- Commercialization of W36 formation (basic set) and V35 formation (additional set) belonging to Suita General Rolling Stock Co., Ltd. Kyoto Branch
- Reproduce the black belt around the window, the blue belt on the front and sides, and the symbol mark that spans the connecting surfaces.
- Reproduce the interior chair color that was changed during the renewal. Ordinary cars are set in blue, and green cars are set in brown.
- Reproduce the front safety belt hook of the lead vehicle
- Head/tail light lighting (bulb color LED used). KUMOHA 683 and KUHA 683 have a light off switch
- Adopts a slotless motor for smooth and quiet running.
- Each car uses a body-mounted KATO coupler (no hook). Electric connection (2 stages) and coupler cover are included like KUHA 682, KUHA 683, and KUMOHA 683. Dummy coupler is used at the beginning of KURO 683
- Compatible with interior lighting kit Kato 11-211 (Kato 11-212)
