| Parameter | Description |
| Part Number | 1144246 |
| Product Name | Arm Ass’y Tightener |
| Brand | Caterpillar |
| Product Type | Belt Tightener Arm Assembly |
| Material | High-strength forged steel |
| Strength & Performance | Provides stable belt tension for engine accessory systems |
| Surface Treatment / Protection | Wear-resistant and anti-corrosion coating |
| Dimensions & Structure | OEM standard configuration |
| Function / Installation Position | Engine belt tensioner position |
| Operating Conditions | Bulldozer heavy-duty operation |
| Compatible Models | D9R, D8L |
| System | Engine accessory drive system |
| Weight | 4.5 kg |
| Packaging | Industrial carton packaging |
| Lead Time | 30–90 days |
| Shipping Method | Sea / Air / Land |
| Payment Method | USD / RMB / RUB |
| Warranty | 6 months |