to allow rotation of wheel 306 with respect to the ground for example via an axle and bearings wheel 306 may comprise any suitable components materials and or configurations as desired in an exemplary embodiment wheel 306 comprises a standard rubber tire for example a pneumatic rubber tire mounted to a hub or rim an axle 311 may be rigidly affixed to the hub or rim for example via a retaining pin axle 311 may further comprise an external gear extending from the hub or rim to engage gear reduction unit 310 in certain exemplary embodiments the external gear of axle 311 may directly engage electric motor 312 with reference now to fig3 a 3d in various exemplary embodiments frame 308 may comprise any suitable components mechanisms structures and or devices configured to support wheel 306 and or other components of trailer mover system 100 in an exemplary embodiment frame 308 comprises steel plates welded together in other exemplary embodiments frame 308 may comprise aluminum titanium composite material and or the like or combinations of the same in various exemplary embodiments frame 308 may be configured with various flanges cavities extensions mounting surfaces and or the like in order to support and or couple to other components of trailer mover system 100 in an exemplary embodiment frame 308 is configured with a truncated arm 309 such that components configured to impart a force to wheel 306 for example an.