The patent number says marx. Wind up works wind it up wheels turn slowly rubber tracks gone string is still not attached from looks of bucket doesn't look like it was used in dirt looks pretty clean.
Vintage Structo Steam shovel , Drag line, Excavator (TRACKS ONLY)
1 pair of tracks for Vintage Tonka Steam Shovel Excavator (TRACKS ONLY)
Replacement Rubber Tracks Tires for Vintage Structo Steam Shovel Excavator Toy
1 set of new tracks for Vintage Structo Steam shovel truck, Drag line, Excavator
