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Caster City® has been supplying the highest quality plate casters, stem casters and wheels since 1977.
This include all casters and wheels: stainless, pneumatic, stem (threaded stem and expanding rubber stem ), swivel, rigid, locking, total locking, replacement, chair and furniture casters. Caster wheels include phenolic, rubber, polyurethane, polyolefin, steel, v-groove.
Caster menu on the top of each page will help you quickly navigate to your desired caster. If you need any help, feel free to call us at: 800-501-3808
Plate casters are one of the most reliable and versatile caster types used in industrial, commercial, and institutional settings. At CasterCity.com, our plate casters feature a flat metal mounting plate with pre-drilled holes that allow for secure attachment to a wide range of equipment and furniture. Our extensive selection of plate casters includes a variety of wheel materials, load capacities, and sizes to meet your exact requirements. From light-duty plate casters for office furniture to heavy duty industrial plate casters built for demanding environments, our casters are designed to deliver quality and performance. Whether you’re outfitting carts, machinery, or mobile workstations, our plate casters provide the exact support and smooth mobility your operation needs. We try and give you all the information you need but if you cannot find something that will work, call us at 800-501-3808 and our expert staff will help you with your caster purchase.
Stem Casters are a type of caster wheel that mounts to equipment using a stem rather than a mounting plate and makes them ideal for applications with limited mounting space available. They come in various stem types including threaded, grip ring, expanding rubber, and metal (square/round). Each stem module type is designed to fit different tubing or frame structures and allow for smooth mobility. Stem Casters are most commonly used on carts, furniture, and medical equipment. We offer stem casters with load capacities as small as 250 lbs and as strong as 1,500 lbs, with many pedal and foot brake options available.
We have a stem caster for any need and if you cannot find the right caster, please contact us directly (Call: 800-501-3808 / Email: sales@castercity.com) and we can help you find the perfect stem and caster for your application.
We offer a wide range of caster wheels designed for various use applications, including light-duty furniture, industrial machinery, and medical equipment and more to suit your unique or different mobility needs.
Total locking brakes are a popular choice when safety and stability. We offer brakes on both stem and plate casters. These brakes are designed to lock both the wheel and the swivel at the same time, so once they’re engaged, the caster won’t roll, pivot, or move.
Total locks are widely used in a variety of settings such as warehouses, medical facilities, food service environments, and even heavy duty industrial settings. They’re the perfect caster for mobile equipment that needs to be rolled into place and then stay firmly in position carts, racks, prep tables, or mobile workstations.
If you’re not sure what kind of brake or caster setup works best for your home or business needs, our Caster City sales team is here to help. With decades of experience, we’ll guide you to the right solution for your application and make sure you get exactly what you need for the job.
Stainless steel casters, offered in both plate and stem mounting styles, are built for use in wet, corrosive, or high-temperature environments where durability and cleanliness are critical. These casters are available in both 304 and 316 stainless steel—the former offering strong corrosion resistance for general industrial and food service use, and the latter providing superior protection against harsh chemicals and saltwater, making it ideal for marine and pharmaceutical applications. Designed to handle temperatures up to 450°F when paired with high-temp wheels and raceway seals, these casters perform reliably in extreme heat such as in autoclaves or commercial ovens.
Caster City’s stainless steel casters are built with longevity and performance in mind. Each unit includes a grease fitting in the swivel bearing for easy maintenance, protective seals, and a dust cover to guard internal components from contaminants. Whether you choose 304 for its broad utility or 316 for its maximum corrosion resistance, these casters ensure smooth, low-maintenance mobility in the most demanding conditions.
These industrial pneumatic casters feature air filled pneumatic wheels. These industrial casters are designed for low speed manually moved applications only. Air filled pneumatic wheels provide a cushioned ride, shock absorption and quiet operation. Pneumatic casters are ideally suited for moving fragile or delicate cargo where caster overall height is not critical. Casters with pneumatic wheels are usually the best choice for use outdoors over rough surfaces ( i.e. gravel ) or on grass. The wide footprint on 8″ or larger pneumatic wheels provides stability on gravel and does not sink into lawns.
