| Parameter | Description |
| Part Number | 04120-21736GX |
| Product Name | Belt |
| Brand | Komatsu |
| Product Type | Engine Drive Belt |
| Material | High-strength rubber (EPDM) with reinforced cord |
| Strength & Performance | Ensures stable power transmission for heavy-duty excavator operation |
| Surface Treatment / Protection | Heat-resistant and oil-resistant belt compound |
| Dimensions & Structure | OEM standard configuration |
| Function / Installation Position | Engine accessory drive (fan/alternator/water pump) |
| Operating Conditions | Excavator heavy-duty operation |
| Compatible Models | PC600, PC750, PC800, PC1800 |
| System | Engine accessory drive system |
| Weight | 0.22 kg |
| Packaging | Industrial polybag + carton packaging |
| Lead Time | 30–90 days |
| Shipping Method | Sea / Air / Land |
| Payment Method | USD / RMB / RUB |
| Warranty | 6 months |
