HOLLAND Cruciform Series

The HOLLAND Cruciform Kingpins are for OEM installation and aftermarket replacement, and are offered in American Association of Railroads (AAR) and non-AAR models.  

Technical data



Material AAR: AISI 4320H and 4718H
Hardness AAR: 380-420 BHN
Material Non-AAR: AISI 8630H Alloy Steel 
Hardness Non-AAR: 302-363 BHN
Quality: 100% inspected for internal and external integrity


Product information

The HOLLAND Cruciform Kingpins when properly installed, meet or exceed the performance requirements of the AAR standard M-931, Truck and Trailer Manufacturers Association (TTMA) and the Society of Automotive Engineers (SAE). Non-AAR models when properly installed, meet or exceed the performance requirements of the TTMA and SAE. 

The Cruciform Kingpins feature: 

  • High impact resistance 

  • Maximum wear resistance 

  • Optimum strength and fatigue resistance 

  • Ease of installation 

Recommended use

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