>>11094802Smallest and same size KO is by MFT, BHX, Chaobao, whatever, many names but all the same mold. Fully plastic, you can possibly find a full set for $10. Comes in green, yellow and diaclone orange
Mid-sized KO is by Yuexing. Simplified. Comes with diecast. You can identify it from the dozer and excavator buckets being silver/diecast, also comes with combining gun cloned from MT Giant. green and yellow
Largest KO is by Weijiang, has diecast on the bot chest parts. This one is actually a little hard to find now. only in green
