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Weld-in Kingpin (M-rated)

The York Weld-In Kingpin (M-Rated) is a permanently fixed fifth-wheel coupling pin engineered for applications where maximum coupling rigidity and resistance to loosening are essential. Welded directly into the trailer king plate, it eliminates all risk of kingpin movement under dynamic loads.

Category:
  • Permanent weld-in fitment: The weld-in design creates a fully integrated connection between the kingpin and trailer king plate, eliminating any possibility of movement, rotation, or loosening under sustained dynamic coupling loads.
  • Vibration-resistant coupling integrity: The welded connection is completely immune to vibration-induced loosening, making it ideal for trailers subjected to continuous road vibration, rough terrain, or high-frequency load cycling.
  • Low-profile clean installation: The weld-in configuration produces a flush, streamlined king plate surface without exposed fasteners, reducing the risk of damage to coupling-related components.
  • International M-rated compliance: Manufactured to international M-rated coupling standards, ensuring compatibility and safety with certified fifth-wheel assemblies across all major tractor-trailer combinations.

Tipper Trailer

Box Trailer

Low Bed Trailer

Flatbed Trailer

Stake Trailer

Refrigerated Trailer

Kingpin Size

50 mm (2-inch)

Type

Weld-In

Rubbing Plate Thickness

10 mm

Tyre configuration:

Dual / Single

M-Rated Value

105 KN

Part

YKZ50M10

Additional information

Kingpin Size

50 mm (2-inch)

Type

Weld-In

Rubbing Plate Thickness

10 mm

Tyre configuration:

Dual / Single

M-Rated Value

105 KN

Part

YKZ50M10

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