Product Description
Caterpillar GWK-NPP40-LW load wheel kit engineered for NPP40 pallet jacks. Features Durarun 95A polyurethane wheels with pre-installed sealed bearings, precision-machined steel axle, and high-strength fasteners for reliable load handling in demanding material handling operations.
Compatibility: Fits pallet jacks made by Caterpillar, model NPP40. SKU: GWK-NPP40-LW
Specifications
Part Numbers
| Manufacturer Part Number | GWK-NPP40-LW |
| OEM Part Number | GWK-NPP40-LW |
| Compatible Models | Caterpillar NPP40 |
Performance
| Industrial Duty Rating | Designed for continuous duty in warehouse environments |
Frequently Asked Questions
Q: Which Caterpillar pallet jack models use the GWK-NPP40-LW wheel kit?
A: The GWK-NPP40-LW is engineered specifically for Caterpillar NPP40 electric pallet jacks. This is not a universal kit. Verify your jack model on the nameplate before purchase to ensure correct fit. Using this kit on NPP60 or other models will cause misalignment and premature wear.
Q: What wheel material and bearing type are included in the GWK-NPP40-LW?
A: The GWK-NPP40-LW features Durarun 95A polyurethane wheels with pre-installed sealed ball bearings. The sealed bearings reduce maintenance and prevent water and debris ingress. The 95A durometer provides strong abrasion resistance suitable for continuous warehouse duty.
Q: Is the GWK-NPP40-LW a complete replacement kit or do I need additional parts?
A: GWK-NPP40-LW is a complete load wheel kit containing two wheels, pre-installed sealed bearings, a precision-machined steel axle, and all high-strength fasteners. Installation requires only basic hand tools and approximately 30 minutes per side. No additional components are required.
Q: How can I diagnose if the NPP40 wheels need replacement?
A: Signs of wheel failure include noticeable flat spots, pieces of tread missing, uneven wear on one wheel only, or grinding noise during operation. If the jack drifts to one side when pushed straight, check wheel wear first. If wheels appear intact, the issue may be bearing wear or axle damage.
Q: What is the duty cycle rating for the GWK-NPP40-LW wheels?
A: The GWK-NPP40-LW is rated for continuous duty in warehouse environments, meaning it can operate 8 or more hours daily. The Durarun 95A compound is engineered for high-duty applications on polished concrete and sealed floors. Outdoor or rough-floor use will reduce wheel life significantly.
Q: Can I use the GWK-NPP60-LW on an NPP40, or vice versa?
A: No. Do not interchange wheel kits between NPP40 and NPP60 models. Each kit is engineered for its specific jack geometry and load rating. Using the wrong kit will result in misalignment, poor handling, and potential safety hazards. Always match the kit SKU to your exact model number.