Pneumatic casters and pneumatic wheels are also popular for indoor use in places such as hospitals, scientific and electronic laboratories, hotels, department stores and TV or movie studios.
Pneumatic wheels with black tires do not mark the floor as long as the wheel is allowed to roll. Changing directions without allowing a swivel caster to turn gradually around, or dragging a black rubber wheel sideways, can mark some floors.
Caster City offers a wide range of office and furniture casters designed for smooth, quiet movement across carpet, tile, and hardwood floors. If you’re upgrading desk chairs, file cabinets, mobile workstations, or anything else your office needs our casters provide durability, ease of movement, and a professional finish that complements any office setup.
To assist you, our customers in locating the ideal caster (stem or plate) for your particular business need, our comprehensive catalog has been carefully arranged. We provide a broad range of solutions to satisfy the needs of the manufacturing, healthcare, retail, and service sectors.
We offer a wide range of products for the industrial sector, including light-duty and low-profile plate casters for machinery and equipment. Our casters are designed to withstand severe weights and precise movement, making them perfect for jacks, service equipment, and shop floors in the automotive and aerospace industries.
While our medical and laboratory casters satisfy the hygienic and silent-rolling requirements needed for hospitals, labs, and pharmaceutical facilities, those in the food and beverage industries will find alternatives designed for production lines, meat processing, and shopping carts.
Additionally, we have casters for retail and hospitality applications, including luggage carts, vending machines, and bakery racks. Durable variants designed to withstand big loads and tough terrain are supported for outdoor and agricultural applications.
Our specialty casters include dual-wheel models for enhanced stability, ergonomic solutions, vintage designs, and black e-coat finishes for more specific applications. We also provide casters for toolboxes, utility carts, hand trucks, and other material handling and storage applications.
We provide dependable mobility solutions for a variety of industries, ranging from stage and theatrical equipment to maintenance tools like mop buckets and camper supports. With targeted caster options, even specialized applications like road cases, ladders, and textile machinery are taken into consideration.
Regardless of your application, our expert sales staff, with a collective experience of over 100 years are available to assist you in locating the best caster to complete the task quickly and effectively.
$261.55
Please Select a Brake Option.
Weld on swivel lock option makes the caster non returnable.
THE LEAD TIME TO INSTALL TO YOUR CASTERS IS TWO WEEKS IS NON REFUNDABLE.
Model 30 Swivel Casters with Polyurethane on Iron Caster Wheels are a step up from the swivel caster model G15 in that it features larger swivel and wheel bearings and wider wheels. The precision machined swivel provides unmatched performance on both manually moved and mechanically powered equipment. The metal frames are zinc plated for rust resistance, and there are lubrication fittings for all adjustable parts. Popular options customers like to include a face contact wheel brake to latch the wheels and a hand operated swivel lock that converts the swivel caster into a rigid caster for straight line travel.
The Plate Caster Model 30 with PX premium polyurethane on iron wheel, specifically the 30PX6x3T-S model, is a heavy duty industrial caster designed for demanding tow-line jobs in settings like automotive plants, observatories, or shipyards, with a maximum capacity of 4,000 lbs. Its 6” x 3” PX wheel features a 95A Durometer polyurethane tire—softer and more resilient than standard 65D wheels—offering a 1” thick orange tread that resists flat spotting, chemicals, and heat buildup, while rolling smoothly with sealed precision ball or tapered roller bearings. This wheel size protects costly floors and sensitive cargo, providing a quieter, smoother ride than harder polyurethane wheels when moving heavy loads in and out of facilities.
