Product Description
SU 9133-XL-A Load Wheel Assembly for electric lift trucks, featuring a polyurethane tread with steel-reinforced core and sealed precision ball bearings, compatible with Superior pallet trucks.
Specifications: 3.250 inch diameter x 3.250 inch width (3.250" x 3.250" | 3.25 x 3.25 wheel | 3-1/4 x 3-1/4 | 82.55mm x 82.55mm)
Specifications
Material & Construction
| Wheel Material | High-durability polyurethane tread on reinforced core |
| Bearing Material | Hardened steel inner and outer bearing races |
| Core Material | Steel reinforced hub |
| Finish | Machined and powder coated steel core |
Part Numbers
| Manufacturer Part Number | SU 9133-XL-A |
| Alternate Part Number | SU S9133-XL-A |
| OEM Part Number | SU 9133-XL-A |
Wheel Dimensions
| Material | Cushothane XL |
| Outside Diameter | 3.25 |
| Inside Diameter | 1.938 |
| Width Side to Side | 3.25 |
| Bore Depth | 0.591 |
| Hub Width | 3.25 |
| Bore Outside Diameter | 2.0467 |
Frequently Asked Questions
Q: What are the specifications of the SU 9133 load wheel?
A: The SU 9133 is a 3.250 inch diameter by 3.250 inch width (3-1/4 x 3-1/4 inch or 82.55 mm x 82.55 mm) load wheel assembly. It features high-durability polyurethane tread bonded to a steel-reinforced core. The bearing assembly uses hardened steel inner and outer races with sealed precision ball bearings for smooth, maintenance-free rotation.
Q: How is the SU 9133 core finished?
A: The SU 9133 steel core is machined to precise tolerances and powder coated for corrosion resistance. The machined finish ensures concentric rotation and proper load distribution. The powder coat protects the steel from rust and salt spray, extending hub life in wet or outdoor storage conditions. Do not strip or repaint the core, as this may compromise the bearing seal fit.
Q: When should I replace the SU 9133 load wheel?
A: Replace the SU 9133 when the tread is worn flat, cracked, or chunked. If the wheel does not spin freely or produces grinding noise, the sealed bearings may be damaged and replacement is needed. Visible rust or damage to the powder coat hub may indicate internal corrosion; replace the wheel if rust has progressed. Most wheels last 2 to 4 years depending on use.
Q: How do I install the SU 9133 load wheel?
A: Installation steps: (1) Raise and secure the equipment on jack stands. (2) Remove the cotter pin and axle bolt from the old wheel. (3) Slide the old wheel off the axle. (4) Align the SU 9133 bore with the axle and slide it on fully. (5) Install the axle bolt hand-tight, then insert the cotter pin. (6) Spin the wheel to verify free rotation. Tighten the bolt only enough to prevent side play; over-tightening damages the sealed bearings.