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: 30-R-420-DTR-03
The Durastar Medium Heavy Duty 30 Series 4" x 2" Duratek Donut High Tech Rubber Rigid Caster is a premium mobility solution engineered for demanding industrial and commercial applications. With an impressive 450 lb load capacity and a 4" x 4-1/2" top plate, this caster offers exceptional performance, durability, and versatility for various environments.
The Duratek Donut High Tech Rubber wheel offers several advantages for industrial applications:
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 30 Series caster is a premium mobility solution designed for demanding industrial and commercial applications. This 4" x 2" Duratek Donut High Tech Rubber Rigid Caster combines cutting-edge technology with robust construction to deliver exceptional performance and durability.
The Durastar 30 Series caster is versatile and suitable for various industries, including:
With over four decades of experience, Durastar has established itself as a leader in caster innovation and reliability. The 30 Series caster combines cutting-edge technology, superior craftsmanship, and user-centric design to elevate your mobility solutions across a wide range of medium to heavy-duty applications.
Durastar stands behind the quality of their products, offering comprehensive warranty coverage. For detailed information on warranty terms and conditions, please refer to the official Durastar warranty documentation.
$40.00
Designed for engineers, manufacturers, and material handling professionals