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-R-420-HPO-03
The Durastar Medium Heavy Duty S30 Series 4" x 2" Heavy Duty Polyolefin Rigid Caster combines robust strength with innovative design. With a 700 lb load capacity and a 4" x 4-1/2" stainless steel top plate, this caster is built to handle demanding industrial applications.
Designed for easy maneuverability, the Polyolefin wheel is durable and ideal for both smooth and rough surfaces. This caster's rigid functionality provides excellent control, making it perfect for applications requiring frequent changes in direction, such as in warehouses and factories.
Whether you're upgrading your mobility solutions or seeking a reliable, high-performance caster for heavy-duty tasks, the Durastar S30 Series offers the durability and functionality you need. Trust in its sturdy construction to handle the toughest environments while ensuring seamless operation.
Upgrade your operations with the Durastar Medium Heavy Duty S30 Series Caster. Built for durability, reliability, and ease of use, this caster is the ideal solution for your heavy-duty mobility needs. Enhance your workflow today!
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 4" x 2" Polyolefin Rigid Caster is designed to provide maximum performance and reliability in heavy-duty industrial and commercial environments. Featuring a durable 700 lb load capacity and a high-quality stainless steel top plate, this caster is engineered to meet the demands of warehouses, factories, hospitals, and other commercial applications. With its rigid functionality, it ensures durability, improving operational efficiency and reducing strain on workers.
Built to withstand demanding conditions, this caster features a Polyolefin wheel, renowned for its strength and resilience. The heavy-duty Polyolefin material offers excellent wear resistance and superior performance on a variety of surfaces, including rough or uneven floors. Its abrasion and impact-resistant properties make it the ideal choice for environments where durability and reliability are critical.
The Durastar S30 Series caster boasts an impressive 700 lb load capacity, making it an exceptional choice for transporting heavy loads. Whether you're moving machinery, equipment, or large carts, this caster provides the strength required to handle the weight efficiently and safely. Its robust construction ensures consistent performance even under heavy strain, offering reliability for all types of heavy-duty tasks.
The 4" x 4-1/2" stainless steel top plate enhances the caster’s structural integrity, offering superior resistance to corrosion, rust, and other environmental factors. This makes the Durastar caster perfect for use in tough environments, such as food processing areas, medical facilities, and industrial settings, where hygiene and durability are paramount.
The Durastar Medium Heavy Duty S30 Series caster is versatile and highly adaptable to a range of industries. From warehouses and factories to hospitals and retail spaces, it provides the durability and reliability needed to handle heavy loads and improve operational efficiency. Its smooth rolling action minimizes user fatigue, making it an ideal choice for environments that require constant movement.
Designed to be low-maintenance, the Durastar S30 Series caster minimizes downtime and maintenance costs. Its rugged construction ensures a long-lasting lifespan, reducing the need for frequent replacements. This caster is a cost-effective solution for businesses looking to improve their mobility solutions without the hassle of constant upkeep.
Installation is quick and easy with the 4" x 4-1/2" stainless steel mounting plate, which ensures compatibility with a wide range of equipment and carts. Its universal fit allows for a hassle-free setup, making it ideal for businesses looking for a straightforward mobility solution.
Durastar is a trusted name in the caster industry, known for providing high-performance products that deliver reliable results. With a commitment to quality, innovation, and customer satisfaction, Durastar continues to be a go-to choice for heavy-duty mobility solutions across various sectors.
At Durastar, we prioritize customer satisfaction. We stand behind the quality of our products and offer excellent customer support to ensure that your mobility needs are met. With the Durastar Medium Heavy Duty S30 Series Caster, you can be confident that you're investing in a product that delivers on its promises.
$49.00
Designed for engineers, manufacturers, and material handling professionals