- High Grade (HG) specifications
- Among the 400 series for long trains, this vehicle is modeled after the mid-term 549-654 series, and reproduces the appearance of the vehicle being modified for air conditioning and equipped with a cooler on the roof
- The taillights are internally fitted, and reproduce the appearance of a small window at the bottom of the passenger door
- The jumper plugs and hoses at the front of the leading car are reproduced as separate parts
- The typhoon is selectable and comes in four types: shutter type, slit type, rotating type, and Niigata type
- The head and taillight shading units are small units used in the Kiha 56-200 series, giving the area around the front a see-through look Improved
- Blue color sheet used
- Head and tail lights and front display are equipped with a constant lighting board and ON-OFF switch
- Head and tail lights and front display are lit by white LEDs
- Headlights are lit in a color close to incandescent light by using a color prism
- Front display is interchangeable and comes with printed parts "express, rapid, local (navy blue background) and (white background)"
- Car number, affiliation notation, and JR mark are selectable and transfer sheet is included
- Flywheel-equipped power used
- Black wheels used
- M-13 motor used
- TN coupler (SP) standard equipment
- Compatible with Interior Lighting Kit Tomix 0733
