Product Description
The Poly Caster Wheel Assembly is designed specifically for electric lift trucks, providing durability and smooth operation. This high-quality wheel assembly enhances mobility and efficiency in various industrial applications.
Specifications: 4.000 inch diameter x 2.500 inch width (4.000" x 2.500" | 4 x 2.5 wheel | 4 x 2-1/2 | 101.60mm x 63.50mm) | Bearing ID: 25mm (0.984 inch bore | 25.000mm ID)
• Constructed from durable poly material for long-lasting performance
• Designed for easy installation and compatibility with electric lift trucks
• Provides excellent load-bearing capacity and stability
This caster wheel assembly is ideal for use in warehouses, factories, and other settings where electric lift trucks are employed.
Specifications
Material
| Material Type | 95A Polyurethane |
| Wheel Material | Polyurethane ( 95A) |
Part Numbers
| Cross-Reference Part Numbers | GP 9143-A-R, GP9143-A-R |
Wheel Dimensions
| Outside Diameter | 4 |
| Width Side to Side | 2.5 |
Frequently Asked Questions
Q: What does the R designation indicate on this wheel assembly?
A: The R designation typically indicates a replacement or refurbished version designed as a direct OEM equivalent. GW 9143-A-R is engineered to replace worn or damaged wheels on existing lift trucks without requiring fixture modifications. It maintains the same 4.000 x 2.500 inch footprint and 25mm bearing bore as original equipment, ensuring fit and function are identical to factory-supplied wheels.
Q: Is GW 9143-A-R interchangeable with GW 9143-A or GW 9143-A-DS?
A: GW 9143-A-R is interchangeable with GW 9143-A on a 1-to-1 basis. Both use single sealed bearings and 95A polyurethane. However, GW 9143-A-R is not equivalent to GW 9143-A-DS because the DS version has double sealed bearings. If your truck currently runs GW 9143-A wheels, replacement with GW 9143-A-R maintains the same performance. If your truck runs DS wheels, do not mix R and DS versions; replace all four wheels with the same configuration.
Q: Can I install GW 9143-A-R on a lift truck that originally came with GP 9143-A-R?
A: Yes. GW 9143-A-R and GP 9143-A-R are cross-branded equivalents with identical specs: 4 x 2.5 inches, 25mm bore, 95A polyurethane, single sealed bearing. Both are direct replacements. Install as a plug-and-play assembly requiring no modifications. Cross-brand installation is acceptable and requires no retooling or truck adjustment.
Q: What installation tools are required for GW 9143-A-R?
A: Installation requires: (1) hex socket wrench or pneumatic impact wrench matching your truck axle bolt size, (2) rubber mallet for tapping wheel on or off the shaft if press-fit required, (3) safety jack to lift the truck. Do not use a hydraulic jack on the truck itself; use a floor jack under the frame. Most installations take 10 minutes per wheel. Ensure the truck is on a level surface and pneumatic lines are depressurized before starting.
Q: What are the operational specifications for load capacity and speed?
A: GW 9143-A-R supports the full load rating of your truck model. Typical electric lift trucks range 4000-6000 pounds capacity; divided by four wheels, each wheel sees 1000-1500 pounds. Maximum operating speed is 5 mph on smooth floors; do not exceed. Operating temperature range is 32-122 degrees Fahrenheit. Do not operate outdoors or in wet conditions; polyurethane loses traction on wet surfaces.
Q: When should I replace GW 9143-A-R, and what are the wear indicators?
A: Replace when tread wears to 0.500 inch thickness or when flat spots exceed 0.100 inch depth. Typical replacement interval is 24-36 months under normal 8-hour daily use. Early wear indicators include squealing, uneven tire contact, or loss of traction on smooth floors. Inspect bearing annually by spinning the wheel; if it stops within 1 second, replace the assembly. Preventive replacement at 30 months reduces unexpected downtime.