Other PX wheel sizes for the Plate Caster Model 30 include 8”, 10”, and 12” diameters, all 3” wide, with higher capacities depending on the configuration. The zinc-plated steel caster frame, with a 3” swivel bearing and double-welded legs, mounts securely using a 4-1/2″ x 6-1/4″ top plate, with bolt hole spacing of 3-3/8” x 5-1/4” to 2-7/16” x 4-15/16” and 3/8″ bolts, fitting equipment like telescope roof systems or heavy carts. The 30PX6x3T-S’s resiliency makes initiating motion easier, reducing noise and vibration in precision environments like aerospace or defense, while operating reliably from -20°F to 180°F in dry conditions. This swivel caster stands out among industrial casters and wheels for institutional plate caster applications needing durability and floor protection.
*Photo of this Polyurethane on Iron Wheel – Heavy Duty Swivel Caster Model 30 uses the 6″ x 3″ wheel.
For more information and help placing an order, give us a call at 800-501-3808.
The PX Industrial Caster Wheel from Caster City is our highest-capacity polyurethane caster wheel, engineered for heavy-duty applications. Built with a premium 95A Durometer polyurethane tread (available in ½”, ¾”, or 1” thickness depending on width) and finished in signature orange, this wheel is softer and more resilient than standard 65D polyurethane or other heavy industrial options. It delivers unmatched performance for power towing and transporting large loads indoors or outdoors.
This caster wheel excels in industrial environments, balancing extreme capacity with floor-friendly resilience for seamless heavy-load handling. Contact us at Caster City today for custom configurations.
What is Durometer and How is it Measured?Durometer measures polyurethane hardness on the Shore scale.
Premium Polyurethane (PX) Industrial Caster Wheel from Caster City
The Premium Polyurethane Wheel is our highest-capacity polyurethane wheel, designed for heavy-duty applications. Crafted with a signature orange, 95A Durometer polyurethane tread, available in ½”, ¾”, or 1” thickness depending on width, this wheel is softer and more resilient than standard 65D polyurethane or other heavy industrial alternatives. Its proprietary Megapoly™ compound slows internal heat buildup from extreme loads, significantly increasing load capacity and lifespan. This makes the PX wheel ideal for power towing and transporting large loads indoors or outdoors, offering unmatched durability and performance in demanding industrial environments.
The PX wheel’s resilient 95A Durometer tread provides exceptional ease of motion, requiring less effort to initiate movement, perfect for one-person operation of substantial cargo. Its rapid rebound spring action outperforms standard polyurethane or rubber wheels, making it easier to start and maintain motion in manufacturing, staging, or facility transitions. Equipped with either precision sealed ball bearings or tapered roller bearings, the PX ensures optimal rolling efficiency, especially during towing. The 1” thick tread delivers a smoother, vibration-dampening ride, protecting sensitive machinery, components, and costly floors from wear, chipping, or “jackhammer” impacts common with harder wheels.
This industrial caster wheel excels in balancing extreme load capacity with floor-friendly resilience, making it the top choice for seamless heavy-load handling. The PX wheel’s unique resiliency, compared to other polyurethane wheels of its size, enhances towing performance and protects cargo during transport inside and outside facilities. For custom configurations tailored to your specific needs, contact Caster City to explore how the PX Industrial Caster Wheel can elevate your heavy-duty operations.
What is the weight capacity of the Plate Caster Model 30 with PX polyurethane wheels?
The Model 30 caster bracket supports up to 7,000 lbs per caster under ideal conditions (smooth floors, manual movement at 3 mph), but the PX polyurethane wheel’s capacity varies by size—for the 12” x 3” wheel, it’s limited to 6,500 lbs, so each caster with that wheel maxes out at 6,500 lbs. Smaller sizes like 6”, 8”, or 10” x 3” may have lower capacities. For tow-line or powered applications, contact Caster City at 800-501-3808 to confirm the setup.
What wheel sizes are available for the Plate Caster Model 30 with PX polyurethane wheels?
For the Model 30, PX polyurethane wheels are 3 inches wide and available in diameters of 6, 8, 10, and 12 inches (e.g., 10″ x 3″). Choose based on your load and floor—larger diameters improve maneuverability on uneven surfaces.
What materials are used in the Plate Caster Model 30 with PX polyurethane wheels?
