Certified Where It Matters | Exceeds ICWM Standards • ANSI Tested • NSF Certified • RoHS Compliant

The Most Trusted Source for Industrial Casters | 100,000+ Orders Fulfilled for OEMs & MRO Teams

Products Manufactured in ISO 9001:2015-Certified Facilities | Trusted by OEMs & MRO Teams

In Stock. Ready to Ship. Trusted by Industry Pros.

Caster Specialists Ready to Help | Get Fast Guidance for OEM & MRO Applications

Guaranteed Lowest Pricing on Bulk Orders | Automatic Discounts Applied Instantly at Checkout

Hamilton Spinfinity Maxi-Duty Dual Swivel Caster with 16" x 5" Natural Polyurethane (93A Ester) Presson Wheel with 1 1/2" Sealed Precision Ball Bearings - | CasterHQ

Hamilton Spinfinity Maxi-Duty Dual Swivel Caster with 16" x 5" Natural Polyurethane (93A Ester) Presson Wheel with 1 1/2" Sealed Precision Ball Bearings

Volume discounts applied at checkout

50-99 units: 5% Off
100-199 units: 10% Off
200+ units: 15% Off

.price-ui--loading { display: block !important; opacity: 1 !important; }

$7,503.00 USD - $7,542.06 USD

Status: In Stock

Most in-stock items ship same or next business day. Shipping rates shown at checkout.

PRODUCT CODE: S-ZFMDD-1650POYB-ULTRA

Product Overview

Hamilton Spinfinity Maxi-Duty Dual Swivel Caster with 16" x 5" Natural Polyurethane (93A Ester) Presson Wheel with 1 1/2" Sealed Precision Ball Bearings

The Hamilton ZFMDD-1650POYB-ULTRA is a remarkable addition to the Extra Heavy-Duty Casters lineup-Built with durability and strength in mind, this caster is designed to withstand the most demanding applications. With its cutting-edge features and exceptional performance, it is a true game-changer for industries requiring reliable and heavy-duty mobility solutions.

Featuring the innovative kingpinless design-this caster ensures optimal maneuverability and reduced swivel friction. The absence of a conventional kingpin eliminates the possibility of binding or failure, allowing for smooth and effortless movement even under substantial loads. With this caster, you can trust in its ability to handle your toughest transportation challenges.

The ZFMDD-1650POYB-ULTRA boasts a dual-wheel configuration-enhancing load distribution and weight-bearing capacity. The two precision-machined wheels work in tandem, minimizing the stress on each wheel and increasing overall stability. This feature enables the caster to support significant loads while maintaining consistent performance and extending the service life of the caster.

Hamilton understands the importance of versatility-which is why the ZFMDD-1650POYB-ULTRA offers a range of customization options. From wheel materials to size variations, you can tailor this caster to perfectly suit your specific requirements. Whether you need it for indoor or outdoor use, on smooth surfaces or rough terrains, this caster can be customized to meet your exact needs.

Durability is paramount in heavy-duty applications-and the ZFMDD-1650POYB-ULTRA delivers exceptional strength and longevity. Constructed with high-quality materials and built to rigorous standards, this caster can withstand the harshest operating conditions. It is designed to handle heavy loads, resist impact and abrasion, and maintain its superior performance over an extended period.

With a commitment to safety, Hamilton has engineered the ZFMDD-1650POYB-ULTRA with a variety of features to ensure secure and stable operation-From its reliable braking system to its smooth swivel capability, this caster prioritizes both the protection of your valuable cargo and the safety of your workforce.

Technical Specs

Swivel or Rigid caster Swivel
Load Capacity (lbs.) @ 3 mph 15,600 lbs
Wheel Diameter (in.) 16
Wheel Face (in.) 5
Overall Height (in.) 19.75
Swivel Offset (in.) 3.25
Mounting Plate (in.) 8 1/2 x 8 1/2
Mounting Bolt (in.) 0.625
Caster Color/Finish Crimson Powder
Wheel Type TerraTech Ultra
Wheel Color/Finish Natural Poly on CNC-Machined 1045 Blank
Bearing Type Precision Sealed Ball
Replacement Wheel W-1650-POYB-ULTRA-1-1/2
Wheel Material @ Tread Polyurethane
Shipping Weight (lbs.) 368
Bolt Holes (in.) 7 x 7
Caster Rig Type Kingpinless

Key Features

Kingpinless design for enhanced maneuverability-and reduced swivel friction
Dual-wheel configuration-for improved load distribution and stability
Customizable options-to suit specific requirements
Exceptional durability-and strength to withstand demanding applications
High-quality material-for superior performance and longevity
Reliable braking system-and smooth swivel capability for enhanced safety

Ordering & Shipping Information

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.

Flat-rate shipping by order size. Final shipping cost shown before payment.
No post-checkout shipping adjustments or re-billing.
Most orders ship from our Texas headquarters near Dallas.

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.

Typical transit times after shipment

Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas may take longer.

Made-to-order items (lead times)

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.

Need an exact freight quote for a large order?