Enhanced Caster


Hamilton’s new addition to its caster lineup handles up to 20 tons and keeps a low profile.

The Enhanced Maxi-Duty (EMD2) Series features dual wheel forged steel wheels for heavy manufacturers who need to boost load capacities without increasing overall height.  The forged steel wheels are precision CNC-machined with a slight crown for improved rollability and swiveling, then clear-coated for a beautiful pristine appearance.    

A hybrid of Hamilton’s Maxi-Duty and Ultra Maxi-Duty lines, the new EMD2 series packs a small mounting plate paired with a massive swivel construction.

The common mounting plate size (8 1/2 by” 8 1/2”) makes it easy to swap out existing casters with EMD2.

The mounting plate is 5/8” thick joined with a 1” thick swivel base.  The legs are 3/4” thick and welded continuously inside and outside the swivel base.  The main load bearing is an immense 7” diameter thrust ball bearing while the secondary load bearing is a 1-1/4” precision tapered roller bearing to counteract radial thrust.    

The new series is offered in wheel diameters starting from dual 8” x 3” wheels rated @ 28,000 lbs. up to dual 12” x 4” wheels rated @ 40,000 lbs.


  • handles up to 20 tons
  • dual wheel forged steel wheels
  • improved rollability and swiveling
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