Product Description
LOAD WHEEL ASSEMBLY
Frequently Asked Questions
Q: What is included in the SU S338-A load wheel assembly?
A: SU S338-A is a complete assembly that includes the 1.5 inch hub, sealed bearing cartridge, wheel rim, and rubber tire. It is a plug-and-play replacement; you do not need to transfer any components from the old wheel.
Q: Can I install SU S338-A on a truck that currently has SU S338 individual wheels?
A: Yes. SU S338-A uses the same bolt pattern and axle bore as the individual SU S338 wheel. Bolt torque is 65 ft-lbs. You can mix and match SU S338-A assemblies with existing SU S338 wheels on the same truck for gradual replacement.
Q: What is the difference between SU S338-A and SU S338?
A: SU S338 is the wheel and tire only; you must source the hub and bearing separately. SU S338-A is a complete pre-assembled unit with an integrated bearing cartridge. SU S338-A saves labor time and eliminates bearing installation variables.
Q: Is the bearing in SU S338-A sealed or greasable?
A: The bearing in SU S338-A is a sealed unit and does not require manual greasing. Under normal conditions, the seal will remain effective for the life of the assembly. Do not attempt to open the seal to add grease; this will void the warranty and cause premature failure.
Q: How much does it cost to replace a failed SU S338-A bearing versus replacing the entire assembly?
A: Bearing replacement for SU S338-A costs approximately 40-50 percent of the full assembly price. However, bearing service requires hydraulic or arbor press removal and installation, which adds 2-3 hours of labor. Most shops recommend replacing the entire assembly rather than servicing the bearing.
Q: What load rating does SU S338-A support?
A: SU S338-A is rated for 2500 lbs per wheel on electric lift trucks rated up to 3000 lbs capacity. Do not use SU S338-A on trucks exceeding this capacity or the bearing seal will fail prematurely and internal rust will develop.