Product Description
The SU S9157-XL load wheel is designed for optimal performance in electric pallet truck applications. This durable wheel combines functionality with high-quality materials for reliable use in various settings.
Specifications: 5.000 inch diameter x 4.125 inch width (5.000" x 4.125" | 5 x 4.13 wheel | 5 x 4.125 | 127.00mm x 104.77mm)
• Constructed with Cushothane XL 97A Shore A polyurethane for enhanced durability
• Ideal for heavy-duty applications, providing excellent wear resistance
• Interchangeable with SUS9157X and SUS9157-XL-A models for versatile use
This load wheel is perfect for electric pallet trucks, ensuring smooth operation and longevity.
Specifications
Material & Construction
| Durometer (Hardness) | 97A Shore A |
| Wheel Core Material | Precision-machined steel |
| Surface Finish | Machined steel with polyurethane elastomer tread |
Part Numbers
| Manufacturer Part Number | SU S9157-XL |
| OEM Part Number | S9157 |
| Cross-Reference Part Numbers | Equivalent to SUS9157X, SUS9157-XL-A; Interchangeable with S9157, SU S9157-XL-A |
Wheel Dimensions
| Material | - |
| Outside Diameter | 5 |
| Inside Diameter | 2.125 |
| Width Side to Side | 4.12 |
| Tread Profile | 3/8 Radius |
| Bore Depth | 0.826 |
| Hub Width | - |
| Bore Outside Diameter | 2.4406 |
Frequently Asked Questions
Q: How does the Cushothane XL 97A compound differ from standard polyurethane?
A: The SU S9157-XL uses Cushothane XL rated at 97A Shore A hardness, which is harder and more durable than standard polyurethane wheels. The 97A rating means the compound resists abrasion and cut-through damage in harsh warehouse environments with concrete debris, metal edges, and rough floors. This hardness provides extended lifespan in heavy-duty operations, but may offer less cushioning than softer compounds. The trade-off is reduced vibration dampening for increased tread life.
Q: Which pallet jack models are compatible with the SU S9157-XL wheel?
A: The SU S9157-XL fits electric pallet trucks with a 5.000 inch diameter, 4.125 inch width specification and 2.125 inch bore. This wheel is cross-referenced as equivalent to SUS9157X and SUS9157-XL-A. Common OEM brands include Crown, Raymond, Toyota, and Yale. Verify your axle bore size and wheel pocket depth to ensure proper fitment. If your jack uses a different bore diameter, this wheel cannot be mounted without hub modification.
Q: What applications are best suited for the SU S9157-XL?
A: The XL compound is designed for heavy-duty warehouse operations with rough floors, high-cycle use, and extended hours of operation. Ideal applications include distribution centers, manufacturing plants, and outdoor use where wheels contact sharp debris and aggregate concrete. This wheel is not necessary for light-duty or climate-controlled retail environments. If your jack operates fewer than 8 hours per day on smooth epoxy or sealed concrete, standard polyurethane may be more economical.
Q: What is the typical replacement interval for the SU S9157-XL?
A: In heavy-duty continuous operations, expect 24 to 36 months of service life. The 97A hardness extends wear life compared to softer compounds, making it cost-effective for high-cycle warehouses. Inspect wheels every 6 months for flat spots or chunking. Uneven wear patterns indicate steering misalignment or bearing issues; correct these problems before replacing wheels to avoid premature failure of replacement units.
Q: Can I mix SU S9157-XL wheels with other polyurethane compounds on the same jack?
A: No, do not mix XL wheels with standard or EZ compound wheels on the same jack. Different hardness ratings create traction and steering imbalance. The XL wheels will wear more slowly, creating uneven brake response and lateral drift over time. For consistent performance and safety, replace all four wheels with the same compound specification. If upgrading from standard to XL, replace all wheels simultaneously.
Q: How do I install the SU S9157-XL wheel?
A: The SU S9157-XL is a direct bolt-on replacement. Remove the cotter pin and nut from the axle. Slide the old wheel off and slide the new XL wheel onto the axle, ensuring the bore slides fully onto the axle shaft. Replace the nut and tighten to manufacturer specification (typically 35 to 45 foot-pounds for pallet jack applications). Install a new cotter pin. Verify the wheel spins freely without drag. Do not overtighten, as this will bind the wheel and cause premature bearing failure.