I updated the frame for a little tighter fit.
Toy excavator with working tracks. All joints are print in place or snap together. The arm pictured is slightly different from the attached arm file which has better range of motion. The top black parts (cab and engine bay) were created with a multi material printer. You'll need to paint those parts or leave them the base color if that is not an option.
Print 4 wheels and two tracks. No supports or hardware needed. The only glue required is between main body and swivel, although there is a locator pin to help with placement.
The author marked this model as their own original creation.