HOLLAND Mushroom Series

The HOLLAND Mushroom Kingpins are the traditional style weld-in SAE kingpins for OEM installations and aftermarket replacement. 

Technical data



Material: AISI 8630H Alloy Steel 
Hardness: 302-363 BHN
Quality: 100% inspected for internal and external integrity


Product information

The HOLLAND Mushroom Kingpin models are for traditional weld-in applications and available in both 2” and 3.5” models. These models, when properly installed, meet or exceed the performance requirements of the Truck and Trailer Manufacturers Association (TTMA) and the Society of Automotive Engineers (SAE). 

The Mushroom Kingpins feature: 

  • High impact resistance 

  • Maximum wear resistance 

  • Optimum strength and fatigue resistance 

  • Ease of installation 

Recommended use

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