| Parameter | Description |
| Part Number | 3B7721 |
| Product Name | Reducer Bushing |
| Brand | Caterpillar |
| Product Type | Reducer Sleeve Bushing |
| Material | High-strength alloy steel |
| Strength & Performance | Designed to adapt shaft sizes and provide wear resistance |
| Surface Treatment / Coating | Heat-treated and anti-corrosion |
| Function / Installation Position | Shaft connection and alignment |
| Operating Conditions | Heavy equipment assemblies |
| Weight | 0.028 kg |
| Packaging | Sealed packaging |
| Lead Time | 30–90 days |
| Shipping Method | Air / Sea |
| Payment Method | USD / RMB / Ruble |
| Warranty | 6 months |
