lubrication Fitting | Zerk |
Part Numbers
| Manufacturer Part Number | HY 3012970 |
| Cross-Reference Part Numbers | HY3012970, HY-3012970, HY 3012970-A |
| Equivalent Part Numbers | HY 3012970-A |
Compatibility
| Compatible Equipment | Hyster W40Z, W45Z series electric pallet jacks |
Frequently Asked Questions
Q: What are the HY 3012970 wheel dimensions and material specifications?
A: The HY 3012970 has a 3.25 inch diameter with a 4.5 inch polyurethane tread width. The wheel features a cast iron core and polyurethane tread rated at 95A hardness. It includes sealed precision ball bearings, a precision axle, and mounting hardware with a zerk lubrication fitting for maintenance access.
Q: Which Hyster models is the HY 3012970 compatible with?
A: The HY 3012970 is designed for select Hyster electric pallet jacks. Common compatible models include the W40Z and W45Z series. Verify your specific equipment model before ordering to confirm fitment and compatibility.
Q: What cross-reference part numbers exist for the HY 3012970?
A: Cross-reference part numbers for the HY 3012970 include HY3012970, HY-3012970, HY-3012970-A, and equivalent part number HY 3012970-A. All these designations refer to the same OEM component. Verify against your equipment documentation.
Q: Why does the HY 3012970 have a zerk fitting if bearings are sealed?
A: The zerk fitting allows optional bearing lubrication if seals show wear or bearing noise develops during extended service. Under normal conditions, sealed bearings do not require lubrication. Use the zerk fitting only if you observe bearing degradation or extended operating life is critical to your operations.
Q: What is the lifespan of the HY 3012970 wheel assembly?
A: Lifespan depends on load weight, floor surface, maintenance frequency, and operational hours. Polyurethane 95A wheels resist standard indoor wear well. Sealed bearings extend service life significantly. Replace when tread depth decreases visibly, flat spots develop, or bearings become noisy despite maintenance.
Q: Is the cast iron core on the HY 3012970 prone to corrosion?
A: Cast iron cores can show surface rust in high-moisture environments like cold storage or wet areas. This does not affect function unless severe pitting occurs. For wet or cold storage applications, consider polyurethane or elastomer wheels with non-corrosive cores. Standard indoor use does not expose cast iron to significant corrosion risk.