wanting ideas on building a body cart for 70-74 a bodies

6inch polyurethane wheels with swivel casters.2inch box receiver tube 3/16 wall.roller legs bolted to leaf spring mounts and front bumper bracket mounts on end of front frame rails.supports a duster shell fine.i have a crossbar that's adjustable across the front legs with a tongue that slides thru it and bolts on.now I hook a engine hoist to that and stand it on its tail.i used caster mounting pads,and swap out the wheels whith 1 bolt.for wheels and caster pads try holtz industries,newark Ohio.big selection 3 inch to 10 inch wheels in rubber,polyurethane,phenolic,inner tube outdoor type tires-cheap/ship anywhere same day