Polyurethane is the most-specified tread material for industrial casters — and for good reason. PU rolls quietly, applies low push-pull force on concrete and epoxy floors, and resists chunking under cyclic load. The "PU bonded to cast iron core" construction provides high capacity (up to 10,000 lbs per caster) with floor protection. Standard for warehouse and distribution-center applications across all 7 of our caster brands.
Specifications
| Capacity range | 100–10,000 lbs per caster |
|---|---|
| Temperature range | -40°F to +200°F |
| Floor compatibility | Concrete, epoxy, polished concrete, vinyl tile (light loads) |
| Construction | PU bonded to cast-iron, aluminum, or steel core |
Common Applications
- General warehouse pick carts, tugger trains, dolly fleets
- Distribution-center order-picking equipment
- Light-to-heavy assembly tooling on epoxy floors
- Hospital and institutional carts (general-duty applications)
- Cleanroom and electronics manufacturing (with antistatic PU)
When to Choose Polyurethane Casters
- Floor is concrete, epoxy, or polished concrete (the dominant 95% of cases)
- Operating temperature stays below 200°F
- Quiet operation matters (PU is quieter than rubber, much quieter than steel)
- Floor protection is required (PU does not leave marks like steel or cast iron)
Product Photos
Manufacturer photography from our distribution catalog. Click any photo for a larger view.
Polyurethane Casters: Series We Supply
Compare capacity per caster, wheel size and tread options, then open a series to see every configuration and request a quote.
| Series | Capacity per caster | Wheel diameter | Tread options | Configurations |
|---|---|---|---|---|
| Colson 4 SeriesColson · Heavy-duty industrial workhorse | 600–1,250 lb | 4"–8" | Polyurethane HI-TECH · Moldon Polyurethane (Aluminum Core) · Moldon Polyurethane (Cast Iron Core) | 2,895 |
| Colson 4 Series DefenderColson · Military and tactical heavy-duty | 600–1,500 lb | 4"–8" | Polyurethane HI-TECH · Moldon Polyurethane (Aluminum Core) · Moldon Polyurethane (Cast Iron Core) | 1,008 |
| Colson 2 SeriesColson · Medium-duty industrial general purpose | 300 lb | 4"–5" | Polyurethane HI-TECH | 719 |
| Colson 3 SeriesColson · Medium-heavy duty industrial | 300–400 lb | 3"–6" | Polyurethane HI-TECH | 186 |
| Colson 7 SeriesColson · Heaviest-duty kingpinless industrial | 3,800–8,470 lb | 8"–16" | PY - Polyurethane (Cast Iron Core) · PX - Thick Polyurethane (Cast Iron Core) · PA - Polyurethane (Aluminum Core) · VX - Thick Vulkollan Polyurethane (Cast Iron Core) · +1 more | 114 |
| Colson 4 Series StainlessColson · Heavy-duty stainless for marine and pharma | 600–1,000 lb | 4"–8" | Polyurethane HI-TECH | 90 |
| Colson 2 Series StainlessColson · Marine, food, pharma — full stainless | 300 lb | 5" | Polyurethane HI-TECH | 5 |
Ranges come from the manufacturer catalog and vary by configuration. Confirm specifications and availability with our team before purchase.
Recommended Brands
Brands we carry that perform best in this category.
Industries That Use Polyurethane Casters
We've specified this caster category across these South Florida and Latin American verticals.
Live during business hours
Real expert. No IVR. Quote by phone.
A caster or material handling specialist answers — 71 years of experience picking up the phone.
Mon–Fri · 8:30am – 5:00pm EST