18" Shelving Units · 600 lb

This collection holds 18 Width casters with mixed tread wheels, built for shop carts, equipment, and material handling carts that move heavier loads. Casters in this collection range from 600 to 800 lb per caster. Wheels in this category range from 18 up to 36 inches in diameter. Wheel options vary, so match the tread to the floor and the load. Match plate size, bolt pattern, and overall height before you order. Read the listing for the exact wheel size, overall height, and mount shown. Confirm the load rating printed on the title before you order. Measure the old wheel or caster before you buy. Check the floor type and the heaviest load the cart will carry before you choose. Call or email CasterHQ with the part number from the old unit if you need help matching it. Brakes help on ramps. Polyurethane aisle: polyurethane casters. Wheel hub: replacement wheels.

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4 types

Wheel = wheel diameter · capacity is per caster.

18 in shelving units on this page

Type	Listed rating	Material
Shelving unit	600 to 800 lb	epoxy-coated wire and chrome wire

Summary of 18 in shelving units from product titles and fields [S1].

Before you order

Check shelf width, depth and post height on 18 in shelving units against the space before ordering.
Read the rating on each listing of 18 in shelving units as stated there, and spread heavy items across the shelf.

Related to 18 in shelving units: 60 in shelving units and 72 in shelving units.

18 in shelving units questions

What ratings are listed for 18 in shelving units?

Ratings for 18 in shelving units run 600 to 800 lb.

Jordan Wilson, CasterHQ · reviewed October 20, 2026 · 844-439-4335 · info@casterhq.com

Sources

[S1] CasterHQ product fields (rated load, diameter, width, wheel and core material, temperature range, mount) and product descriptions for the items on this page, pulled October 20, 2026.