China tractor trailer king pin Manufacturers Factory Suppliers
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2 Inch Bolted Type Kingpin
Each 2 Inch Bolted Type Kingpin is meticulously machined to exact specifications, providing smooth surfaces, tight tolerances, and consistent geometry. This precision enables reliable alignment...
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2 Inch Welded Type Kingpin
The 2 Inch Welded Type Kingpin is commonly applied in standard fifth wheel configurations used across different regions, making it a familiar component within global trailer coupling systems. Its...
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3.5 Inch Welded Type Kingpin
Once welded into place, the 3.5 Inch Welded Type Kingpin maintains its position throughout the service life of the trailer, supporting predictable engagement with the fifth wheel. The absence of...
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3.5 Inch Bolted Type Kingpin
As trailer manufacturing moves toward standardized production and global supply chains, the 3.5 Inch Bolted Type Kingpin has been developed to support consistent dimensions, repeatable assembly,...
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