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Kingpins
2" Kingpins
HOLLAND ‘L’ Series
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HOLLAND ‘L’ Series

The HOLLAND ‘L’ Square Spool Series Kingpins are for OEM and aftermarket replacement, and are offered in American Association of Railroads (AAR) models. 

Product information

The HOLLAND ‘L’ Series Kingpin when properly installed, meets or exceeds the performance requirements of the AAR standard M-931, Truck and Trailer Manufacturers Association (TTMA) and the Society of Automotive Engineers (SAE).  

The ‘L’ Series Kingpin features: 

  • High impact resistance 

  • Maximum wear resistance 

  • Optimum strength and fatigue resistance 

  • Ease of installation 

Technical data
Material: AISI 4320H and 4718H 
Hardness: 380-420 BHN
Quality: 100% inspected for internal and external integrity
Literature
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HOLLAND Kingpins Brochure
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