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.
The Durastar Casters S30 Series brings innovation and durability to your mobility solutions. Built with precision engineering, these top plate casters are designed to handle medium to heavy-duty loads with ease. Made from high-strength steel, the S30 Series offers superior strength and long-lasting performance, making them ideal for a wide range of industrial and commercial applications.
Available in top plate sizes like 4" x 4-1/2", and with customizable options, the S30 Series provides flexibility to meet your specific needs. Whether you need casters for factory equipment, warehouse carts, or machinery, the S30 Series ensures smooth and easy mobility, even under challenging conditions.
The S30 Series also offers a variety of wheel options to suit different floor types, from hard concrete to delicate flooring. Each caster is designed to minimize wear and tear, ensuring that your investment in Durastar Casters provides consistent, reliable results over time.
Choose Durastar Casters for your medium-heavy duty mobility needs, and trust in our commitment to providing high-quality, durable products backed by industry-leading testing and quality assurance.
Upgrade your equipment with the S30 Series of top plate casters. Designed for reliability and superior load-handling, the S30 Series offers a perfect blend of performance, durability, and flexibility to meet your toughest requirements.
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.
Engineering Tools Hub
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Load Calculator (dedicated)
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Wheel Diameter Calculator
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Failure Diagnosis Tool
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Designed for engineers, manufacturers, and material handling professionals