Series MD Maxi-Duty Casters - 8" Diameter - Superlast

FOB: Our Ohio Warehouse

In Stock

Load Capacity: 3,500 lbs.

Move loads up to 10 tons with Hamilton’s robust 8" x 3" Maxi-Duty Superlast® Casters, designed for heavy-duty applications across shipbuilding, automotive, and aerospace industries. These casters feature 3,500 lbs load capacity, 1" thick polyurethane tread, and Hamilton’s HPI™ Swivel Technology for enhanced durability and performance. Built for extreme conditions, they include forged steel wheels, precision-tapered roller bearings, and ball-check lubrication fittings for smooth towing and long-lasting reliability. Finished with Hamilton’s platinum powder coating, these casters ensure both strength and style for interior or exterior use.

Superlast Wheels
For the extra tough jobs requiring protective polyurethane treads, Hamilton manufacturers these top-of-the-line Superlast® Wheels. The extra-thick (1") blue treads (hardness of 90-95 Shore A) are liquid cast and chemically bonded to solid-web, drop forged steel centers.

• Swivel Construction — 5/8" thick drop forged steel mounting plate (rigid plate 1/2" thick); 3/8" x 5" plate steel contoured legs are welded inside and outside to forged steel horn base.
• Kingpin — 1-1/4" diameter integrally forged with mounting plate guaranteed for life, prevents bending or breaking; threaded for 1-1/4" slotted nut secured by roll pin for positive locking.
• Main Load Bearing — Hamilton Precision Integrated HPI thrust bearing with outside diameter of 7-1/2"; raceways hardened to 58-62HRC and ground to surface finish micro inches.
• Secondary Load Bearing — 1-1/4" precision tapered thrust bearing counteracts radial thrust.
• Product Finish: Powder Coated - Caster rigs are powder coated with Hamilton’s new Platinum Powder, a metallic HAA Polyester providing a premium look and excellent durability for both interior and exterior environments.
• Axle — 1-1/4" diameter grade 5 hex head with slotted nut and cotter pin.
• Lubrication Fittings — Ball-check type in swivel assembly and in wheel hubs with tapered or straight roller bearings.

Featured Wheel Bearings:

Precision Tapered Roller Bearings - best for most severe heavy duty and power-towed applications.