Product Description
SU 9144-XL-A is an aftermarket polyurethane load wheel assembly for electric lift trucks, engineered for high duty cycles and extreme surface conditions, featuring XL3™ bonding for guaranteed bond integrity and 97A durometer polyurethane for enhanced cut and tear resistance. Suitable for demanding material handling applications where durability and reliability are critical.
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
Material
| Material Durometer Rating | 97A durometer |
Part Numbers
| Manufacturer Part Number | SU 9144-XL-A |
| Base Part Number | SU 9144-XL |
| Generic Equivalent Part Number | GW 9144-XL-A |
Performance
| Duty Cycle Rating | Highest duty cycle tolerance classification |
Wheel Dimensions
| Material | Cushothane XL |
| Outside Diameter | 3.25 |
| Inside Diameter | 1.938 |
| Width Side to Side | 4.5 |
| Bore Depth | 0.512 |
| Hub Width | 4.5 |
| Bore Outside Diameter | 2.1649 |
Frequently Asked Questions
Q: What is the cross-reference part number for SU 9144-XL-A?
A: SU 9144-XL-A is equivalent to generic part number GW 9144-XL-A. The base part number is SU 9144-XL. Always verify the XL designation to confirm you are getting the XL3 bonding technology with 97A durometer polyurethane, not standard grade wheels.
Q: Which electric lift truck models is SU 9144-XL-A compatible with?
A: SU 9144-XL-A is designed for electric pallet jacks and ride-on lift trucks that accept a 3.25 inch diameter x 4.5 inch width wheel with 1.938 inch bore. Verify your trucks wheel pocket dimensions and bore diameter before ordering. This wheel assembly is rated for the highest duty cycle classification and extreme surface conditions.
Q: What are the performance differences between SU 9144-XL-A and standard polyurethane wheels?
A: SU 9144-XL-A uses XL3 bonding technology and 97A durometer polyurethane, which provides enhanced cut and tear resistance compared to standard wheels. This construction is engineered for high duty cycles on rough surfaces, concrete with cracks, and debris-laden floors. Standard wheels typically have lower durometer ratings and lack the XL3 bond guarantee.
Q: How do you install SU 9144-XL-A on an electric lift truck?
A: Remove the axle bolt or cotter pin securing the old wheel assembly. Slide the wheel off the axle. Clean the axle to remove debris and inspect for scoring. Slide SU 9144-XL-A onto the axle, ensuring the bore (1.938 inch) aligns properly. Reinstall the axle bolt or cotter pin and tighten securely. Do not overtighten as this can damage the polyurethane bonding.
Q: What is the expected lifespan of SU 9144-XL-A?
A: SU 9144-XL-A is rated for the highest duty cycle tolerance classification. Lifespan depends on application intensity, load weight, and floor conditions. In high duty cycle applications on extreme surfaces, expect 12 to 24 months of service. Inspect wheels every 6 months for wear, cracks, or separation from the core. Replace immediately if you observe chunks missing, flat spots, or torn sections.
Q: What maintenance does SU 9144-XL-A require?
A: Monthly inspection is recommended. Clean wheels with a damp cloth to remove dirt, sand, and chemical residue that accelerates polyurethane degradation. Check for uneven wear patterns, which indicate misaligned axles or bent frame components. Do not use harsh solvents or high pressure washers as these damage the polyurethane. Rotate wheels side to side if wear is uneven to extend service life.