Product Description
LOAD WHEEL
Frequently Asked Questions
Q: What are the specifications for the SU S420 load wheel, and what lift equipment models does it fit?
A: The SU S420 is a standard load wheel for electric lift trucks and pallet jacks. Exact diameter, width, and durometer specifications are available through the equipment manual or technical documentation for your specific model. To verify fitment, compare the part number from your existing wheel or equipment documentation with the SU S420. Contact technical support or your equipment manufacturer with your model number and serial range if you are uncertain whether this wheel is compatible with your equipment.
Q: How do I determine if the SU S420 is the correct replacement for my current load wheel?
A: Locate the part number stamped or molded onto your current load wheel. Cross-reference that number with the SU S420 part number. If they match, the SU S420 is the correct replacement. If part numbers do not match, measure your current wheel diameter and width, then verify those dimensions against the SU S420 specifications. Confirm the bore diameter and bearing housing size also match. Do not assume wheel compatibility based on size alone, as bore diameters and mounting configurations vary significantly across equipment models.
Q: What should I inspect when diagnosing problems with the SU S420 load wheel?
A: Inspect the wheel for flat spots, cracks, or missing chunks of poly material. Check the bore for debris, rust, or damage that could cause binding. Spin the wheel by hand to confirm it rotates freely without grinding, squeaking, or resistance. Look for uneven wear patterns that might indicate misalignment or bearing damage. If the bearing housing leaks grease or oil, the bearing assembly may need replacement. Document any abnormal noises, pulling to one side, or changes in rolling resistance before and after replacement to help diagnose related equipment issues.
Q: Is the SU S420 compatible with both electric and manual lift trucks?
A: The SU S420 is designated for electric lift trucks. Manual lift trucks, pallet jacks, and walkie stackers may use different wheel specifications even if dimensions appear similar. Always verify compatibility with your equipment documentation before installation. Using an incompatible wheel can cause equipment malfunction, unsafe handling, or voided warranty coverage. If your equipment type is unclear, contact the manufacturer with your model and serial number to confirm the correct replacement wheel.
Q: What is the recommended replacement interval for the SU S420 load wheel?
A: The SU S420 typically requires replacement every 2 to 4 years depending on load capacity, hours of use per week, floor conditions, and maintenance. High-use equipment in warehouses may need replacement annually. Inspect the wheel weekly for wear and replace it immediately if you observe flat spots, cracks, or excessive material loss. Worn wheels reduce load capacity, increase equipment strain, and create safety hazards. Replace all wheels on an axle or equipment at the same time to maintain balance and prevent uneven wear on replacement wheels.