Product Description
HY 4081688 is a load roller assembly with Durarun 95A polyurethane tread, designed as an OEM component for Hyster electric lift trucks. It features a pre-mounted bearing and is constructed from an industrial steel core with a bonded polyurethane tire for smooth operation under typical electric lift truck loading conditions.
Specifications
Material
| Tread Material | Polyurethane Compound |
| Hub Material | Industrial Steel Core |
Part Numbers
| OEM Part Number | HY 4081688 |
| Manufacturer Part Number | HY4081688 |
Frequently Asked Questions
Q: What is the HY 4081688 load roller assembly and what is its construction?
A: The HY 4081688 is an OEM Hyster load roller assembly featuring a bonded polyurethane tire with Durarun 95A tread mounted on an industrial steel core. A pre-mounted bearing is included for direct installation. This construction delivers smooth operation under typical electric lift truck loading conditions.
Q: What equipment is the HY 4081688 designed for?
A: The HY 4081688 is an OEM component for Hyster electric lift trucks. It is engineered to match Hyster specifications for load roller applications. Confirm your lift truck model, serial range, and current wheel specifications to ensure correct fitment before ordering.
Q: What does bonded polyurethane tire construction mean?
A: Bonded polyurethane means the Durarun 95A rubber tread is permanently adhered to the steel hub core rather than being a separate assembly. This construction eliminates the risk of tire separation and provides a unified, robust wheel assembly suitable for high-load applications. The bond is designed to last the full service life of the wheel under rated loading.
Q: How long does the HY 4081688 typically last in service?
A: Under normal warehouse operating conditions, the HY 4081688 typically serves for 12 to 24 months. Service life depends on load cycles, floor type, and equipment maintenance. Replace when tread wear exceeds 10 percent diameter loss, when the wheel becomes visibly out-of-round, or when bearing noise develops.
Q: What does the 95A Durarun tread provide for lift truck operation?
A: Durarun 95A polyurethane at 95 Shore A hardness balances wear resistance with adequate grip for material handling equipment. It resists abrasion on concrete and sealed warehouse floors while maintaining smooth rolling characteristics. This hardness is standard for general-duty electric lift truck applications.
Q: Is the HY 4081688 bearing pre-lubricated and maintenance-free?
A: Yes, the HY 4081688 comes with a pre-mounted bearing and is designed for maintenance-free operation. Inspect bearings periodically for noise or roughness during equipment inspection cycles. If bearing performance degrades, the wheel assembly should be replaced to maintain equipment reliability and safety.