A caster assembly has a dual pivot assembly in the caster mounting that is laterally offset, whereby the caster wheels may not only pivot about a wheel pivot axis that extends through the plane of the caster wheel, but also revolve orbitally about a mounting pivot axis that is laterally offset from and parallel to the wheel axis. A transfer plate supports a pair of bearing assemblies, one of them securing a mounting post secured to the bottom of an object. The other bearing assembly supports a cylindrical head post that extends to a clevis-like bracket that supports a caster wheel.