Company Introduction
Zhonglu specializes in heavy-duty transportation business and provides customers with the most cost-efficient transportation solutions. We supply tractor trucks, semi-trailers and all supporting spare parts.
Product Description
The FIARED MOUTH TRACTION DEVICE is a standard metal fitting on semi-trailers, which serves to connect the tractor truck and the semi-trailer. It is offered in two diameter sizes: 45mm and 50mm.
Specifications
- Material: 40CrMo alloy steel
- Material Hardness: 32–36 HRC
- Performance Grade: Grade 4.9 after quenching and tempering









