Product Description
Load Wheel
Frequently Asked Questions
Q: What does XL designation mean on SU S9129-XL and how is it different from standard S9129?
A: XL indicates extra-large diameter or wider wheel width compared to the standard SU S9129. The XL variant provides greater load capacity and more stable rolling on uneven surfaces. Specifications vary by variant; measure your current wheel diameter and width, then confirm the SU S9129-XL dimensions match your truck manual specifications. Do not assume XL wheels fit all trucks; bore size and fitment must be verified.
Q: What is the load capacity of SU S9129-XL compared to standard wheels?
A: The larger diameter and width of SU S9129-XL increase load rating by 30 to 50 percent compared to standard 3.00 inch wheels, typically supporting 1000 to 1500 pounds per wheel. The exact rating depends on material (nylon vs. rubber), bearing type, and axle configuration. Consult your truck manual or the SU S9129-XL specification sheet for precise load rating; do not exceed the rated capacity.
Q: Can I upgrade from standard SU S9129 to SU S9129-XL on my existing electric truck?
A: Yes, if the bore size (typically 20mm) and axle length remain the same. XL wheels are a direct replacement if dimensions fit. However, larger wheels can affect steering geometry and braking performance; consult your truck manufacturer before upgrading. Install all four wheels as a matched set to maintain even rolling and steering response. If the XL wheel does not fit the axle, stop immediately and verify bore size.
Q: Is installation of SU S9129-XL the same as standard wheels?
A: Yes, installation is identical if bore size and axle length match. Slide the wheel onto the 20mm axle and secure with the retaining clip. The larger weight of XL wheels may require slightly more force when installing by hand, but no special tools or modifications are needed. Inspect the axle for corrosion or damage before installation; clean if necessary. Ensure the wheel spins freely with no wobble.
Q: What is the lifespan of SU S9129-XL and how do I know when to replace it?
A: Lifespan is typically 24-36 months in normal warehouse use, depending on material type and usage intensity. Replace when you observe flat spots, deep cracks, hardening, or loss of rolling smoothness. The larger wheel may wear slightly slower than standard wheels due to reduced pressure per axle, but inspect all four wheels regularly. If one wheel fails, replace all four as a set to maintain balanced steering and braking.
Q: Does SU S9129-XL cross-reference to other manufacturer XL-size load wheels?
A: Cross-references depend on exact diameter and width specifications; contact the parts supplier or manufacturer with your truck model and current wheel measurements. SU S9129-XL may be equivalent to certain Hyster or Yale XL variants, but bore size and load rating must match exactly. Do not substitute without written confirmation of fitment; incorrect bore or dimensions will cause installation failure.