| Parameter | Description |
| Part Number | 421-56-21760 |
| Product Name | Arm |
| Brand | Komatsu |
| Product Type | Mechanical Arm |
| Material | High-strength alloy steel with precision machining |
| Strength & Performance | Ensures reliable mechanical movement and structural stability |
| Surface Treatment / Protection | Wear-resistant and anti-corrosion coating |
| Dimensions & Structure | OEM standard configuration |
| Function / Installation Position | Mechanical linkage assembly |
| Operating Conditions | Bulldozer heavy-duty operation |
| Compatible Models | D475, D65, D275, D85 |
| System | Mechanical system |
| Weight | 0.525 kg |
| Packaging | Industrial polybag + carton packaging |
| Lead Time | 30–90 days |
| Shipping Method | Sea / Air / Land |
| Payment Method | USD / RMB / RUB |
| Warranty | 6 months |
