Super Compact Casters

The ultimate solution for demanding situations requiring super capacities in a compact package. Ideal for enabling heavy machinery equipment, tooling, die molds, and home manufacturing lines to get the heaviest of loads off the ground and mobile. Custom caster solutions are available and all RWM kingpinless product including the SuperCompact casters are produced in the U.S.A.

Bearing Selection Guide


Wheel Diameter

Wheel Width


Wheel Type

Overall Height
Model #
Swivel Lead

Approx Weight
4″ 4″ 10,000 lbs Machined Steel 6″ SC85-MSB-0440-S 2-1/4″ 28
4″ 4″ 32,000 lbs Machined Steel 6-1/2″ SC125-MSB-0440-S 2-1/4″ 47