Up to 350 lbs
Up to 6,000 lbs
Up to 16,000 lbs
Up to 40,000 lbs
High-capacity loads
Shock absorbing
Corrosion resistant
Outdoor / rough terrain
OEM replacements
All measurements indicate the wheel diameter by the tread width.
The below capacity ranges indicate the working (dynamic) load that each caster will support. A safety factor should be included in your formula to determine your required load rating per caster.
W/(C-1)=R W is total weight needed to move. C is total number of casters required. R is ideal load rating, with safety factor built in. Divide the total load weight by one less caster than you will use to safely determine load rating.
Plate dimensions shown are overall mounting plate size.
When replacing existing casters, select the closest plate size and verify bolt-hole compatibility.
BHP = Bolt Hole Pattern, shown under each plate.


The Durastar DUA/TUA SIRIUS 5" Wheel Series combines strength, performance, and longevity in one compact package. Engineered with high-grade polyurethane bonded to a precision-machined aluminum core, this wheel is built to handle demanding applications with ease while offering long-lasting floor protection.
Thanks to its chemical-resistant and non-marking tread, the SIRIUS 5" wheel is ideal for environments where durability and cleanliness are essential. Whether you're moving carts, machinery, or equipment through tight spaces, the compact diameter and robust build deliver unmatched maneuverability and reliability.
With a proven track record in industrial and commercial applications, Durastar’s SIRIUS wheels provide exceptional resistance to flat-spotting and offer a smooth, quiet roll under heavy loads. Trust Durastar for your mobility needs where performance and quality matter most.
Elevate your operations with the rugged efficiency of Durastar DUA/TUA SIRIUS 5" Polyurethane on Aluminum Wheels — designed to meet the demands of today’s toughest material handling challenges.
