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Series EPSD Enhanced Precision Super Duty Casters

Capacity Range: 2000 – 10,000 lbs.


The Enhanced Precision Super Duty (EPSD) Series is a handsome caster with good proportions and balance. The series is a significant upgrade from the PSD Series it replaces and is better positioned to outperform in applications suited between our Maxi-Duty (MD) and Extra Heavy Duty (EHD) Series.

The unit load bearing has been replaced with new HPI™ Swivel Technology that has been proven superior to designs with conventional unit load bearings. The new EPSD also features a slightly larger top plate with slotted holes to accommodate the former PSD Series bolt pattern and adds an additional bolt pattern popular in the industry.


Quality Features & Specs

  • Swivel Construction 1/2" thick drop forged steel mounting plate; 3/8" x 4" precision laser cut steel legs robotically welded inside and out to forged steel horn base.
  • Kingpin 1" diameter integrally forged with mounting plate and threaded for adjustable slotted nut and cotter pin.
  • Main Load Bearing HPI™ thrust bearing with outside diameter of 5 5/16"; raceways hardened to 58-62HRC and ground to surface finish 16 micro inches.
  • Secondary Load Bearing 1" precision tapered thrust bearing counteracts radial thrust.
  • Product Finish Powder Coated - Caster rigs are powder coated with Hamilton’s new Crimson Powder, a metallic HAA Polyester providing a premium look and excellent durability for both interior and exterior environments.
  • Axle 1" dia. grade 5 hex head with lock nut.
  • Lubrication Fittings Ball-check type in swivel assembly and in wheels with tapered roller bearings.


Caster Engineering Tools

These calculators apply to any caster application—even if you’re browsing a different category. Use them to estimate load rating per caster, select wheel material, and estimate push/pull force. Expand any tool for full analysis + a share-ready spec line.

CasterSpec Load Calculator
Fast estimate. Expand for safety factor + uneven floor + spec output.
Expand full calculator
Load
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Base per caster
Worst-case per caster
Recommended rating
Spec output (auto-generated)
Tip: paste into RFQs / threads. Expand tool for advanced inputs.
WheelMatch Material Selector
Fast recommendation. Expand for noise, duty cycle, floor protection.
Expand full selector
Wheel
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Primary recommendation
Good alternate
When to avoid
Spec output (auto-generated)
Engineers share tools that output a clean “why” line.
PushForce Push/Pull Calculator
Estimate effort fast. Expand for operators, materials, bumps, startup mode.
Expand full push/pull
Push
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Estimated total force
Per operator
Pass / target
Spec output (auto-generated)
If effort is high: bigger wheels + better material + smoother path wins.
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