Product Description
Superior SU674-XL heavy-duty load wheel for Class 2 electric reach trucks. Features 6 inch outside diameter by 3.625 inch width with Cushothane XL polyurethane tread material bonded to solid steel hub using XL3 bonding technology. Engineered for continuous heavy-duty operation on challenging warehouse floor surfaces.
Specifications: 6.000 inch diameter x 3.625 inch width (6.000" x 3.625" | 6 x 3.63 wheel | 6 x 3-5/8 | 152.40mm x 92.07mm)
Specifications
Material & Construction
| Hub Material | Solid steel hub construction |
| Bonding Technology | XL3 polyurethane-to-metal bonding system |
Part Numbers & Compatibility
| Manufacturer Part Number | SU674-XL |
| Alternative Part Designation | SU 674-XL |
Performance Specifications
| Application Type | Class 2 electric reach truck load wheel |
| Duty Cycle Rating | Heavy-duty continuous operation |
Wheel Dimensions
| Material | Cushothane XL |
| Outside Diameter | 6 |
| Inside Diameter | 2.238 |
| Width Side to Side | 3.625 |
| Tread Profile | 3/8 Radius |
| Bore Depth | 0.669 |
| Bore Outside Diameter | 2.4384 |
Frequently Asked Questions
Q: What is the XL3 bonding technology on the SU 674-XL?
A: XL3 is a proprietary polyurethane-to-metal bonding system that bonds Cushothane XL tread to a solid steel hub. This technology prevents bond separation (delamination) under heavy continuous duty on rough warehouse floors. XL3 bonding is Superior Wheel and Caster proprietary and is not available on competitor products. Solid steel hub construction provides superior load capacity compared to polymer cores.
Q: What is the application for SU 674-XL on Class 2 electric reach trucks?
A: SU 674-XL is engineered for heavy-duty continuous operation on Class 2 electric reach trucks in high-cycle environments. These trucks operate in narrow aisles with frequent lifting and precise load handling. The 6.000 inch diameter x 3.625 inch width dimensions and XL3 solid steel hub support the dynamic loads and traction demands of reach truck applications. Not recommended for light-duty pallet jacks.
Q: How does SU 674-XL compare to standard commercial load wheels?
A: SU 674-XL features a solid steel hub versus hollow or thinner polymer cores on standard wheels. Cushothane XL tread is premium-grade polyurethane bonded with XL3 technology, preventing separation on rough or debris-filled floors. Heavy-duty duty cycle rating means it is rated for 8-plus hours per day continuous operation. Standard wheels typically degrade faster under this duty cycle. XL wheels cost more but last 2 to 3 times longer in harsh environments.
Q: What floor surfaces is SU 674-XL designed for?
A: SU 674-XL is rated for concrete, asphalt, polished warehouse floors, and light outdoor surfaces. Cushothane XL resists oil, grease, and mild chemical spillage. Solid steel hub provides stability on uneven or debris-scattered floors common in mixed-use warehouses. The wheel is not recommended for extreme heat (above 150 degrees F), wet/icy conditions, or sustained outdoor exposure. Tread profile and bonding are optimized for typical warehouse severity.
Q: What is the replacement interval for SU 674-XL under continuous duty?
A: Under 8-hour daily heavy-duty operation, expect 3 to 5 years of service before significant tread wear. The solid steel hub and XL3 bonding extend wheel life compared to standard products. Inspect every 3 months for tread depth (minimum 1/4 inch), sidewall cracks, or unusual noise. If the wheel no longer spins freely or bearing noise develops, replacement is necessary. Bond failures (tread separating from hub) are rare with XL3 but require immediate replacement if they occur.
Q: Can SU 674-XL be installed on a standard pallet jack?
A: SU 674-XL is sized at 6.000 x 3.625 inches (metric: 152.40 x 92.07mm), which fits standard axle pins on many pallet jacks. However, XL series wheels are engineered and rated for electric reach trucks with continuous duty cycles. Installing on a manual pallet jack is not recommended because the wheel is over-engineered for that application and represents unnecessary cost. Verify your truck class and duty cycle before ordering.