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 Xtreme Heavy Duty Casters, 91 SERIES, are engineered for high-performance in the most demanding environments. Featuring top plate casters, these products offer robust durability with exceptional load-bearing capacity. Constructed from high-strength steel and polyurethane, these casters are built to withstand the toughest industrial conditions while maintaining smooth maneuverability.
Designed to handle heavy loads with ease, the 91 SERIES is ideal for heavy-duty applications in industries such as manufacturing, warehousing, and construction. These casters are equipped with advanced shock mitigation features, offering added protection for both your equipment and flooring. Whether moving heavy machinery, equipment, or large inventory, Durastar Casters provide superior functionality and reliability.
With precision-engineered bearings and a range of customizable top plate sizes, the Durastar Xtreme Heavy Duty Casters can be tailored to meet the specific needs of your operations. Trust in the 91 SERIES for unmatched strength, resilience, and smooth performance under heavy-duty conditions. Experience the difference in your mobility solutions today.
Upgrade to Durastar's Xtreme Heavy Duty Casters for unparalleled load-bearing strength and reliability. Optimize your heavy-duty operations with high-performance casters engineered for durability and superior mobility.
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