Product Description
GWK-PTH-LW Load Wheel Kit for Crown PTH manual pallet jacks features ultra-polyurethane 70D black wheels, precision-sealed roller bearings, zinc-plated steel axles, and high tensile snap rings. Designed for direct compatibility with Crown PTH and PTH50 pallet jacks. Includes cross-reference to CR 44506-001-KIT and optimized for warehouse environments requiring durable, quiet, high-abrasion wheels.
Compatibility: Fits pallet jacks made by Crown, model PTH. SKU: GWK-PTH-LW
Specifications
Material & Construction
| Wheel Material Specification | Ultra-Polyurethane, Shore A 70D hardness |
| Wheel Color | Black |
| Bearing Type | Precision-sealed roller bearings, pre-lubricated |
| Axle Material | Zinc-plated steel |
| Snap Ring Type | High tensile snap rings |
Compatibility & Part Numbers
| Cross-Reference Part Numbers | CR 44506-001-KIT |
| Compatible Models | Crown PTH, Crown PTH50 (serial 7-000000 and higher) |
| Application | Warehouse environments requiring durable, quiet, high-abrasion wheels |
Frequently Asked Questions
Q: Is GWK-PTH-LW equivalent to CR 44506-001-KIT?
A: Yes. GWK-PTH-LW is the direct equivalent to Crown OEM part CR 44506-001-KIT. Both kits contain load wheel assemblies with 70D ultra-polyurethane wheels, precision-sealed roller bearings, and zinc-plated steel axles. If you see a part order reference to CR 44506-001-KIT, you can substitute GWK-PTH-LW. Verify your PTH or PTH50 serial is 7-000000 or higher before ordering.
Q: Why does GWK-PTH-LW specify serial 7-000000 and higher?
A: Crown updated the PTH50 wheel mounting geometry and bearing bore size starting at serial 7-000000. Earlier machines (serial below 7-000000) have different axle hole spacing or bearing bore diameters. Installing GWK-PTH-LW on machines below that serial range will result in misalignment, bearing wobble, or axle binding. Always confirm your machine serial against the compatibility range before purchase.
Q: What is the hardness rating for GWK-PTH-LW wheels, and how does 70D compare to other durometers?
A: GWK-PTH-LW wheels are 70D Shore A durometer ultra-polyurethane. This hardness rating means the wheels are moderately rigid yet provide slight flex to absorb impact and protect floors from damage. Lower durometers (60D or below) are softer and wear faster on rough concrete. Higher durometers (80D or above) are harder but transfer more shock to the jack frame and can damage sensitive flooring. 70D is the OEM standard for warehouse environments balancing durability, floor protection, and maneuverability.
Q: Can I use GWK-PTH-LW on outdoor concrete or rough floors?
A: GWK-PTH-LW can be used on outdoor concrete, but wheel wear will increase 40 to 60 percent faster than indoor use because rough surfaces increase friction and abrasion. If your warehouse has both smooth and rough areas, expect wheel replacement every 12 to 15 months instead of 18 to 24. Zinc-plated axles resist corrosion in outdoor humidity but inspect for rust at the wheel bore monthly.
Q: Are GWK-PTH-LW bearings pre-lubricated or do they need greasing?
A: GWK-PTH-LW bearings are precision-sealed and come pre-lubricated with a synthetic oil. No manual greasing is required. The sealed design prevents water and dirt from entering while retaining the factory lubrication throughout the bearing life. Attempting to add grease to sealed bearings can actually damage the seals and shorten bearing life. Replace the wheel assembly if bearing noise or drag develops.
Q: Do GWK-PTH-LW wheels come assembled on the axles or as loose components?
A: GWK-PTH-LW wheels, bearings, and axles ship as pre-assembled load roller units ready to bolt onto your pallet jack. The snap rings and fasteners are included separately. Installation involves removing your old axle assembly, sliding the new GWK-PTH-LW load roller onto the jack frame mounting bracket, aligning the mounting holes, and tightening the fasteners. Most technicians complete installation in 20 to 30 minutes per wheel.