Product Description
The HY 4077451 is a precision-engineered poly drive tire assembly for Hyster electric pallet jacks. Featuring industrial-grade polyurethane tread bonded to an integrated precision-machined steel hub, this drive wheel delivers direct power transmission and superior floor traction. The assembly is specifically designed for the Hyster W45ZHD electric pallet jack, providing smooth acceleration, reliable deceleration, and extended wear life in warehouse and dock applications. The machined steel hub ensures tight tolerances for optimal concentricity, balance, and motor shaft engagement.
Specifications
Material & Construction
| Hub Material | Precision-machined steel |
| Tread Compound | Polyurethane, industrial grade |
| Tread Material | High-durability polyurethane |
Part Identification
| Part Number | HY 4077451 |
| Compatible Models | Hyster W45ZHD Electric Pallet Jack |
Frequently Asked Questions
Q: What is the HY 4077451 and what role does it play in electric pallet jacks?
A: The HY 4077451 is a poly drive tire assembly combining industrial-grade polyurethane tread with an integrated precision-machined steel hub. It serves as a motorized drive wheel for the Hyster W45ZHD electric pallet jack, providing power transmission, traction, and load mobility in warehouse and dock environments.
Q: What materials are used in the HY 4077451 assembly?
A: The assembly features high-durability polyurethane tread bonded to a precision-machined steel hub. The polyurethane compound is industrial-grade, formulated to withstand repeated load cycles and abrasion on warehouse floors. The steel hub is machined to tight tolerances for accurate power transmission and wheel balance.
Q: Which Hyster electric pallet jack models is the HY 4077451 designed for?
A: The HY 4077451 is specifically designed for the Hyster W45ZHD electric pallet jack. Verify your lift truck model and serial number against Hyster documentation before ordering to confirm this is the correct replacement part for your equipment.
Q: How does the HY 4077451 differ from a passive load wheel?
A: The HY 4077451 is a motor-driven assembly designed for power transmission, whereas load wheels are passive and rotate freely under the weight of pallets. The drive tire connects directly to the motor shaft through its machined steel hub, actively propelling the truck forward and backward.
Q: What factors affect the service life of the polyurethane tread?
A: Polyurethane tread wear is influenced by floor surface conditions, load weight, operating frequency, and environmental factors. Industrial-grade polyurethane provides excellent abrasion resistance compared to softer materials. Inspect the assembly regularly and replace when tread depth becomes minimal or traction noticeably decreases.
Q: Why is the precision-machined steel hub critical for performance?
A: The hub must interface precisely with the Hyster W45ZHD drive motor shaft. Tight machining tolerances ensure concentricity, wheel balance, and smooth rotation — essential for reliable electric drive performance and load handling. A properly machined hub minimizes vibration and wear on motor components.