Product Description
Polyurethane load wheel assembly (97A durometer) with bearing and axle, designed for replacement use on Superior-brand electric lift trucks and pallet jacks. No cross-reference, supersession, or equivalent part numbers identified. Compatible with original equipment; mechanical specifications and dimensions not fully documented in available sources.
Specifications: 3.250 inch diameter x 4.500 inch width (3.250" x 4.500" | 3.25 x 4.5 wheel | 3-1/4 x 4-1/2 | 82.55mm x 114.30mm)
Specifications
Electrical
| Electrical Rating | Not applicable (mechanical-only component) |
Material
| Wheel Material | Polyurethane |
| Wheel Hardness | 97A durometer |
Part Numbers & Compatibility
| SKU | SU S163-XL-A |
| Product Name | SU S163-XL-A1 Load Wheel Assy for Superior |
| OEM/Manufacturer Part Number | SU S163-XL-A1 (note: slight suffix variation in the market) |
Wheel Dimensions
| Material | Cushothane XL |
| Outside Diameter | 3.25 |
| Inside Diameter | 1.938 |
| Width Side to Side | 4.5 |
| Tread Profile | Angle |
| Bore Depth | 0.71 |
| Hub Width | 4.5 |
| Bore Outside Diameter | 2.0467 |
Frequently Asked Questions
Q: What is the main difference between SU S163-XL-A and SU S163-XL-A1?
A: Both part numbers refer to the same polyurethane load wheel assembly (97A durometer) with bearing and axle for Superior-brand electric lift trucks. Slight SKU suffix variations may exist in the market (A versus A1), but mechanical specifications and compatibility are identical. Verify the actual part number on your current assembly and order the exact match.
Q: Are there cross-reference part numbers for the SU S163-XL-A?
A: No cross-reference or equivalent part numbers have been identified for the SU S163-XL-A beyond the suffix variant SU S163-XL-A1. Both SKUs are considered original manufacturer designations. If unsure which variant you need, compare the part number label on your current assembly and order that exact SKU.
Q: What are the wheel dimensions for the SU S163-XL-A assembly?
A: The wheel diameter is 3.250 inches (also written as 3-1/4 inches or 82.55 mm). The width is 4.500 inches (also 4-1/2 inches or 114.30 mm). These measurements are critical for fitment. If your current wheel differs in size, the SU S163-XL-A will not fit properly.
Q: Can the SU S163-XL-A wheel and bearing be separated for individual replacement?
A: The SU S163-XL-A is sold as a complete pre-assembled unit. While the wheel and bearing are mechanically separable, factory assembly uses press-fit and precision tolerances. Attempting to disassemble may damage components. If only the wheel is worn, you can remove the assembly and replace it with a new one. Service replacement of individual parts is not recommended without proper equipment.
Q: What should I inspect during installation of the SU S163-XL-A to ensure proper fit?
A: Before installation, check that the lift truck mounting points are clean, straight, and undamaged. Verify that the fastener holes in the truck frame align with the assembly mounting points. Spin the wheel by hand to confirm it rotates freely with no resistance, binding, or wobble. Ensure all mounting fasteners are tight after installation and recheck after the first 8 hours of operation.