Product Description
Professional-grade caster wheel assembly engineered for Toyota electric pallet jacks. This complete wheel assembly features a 4.00 inch diameter by 2.50 inch width polyurethane construction with 95A durometer rating, molded onto a reinforced steel core. Sealed ball bearings provide smooth rotation and minimal maintenance in demanding warehouse environments. Factory part number 00590-04780-71, compatible with Toyota 6HBW30, 7HBW30, 8HBW30, 8HBE30, and 8HBE40 series equipment. Direct replacement with mounting hardware included.
Specifications
Wheel Specifications
| Wheel Diameter | 4.00 inch |
| Wheel Width | 2.50 inch |
| Wheel Material | 95A durometer polyurethane on steel core |
| Bearing Type | Sealed ball bearings |
Part Numbers & Compatibility
| Factory Part Number | Toyota 00590-04780-71 |
| Cross-Reference Part Numbers | TO00590-04780-71, TY00590-04780-71, TO005900478071, TY005900478071, 005900478071 |
| Variant Part Numbers | 00590-04780-71-AS, 00590-04780-71-MIL-AS, 00590-04780-71-XL-A, 00590-04780-71-MIL-THO |
| Compatible Equipment Models | Toyota 6HBW30, 7HBW30, 8HBW30, 8HBE30, 8HBE40 |
Frequently Asked Questions
Q: What are the specifications for the 00590-04780-71-XL caster wheel assembly?
A: The 00590-04780-71-XL is a 4.00 inch diameter by 2.50 inch width polyurethane caster wheel with 95A durometer rating molded on a steel core. It features sealed ball bearings and precision machining for direct replacement on Toyota electric pallet trucks. The wheel assembly is delivered complete with mounting hardware.
Q: Which Toyota models are compatible with this wheel assembly?
A: The 00590-04780-71-XL is engineered for Toyota 6HBW30, 7HBW30, 8HBW30, 8HBE30, and 8HBE40 series electric pallet trucks, which include both walkie and walkie-rider configurations. Verify your truck model and serial range against Toyota documentation before ordering.
Q: What are the cross-reference and variant part numbers for this wheel?
A: Cross-reference numbers include TO00590-04780-71, TY00590-04780-71, TO005900478071, TY005900478071, and 005900478071. Variant part numbers include 00590-04780-71-AS, 00590-04780-71-MIL-AS, 00590-04780-71-XL-A, and 00590-04780-71-MIL-THO. Confirm the exact part number matches your equipment documentation.
Q: What is the expected wear pattern and replacement interval for the 95A polyurethane wheel?
A: The 95A durometer polyurethane exhibits moderate wear rates under standard warehouse duty. Expect visible wear indicators (flat spots, edge rounding, or 10-15% diameter loss) within 12-24 months depending on load, hours per day, and floor surface. Monitor for increased lateral play or rattling from worn bearings as signals to replace the assembly.
Q: How does the sealed bearing design affect maintenance and lifespan?
A: Sealed ball bearings minimize exposure to moisture, dust, and contaminants, eliminating the need for bearing lubrication and extending rotation smoothness. The sealed design reduces maintenance labor and extends effective wheel lifespan by protecting internal components from environmental degradation. Sealed bearings cannot be serviced and require full assembly replacement if bearing failure occurs.