ISO 9001:2015 Quality Manufacturing · ANSI ICWM Performance Tested
98.7% On-Time Ship Rate Across All Orders
200,000+ Orders Fulfilled for OEM & MRO Teams Nationwide
100+ Years of Combined Caster Industry Experience
Automatic Bulk Pricing | OEM & MRO Volume Discounts Applied at Checkout
Up to 350 lbs · Light Duty Applications
Up to 7,200 lbs · Industrial Duty
Up to 17,500 lbs · Heavy Industrial
Up to 40,000 lbs · Extreme Load Applications
Up to 40,000 lbs · Increased Maneuverability
Up to 3,100 lbs · Industrial Shock Absorbing
Up to 3,200 lbs - Corrosion Resistant
Stainless Steel
Up to 8,400 lbs.
Explore All Specialty Caster Applications
From Everyday Use to Niche Solutions
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.
Most in-stock items ship same or next business day. Shipping rates shown at checkout.
PRODUCT CODE: S30-S-620-DUA-03
The Durastar Medium Heavy Duty S30 Series 6" x 2" Sirius Heavy Duty Donut Polyurethane on Aluminum Swivel Caster is engineered for exceptional durability and performance. Designed to handle a load capacity of up to 1250 lbs, this caster ensures smooth and easy movement in demanding environments, from warehouses to industrial floors.
The heavy-duty donut polyurethane wheel provides superior shock absorption and floor protection, making it ideal for a wide range of applications, including material handling, industrial equipment, and heavy machinery. The aluminum construction offers strength and longevity while maintaining a lightweight profile for ease of use.
With a 4" x 4-1/2" stainless steel top plate, this caster is built to last and withstand the toughest conditions. The swivel design enhances maneuverability, allowing operators to navigate tight spaces with ease. Durastar is committed to providing high-quality solutions that ensure optimal performance and reliability.
Invest in Durastar's S30 Series casters for superior performance, reliability, and long-lasting durability. Enhance your operations today with the best in heavy-duty caster technology.
Transparent pricing
All pricing and quantity discounts are applied automatically. No promo codes required and no post-checkout price changes.
Upfront shipping costs
Shipping is calculated by order size and weight. Final shipping costs are shown before payment so there are no surprises.
Business-friendly ordering
We support bulk orders, repeat purchases, and fast quotes for larger or custom requirements.
Real support from product specialists
Need help confirming fit, compatibility, or application? Our team works directly with engineers, maintenance teams, and buyers every day.
Trusted by industrial and commercial customers
CasterHQ supplies casters and wheels for manufacturing, material handling, retail, and distribution environments nationwide.
When will my order ship?
In-stock items typically ship same or next business day. Weekend orders ship Monday or Tuesday unless stated otherwise.
Will shipping cost more at checkout?
Shipping is not free on most orders. Your final shipping cost is shown before payment.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.
Some custom products (select Made in USA casters, keyway wheels, drive wheels) are built after purchase and ship on a longer lead time. When applicable, the ship-time estimate is shown on the product page.
Contact us before ordering and we’ll confirm total landed cost upfront. Contact us.
The Durastar Medium Heavy Duty S30 Series 6" x 2" Sirius Heavy Duty Donut Polyurethane on Aluminum Swivel Caster is built to offer outstanding performance, reliability, and versatility in industrial and heavy-duty applications. Designed for operations that require heavy load capacity and smooth maneuverability, this caster is the perfect solution for material handling, factory settings, warehouses, and more.
Built with a focus on quality and user experience, the Durastar S30 Series 6" x 2" Sirius Caster is designed to ensure ease of use, durability, and reliable performance. Its polyurethane-on-aluminum wheel combines the benefits of a high-strength aluminum core with a durable polyurethane outer layer, offering a smooth, noise-free operation while protecting flooring surfaces from scratches and dents.
The swivel design ensures that the caster can pivot 360 degrees, making it ideal for navigating around obstacles and tight corners. This makes it particularly useful in environments where maneuverability is crucial, such as crowded warehouses or assembly lines. Furthermore, the robust 4" x 4-1/2" stainless steel top plate ensures that this caster can handle heavy-duty applications while maintaining a lightweight profile.
Durastar’s commitment to quality means you can trust that each caster is made with precision and attention to detail, ensuring it performs consistently in even the harshest environments. Whether you need to move heavy machinery or delicate equipment, this caster will offer superior support, making it an essential part of your mobility solutions.
Durastar’s casters are known for their reliability and performance. With a focus on high-quality materials and craftsmanship, each caster is designed to meet the toughest standards. By choosing Durastar, you are investing in a product that offers:
Upgrade your mobility solutions with the Durastar Medium Heavy Duty S30 Series 6" x 2" Sirius Swivel Caster. Designed for performance, durability, and ease of use, it’s the ideal solution for a wide range of industrial, commercial, and heavy-duty applications. Trust Durastar to deliver superior quality and lasting reliability.
$55.00
Designed for engineers, manufacturers, and material handling professionals