| Parameter | Description |
| Part Number | 2139100 |
| Product Name | Alarm AS-BAC |
| Brand | Caterpillar |
| Product Type | Backup Alarm Assembly |
| Material | Heavy-duty plastic housing with internal electronic alarm unit |
| Strength & Performance | High-decibel warning sound, durable and vibration-resistant design |
| Surface Treatment / Protection | Weather-resistant and dustproof construction |
| Dimensions & Structure | OEM standard specification |
| Function / Installation Position | Reverse/back-up warning system (mounted at rear of machine) |
| Operating Conditions | Mining and heavy construction environment |
| Compatible Models | 854G, 854K, 844H |
| System | Electrical safety system |
| Weight | 2 kg |
| Packaging | Industrial carton with protective padding |
| Lead Time | 30–90 days |
| Shipping Method | Sea / Air / Land |
| Payment Method | USD / RMB / RUB |
| Warranty | 6 months |