- High Grade (HG) specifications
- Reproduced as the later model from No. 46 onwards, which was originally equipped with five coolers
- The driver's door window reproduces the tablet protection grille characteristic of Hokkaido cars by printing
- The jumper plug and hose at the front are reproduced as separate parts
- The front through door's cross plate is replaceable, and comes in gray for Hakodate and cream for Sapporo, and the hood frame can also be selected
- Uses blue-based color sheets
- The head and tail lights and front display are equipped with a constant-on board and have an ON-OFF switch
- The head and tail lights and front display are lit by incandescent LEDs
- The front display uses a color prism to light up in a color close to white
- The train mark on the front display is replaceable and comes with the letter "Oozora"
- The car number is selectable and a transfer sheet is included
- The door rails are printed in silver
- New current collection system and black wheels are used
- TN coupler (SP) is standard equipment
- Compatible with Interior Lighting Kit Tomix 0733