Up to 350 lbs
Up to 6,000 lbs
Up to 16,000 lbs
Up to 40,000 lbs
High-capacity loads
Shock absorbing
Corrosion resistant
Outdoor / rough terrain
OEM replacements
All measurements indicate the wheel diameter by the tread width.
The below capacity ranges indicate the working (dynamic) load that each caster will support. A safety factor should be included in your formula to determine your required load rating per caster.
W/(C-1)=R W is total weight needed to move. C is total number of casters required. R is ideal load rating, with safety factor built in. Divide the total load weight by one less caster than you will use to safely determine load rating.
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.
PRODUCT CODE: 91-S-630-PH-04
The Durastar Xtreme Heavy Duty 91 Series 6" x 3" Phenolic Swivel Caster is engineered for superior strength and maneuverability, making it an excellent choice for demanding applications. With a 2000 lb load capacity per caster, this caster is designed to handle heavy-duty loads with ease and precision. The 6" x 3" phenolic wheel ensures long-lasting durability while providing a smooth rolling experience on a variety of surfaces.
The heavy-duty phenolic wheel construction makes it ideal for industrial, commercial, and warehouse settings where durability and strength are critical. With a top plate size of 4-1/2" x 6-1/4", the caster is engineered for secure mounting on equipment and machinery that require reliable mobility in high-capacity applications. Its swivel design offers excellent maneuverability, allowing for ease of movement even in tight spaces.
Whether you're upgrading your warehouse equipment or outfitting machinery with reliable casters, the Durastar Xtreme Heavy Duty 91 Series delivers exceptional performance. Its 2000 lb capacity ensures your equipment moves effortlessly, even under the heaviest loads. Trust Durastar to provide the ultimate solution for your heavy-duty caster needs.
Invest in the Durastar Xtreme Heavy Duty 91 Series 6" x 3" Phenolic Swivel Caster today and experience unmatched durability, strength, and maneuverability. Perfect for industries and applications that demand the best in caster technology, this is the upgrade your equipment needs.
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 Xtreme Heavy Duty 91 Series 6" x 3" Phenolic Swivel Caster is designed to meet the needs of industries where durability, strength, and superior performance are paramount. With a remarkable 2000 lb capacity per caster, this heavy-duty caster is ideal for handling the most demanding workloads in a variety of commercial, industrial, and warehouse applications. Engineered for maximum strength and easy maneuverability, the Durastar Xtreme series ensures your equipment moves with ease and stability even under heavy loads.
With an impressive 2000 lb load capacity per caster, this product is designed to withstand the most challenging environments. Whether you're moving large machinery, equipment, or industrial carts, the Durastar Xtreme Heavy Duty 91 Series caster offers dependable support. Its rugged build ensures that it can handle tough conditions without compromising performance or durability. This makes it the perfect choice for use in industrial facilities, factories, warehouses, and other high-demand environments.
Engineered with a 6" x 3" phenolic wheel, this caster provides exceptional durability and performance. Phenolic wheels are known for their ability to resist damage from chemicals, oils, and other industrial substances. They offer smooth rolling action on various surfaces, making them perfect for both hard floors and slightly uneven terrains. The durability of these wheels ensures they can withstand constant wear and tear, providing long-lasting, maintenance-free service.
One of the standout features of the Durastar Xtreme Heavy Duty 91 Series is its swivel design. This feature allows for smooth, precise movement even in tight spaces, making it easier to navigate equipment or carts through busy industrial areas. Whether you need to change direction quickly or move heavy loads around corners, the swivel caster ensures your operations run smoothly and efficiently. It’s the ideal solution for environments that demand both durability and maneuverability.
The Durastar Xtreme caster is versatile and designed for use in a variety of industries. From warehouses and factories to medical and commercial settings, it can be used for a range of applications. Whether you need to move large equipment, machinery, or industrial carts, this caster provides the mobility you need without sacrificing stability or load-bearing capacity. Its robust design makes it ideal for high-stress environments, ensuring reliability in every use.
With its high-quality construction and specially designed phenolic wheel, the Durastar Xtreme caster helps protect your floors from damage. Its durable nature minimizes the risk of scuffing or marking floors, making it suitable for sensitive floor surfaces. Whether you're using it in a factory, hospital, or commercial environment, you can rest assured that this caster will protect your flooring while ensuring reliable performance.
Another key benefit of the Durastar Xtreme Heavy Duty caster is its shock-absorbing design. This caster is built to withstand impacts and vibrations, making it perfect for moving heavy or sensitive equipment. The shock absorption feature helps to reduce the strain on both the caster and the surface beneath it, prolonging the life of your equipment and flooring.
The Durastar Xtreme 91 Series caster is designed for quick and easy installation. Whether you're outfitting new equipment or replacing old casters, this product ensures a seamless setup. Its durable construction reduces the need for frequent maintenance, ensuring a smooth, hassle-free experience over time. With minimal maintenance required, it helps reduce downtime and keeps your operations running at peak performance.
Manufactured in the USA, the Durastar Xtreme Heavy Duty 91 Series caster adheres to strict quality standards, ensuring excellent craftsmanship and reliability. By choosing this product, you're investing in a high-quality, American-made solution designed to meet the demands of your business and provide long-lasting performance.
When it comes to industrial mobility, Durastar Xtreme stands out as a trusted brand for high-performance casters. The Durastar Xtreme Heavy Duty 91 Series is designed to deliver exceptional strength, stability, and maneuverability for heavy-duty applications. Whether you're moving large machinery or outfitting equipment, this caster is engineered to ensure reliability, safety, and ease of use. Choose Durastar for mobility solutions that stand the test of time.
$178.00
| Wheel Diameter | 6" |
| Wheel Tread Width | 3" |
| Overall Height | 7-1/2" |
| Wheel Capacity | 2000 lbs |
| Temp Range | Up to 250°F |
| Wheel Material | Phenolic |
| Frame Material | Zinc Plated Steel |
| Bolt Hole Pattern | 2-7/16" x 4-15/16" slotted to 3-3/8" x 5-1/4" |
| Mount Style | Plate |
| Plate Size | 4-1/2" x 6-1/4" |
| Rig Type | Swivel |
| Brake Type | No Brake |
Designed for engineers, manufacturers, and material handling professionals
