Product Description
Hyster HY 2091428-SG Caster Wheel Assembly features a high-durability 4 inch diameter, 2.5 inch tread width poly wheel with 95A hardness. Constructed with ASTM A36 steel and equipped with factory string guards, this part is designed for Hyster electric lift trucks requiring robust stabilization and smooth rolling performance.
Specifications
Material & Construction
| Caster Block Material | ASTM A36 structural steel |
| Tread Hardness | 95 Shore A (nominal) |
| Finish/Coating | Powder coat finish, industrial grade |
Mechanical Specifications
| Wheel Material | 95A polyurethane tread |
| Caster Block Construction | Heavy duty 1/4 inch steel |
Part Numbers & Compatibility
| OEM Part Number | HY 2091428-SG |
| Cross-Reference Part Numbers | HY2091428-SG, HY2091428SG, HY 2091428 |
| Replaces/Equivalent Part Numbers | HY 2091428 |
Frequently Asked Questions
Q: What does the SG designation mean on the HY 2091428-SG caster wheel?
A: The SG designation indicates this wheel includes factory-installed string guards. The wheel maintains the same 4 inch diameter, 2.5 inch tread width, and 95A polyurethane hardness as the base HY 2091428, with added protective string guard hardware.
Q: What is the caster block material specification for HY 2091428-SG?
A: The HY 2091428-SG caster block is constructed from ASTM A36 structural steel with heavy-duty 1/4 inch reinforcement and industrial-grade powder coat finish. This provides corrosion resistance and extended service life in material handling environments.
Q: What is the tread hardness rating of the HY 2091428-SG polyurethane wheel?
A: The HY 2091428-SG polyurethane tread has a hardness rating of 95 Shore A (nominal). This hardness level provides wear resistance and traction control typical for electric lift truck caster wheels.
Q: Are HY 2091428-SG and HY 2091428 interchangeable parts?
A: Yes. HY 2091428-SG and HY 2091428 are cross-reference equivalents with identical wheel dimensions and polyurethane specifications. The SG variant includes factory string guards; use the specific part number required by your equipment documentation.