The caster is built from zinc-plated steel with a 3” swivel bearing, double-welded legs, and hardened steel ball bearings, all zinc-plated for corrosion resistance. The PX wheel features a 1-inch thick polyurethane tire (95A Durometer) bonded to a sturdy iron core.
Why choose PX polyurethane wheels for the Plate Caster Model 30?
PX wheels are designed for heavy-duty tow-line applications, with a premium polyurethane tire that reduces internal heat buildup, extending lifespan. Non-marking and floor-protecting, they resist flat spotting, chemicals, and wear, with precision sealed ball or tapered roller bearings for smooth, low-effort rolling.
What bearings are used in the PX polyurethane wheels for the Plate Caster Model 30?
The 3-inch wide PX wheels include precision sealed ball or tapered roller bearings, delivering smooth operation and low drawbar pull for heavy loads. For specific needs, like high-temperature environments, consult Caster City at 800-501-3808 to select the best bearing type.
Can the Plate Caster Model 30 with PX polyurethane wheels operate in demanding environments?
Yes, it performs reliably from -20°F to 180°F, resisting oil, grease, and harsh chemicals. Ideal for controlled settings like automotive tow-lines, boat building, or observatories, it ensures durability and floor protection. For extreme conditions, reach out to Caster City for guidance.
How do PX polyurethane wheels in the Plate Caster Model 30 protect factory floors?
The 95A polyurethane tire is non-marking, absorbs impacts, and minimizes floor wear, unlike steel wheels, making it perfect for automotive plants, shipyards, or observatories. For sensitive surfaces, V-groove wheels on angle iron tracks add protection—email Caster City at sales@castercity.com for advice.
Which industries use the Plate Caster Model 30 with PX polyurethane wheels?
It’s trusted in automotive, aerospace, boat/yacht building, observatories, heavy manufacturing, warehouses, and defense. It excels in tow-line applications, moving yacht hulls, telescope roofs, aircraft components, or heavy carts while safeguarding floors.
What are the primary applications for the PX polyurethane wheels in the Plate Caster Model 30?
They shine in automotive tow-lines (hauling vehicle parts), boat/yacht building (hull and mold transport), observatories (telescope roof movement), aerospace (aircraft component handling), heavy manufacturing (machinery carts), warehouses (goods transport), and defense (helipads or fortifications). They resist flat spotting for stationary loads and reduce noise for precision environments.
How do I maintain the Plate Caster Model 30 with PX polyurethane wheels?
Lubricate the grease fittings on the caster’s raceway and axle regularly. Consistent maintenance ensures smooth, quiet performance in high-demand applications like automotive tow-lines or observatory systems.
Can the Plate Caster Model 30 with PX polyurethane wheels be used with mechanically powered equipment?
It’s optimized for manual or tow-line applications, but powered use is possible with customization. Contact Caster City at 800-501-3808 to ensure a safe, effective setup for powered equipment like tow-line systems.
What is the top plate size of the Plate Caster Model 30?
The top plate is 4-1/2″ x 6-1/4″, with bolt hole spacing of 3-3/8” x 5-1/4” to 2-7/16” x 4-15/16”, and uses 3/8″ mounting bolts, making it a sturdy fit for heavy-duty equipment like tow-line carts or telescope roof systems.
Where can I buy the Plate Caster Model 30 with PX polyurethane wheels?
Purchase it directly on this site or explore the full details here. For custom configurations or questions, call Caster City at 800-501-3808 or email sales@castercity.com—they’ll ensure you get the right solution.
Key Features of the Plate Caster Model 30
Our #1 goal is to help you find the best caster and wheels for your needs. If you need help finding the right casters, contact our team of professionals. You can also customize many of our casters with a variety of options such as swivel locks, wheel brakes and zerk fittings. We ship our products from assembly plants in Georgia, Pennsylvania, Virginia, Texas, Nevada and Canada. Whether you’re a one-man shop or a global giant, we can provide you with: We specialize in Business to Business, however, consumer orders are gladly accepted and we can provide you with:
October 4, 2025
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September 15, 2023
