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.

6" x 3" Rubber Casters · 750 lb · 4-1/2" x 6-1/4" Plate

Plate sizes: 4-1/2 x 6-1/4Bolt holes: 2-7/16 x 4-15/16 slotted to 3-3/8 x 5-1/4Diameter: 6 inTread: 3 inCapacity: up to 750 lb

Match a 4-1/2 x 6-1/4 top plate when bolting casters under finished floors and quiet institutional carts. Typical builds show wheel diameters 6 in, rubber and steel treads, and capacities 750 lb. Size capacity from the heaviest corner load with shock margin, and keep overall height consistent across the set. Use kingpinless or heavy plate series when shock loads keep shearing kingpin races. These medium-duty options cover everyday finished floors and quiet institutional carts without jumping to extreme forged series.

Key Features

Wheel Type: 6" Rubber on Steel - RS Wheels for durability and smooth operation.

Load Capacity: Engineered for heavy-duty performance, supporting robust applications.

Plate Size: Standard top plate for secure mounting and stability.

Applications: Ideal for industrial environments, warehouses, and manufacturing units.

Design: Built with a focus on ergonomic functionality to reduce user strain.

Discover the robust design of the Durastar Casters | Xtreme Heavy Duty Top Plate Casters - 91 SERIES. These casters are equipped with 6" Rubber on Steel - RS Wheels, perfectly suited for challenging industrial environments where reliability and durability are a must.

With a high load capacity, these casters ensure stable and secure handling, making them an essential component for heavy machinery and equipment. The rubber-coated steel wheels offer smooth maneuverability while protecting floors from damage, suitable for both indoor and outdoor applications.

Opt for the Durastar 91 SERIES to enhance operational efficiency and mobility solutions in rigorous settings. Their exceptional build quality and performance make them a trusted choice for professionals across various industries.

BHP: 1-3/4″ × 2-7/8″, slotted to 3″

BHP: 1-3/4″ × 2-15/16″ slotted to 2-3/8″ × 3-3/8″

BHP: 2-5/8” X 3-5/8” (Slotted to 3” x 3”)

BHP: 2-7/16" x 4-15/16" slotted to 3-3/8" x 5-1/4"

(3″ Wide Casters), Industry-Standard

BHP: 3-3/8" x 5-1/4" slotted to 4-1/8" x 6-1/8"

BHP: 4-1/8" x 6" slotted to 4-1/2" x 6-1/8"

View All • 21 Plate Sizes

Plate Casters

Stem Casters

Stainless Casters

Ergonomic Casters

Leveling Casters

6" x 3" Rubber Casters · 750 lb · 4-1/2" x 6-1/4" Plate

Durastar Casters | Xtreme Heavy Duty Top Plate Casters - 91 SERIES

Key Features

Elevate Your Industrial Mobility