Product Description
Polyurethane load wheel (SKU SU 9143 XL) for electric lift trucks, featuring a 4.00 inch diameter and 2.50 inch width, Cushothane XL compound, steel core, and XL3 bonding. Designed for high-duty cycle and harsh surfaces. Cross-reference part numbers: S9143XL, L509143R, SU S9143 XL.
Specifications: 4.000 inch diameter x 2.500 inch width (4.000" x 2.500" | 4 x 2.5 wheel | 4 x 2-1/2 | 101.60mm x 63.50mm)
Specifications
Part Numbers
| Primary Manufacturer Part Number | SU9143XL |
| Alternate Part Numbers | S9143XL, SU S9143 XL, SU 9143-XL-A |
| Cross-Reference Part Numbers | L509143R (Superior Tires & Wheels), S9143XL (Superior) |
| Equivalent Part Numbers | S9143XL-A-R |
Wheel Dimensions
| Material | Cushothane XL with Steel Core |
| Outside Diameter | 4.000 inches |
| Inside Diameter | 1.938 inches |
| Width | 2.500 inches |
| Tread Profile | 1/4 Radius |
| Bore Depth | 0.591 inches |
| Hub Width | 2.500 inches |
| Bore Outside Diameter | 2.0467 inches |
| Bonding Technology | XL3 Bonding |
Applications
| Compatible Equipment Types | Electric Pallet Jacks, Walkie Stackers, Electric Lift Trucks, Load Trucks |
| Environment | Indoor/Outdoor, High-Duty Cycle, Harsh Surfaces |
Frequently Asked Questions
Q: What are the equivalent part numbers for the SU 9143 XL?
A: The SU 9143 XL has multiple cross-reference part numbers: S9143XL (Superior), SU S9143 XL, SU 9143-XL-A, and L509143R (Superior Tires and Wheels). All these numbers refer to the same wheel. When ordering from secondary suppliers or used equipment dealers, verify the exact cross-reference to avoid compatibility errors.
Q: What is the difference between SU 9143 and SU 9143 XL?
A: Both are 4 x 2.5 wheels with Cushothane XL material, but the XL variant features XL3 bonding technology and a steel core for enhanced durability in high-duty cycle and harsh surface environments. The XL3 bonding provides superior adhesion between the polyurethane tread and hub, reducing delamination risk in extreme wear conditions. Use SU 9143 XL for heavy industrial or outdoor applications.
Q: Does the SU 9143 XL come as a complete assembly or wheel only?
A: The SU 9143 XL is the wheel component only. It does not include bearings, bushings, or hardware. You must install it onto your existing wheel hub or axle assembly. For a complete pre-assembled wheel with bearings, order part number SU 9143-XL-A.
Q: Can I interchange SU 9143 XL wheels with standard SU 9143 wheels on the same equipment?
A: Yes, they are physically interchangeable because they share the same 4.000 inch diameter, 2.500 inch width, and 2.0467 inch bore diameter. However, do not mix wheel types on the same truck or jack. Install either all SU 9143 or all SU 9143 XL wheels—mixing introduces uneven wear, steering drag, and premature tire failure.
Q: What is the manufacturing standard for the SU 9143 XL?
A: The manufacturer part number is SU9143XL. This wheel meets industrial material handling standards for load capacity, dimensional tolerance, and bounce. The XL3 bonding system is a proprietary process that improves tread-to-hub adhesion beyond standard molding methods.
Q: Should I choose SU 9143 or SU 9143 XL for outdoor dock operations?
A: Choose the SU 9143 XL for outdoor dock work. The XL3 bonding and steel core handle moisture, temperature swings, and rough asphalt or concrete better than the standard SU 9143. The enhanced durability justifies the higher cost in harsh environments where delamination risk is high.