GWK-MJ55-W48-LW

Frequently Asked Questions

Q: Is GWK-MJ55-W48-LW compatible with pallet jacks other than Maxx Jack MJ55-W48?
A: GWK-MJ55-W48-LW is engineered specifically for Maxx Jack MJ55-W48 manual pallet jacks. No documented cross-reference part numbers exist for equivalent applications. Do not force-fit this assembly to other brands or models, as axle diameter, bearing pocket geometry, and mounting pin locations will not align. Fitment outside the specified model can cause safety hazards and void warranty.

Q: What is the durometer rating of the wheels, and why does it matter?
A: GWK-MJ55-W48-LW features 70D durometer ultra-polyurethane wheels. The 70D hardness strikes a balance between grip and wear resistance. Higher durometer (harder) wheels roll easier but wear faster on rough surfaces. Lower durometer (softer) wheels grip better but chunk and tear on debris. 70D is standard for industrial warehouse floors; if your facility has polished concrete or epoxy, these wheels will perform optimally without excessive friction loss.

Q: How do I install GWK-MJ55-W48-LW, and what tools are required?
A: This is a drop-in replacement assembly. Remove the cotter pins or roll pins from the existing load wheel axles, slide out the old wheel assembly, and slide the new GWK-MJ55-W48-LW assembly in place. Align the axle holes and re-install roll pins (included). No special tools required beyond a small punch or pin driver to remove and seat the roll pins. Installation takes approximately 10 minutes per wheel assembly. Do not over-torque or force the assembly; if resistance occurs, verify axle bore alignment.

Q: What is the load capacity and assembly dimensions?
A: GWK-MJ55-W48-LW is rated for the full 5500 lb pallet jack capacity when properly installed on Maxx Jack MJ55-W48 models. The assembly features integrated precision bearings and steel axles engineered to handle sustained industrial use. Verify that your pallet jack nameplate confirms 5500 lb rating. The wheel kit maintains OEM dimensions and bearing tolerances to ensure safe load distribution across the four-wheel assembly.

Q: How often should I service the integrated bearings, and what maintenance is required?
A: GWK-MJ55-W48-LW includes sealed precision bearings that are maintenance-free under normal warehouse conditions. Do not attempt to relubricate or disassemble the bearing cartridges. Inspect bearings monthly for noise, lateral play, or roughness during wheel rotation. If bearings develop grinding sounds or resist rotation, the entire wheel assembly must be replaced; individual bearing replacement is not field-serviceable. Clean debris from wheel treads regularly to prevent bearing strain.

Q: When should I replace this wheel kit, and what are the failure symptoms?
A: Replace GWK-MJ55-W48-LW when you observe flat spots on the wheel tread, polyurethane chunks missing, bearing noise, or lateral axle movement exceeding 1/8 inch. Typical lifespan is 2-4 years depending on floor surface roughness and daily usage hours. If the jack pulls to one side or requires excessive operator force to maneuver, worn wheels are likely the cause. Do not attempt to repair; replace the entire assembly to maintain safety and rated load capacity.