Manufactured Lean in the USA

Hamilton HPI™ Technology

Hamilton Precision Integrated

The Extra Heavy Duty Series features Hamilton’s Precision Integrated HPI™ Swivel Technology. The new technology outperforms conventional CNC-machined ball raceways, kingpinless, and unit load bearing swivel constructions. 

Hamilton Durability

Three Year Warranty

The Extra Heavy Duty Series (EHD) is backed by Hamilton’s Three Year Product Warranty. Refer to selection table for qualifying wheels.