The Hokutosei was a luxury sleeper train that debuted in 1988 with the opening of the Seikan Tunnel, operating between Ueno and Sapporo. It boasted exquisite facilities, including private sleeper compartments and a lobby car. In March 2008, when the Hokutosei's operation was reduced to one round trip, cars 1 to 6 were sourced from JR Hokkaido, while cars 7 to 11 and the power car belonged to JR East.
Beginning in February 2011, due to reasons such as securing reserve cars, car 2 was modified to include open B sleepers, prominently featuring the distinctively designed OHANEFU24-500 series. With the timetable revision in March 2015, the regular operation of the Hokutosei ended, and until August of the same year, the train ran as a special service exclusively with JR East cars, marking the end of its mixed composition operation.
- Reproduce the appearance of the Hokutosei from 2011 onwards with JR Hokkaido and JR East mixed cars, with car 2 modified to open B sleepers.
- Newly manufactured TR217 (with cylinder) features a modified collector shoe shape.
- The OHANEFU25-0 series replicates the appearance with external rain gutters.
- The JR mark on the OHANEFU24-500 series is selectable, with numbers 501 and 502 replicable.
- The Suhane 25-500 series features cars with three stripes.
- The Sushi 24-500 series includes new production with separately replicated ventilators.
- The table lamps on the Sushi 24-500 series replicate the post-railmodifications.
- All vehicles have new AU76 and 77 model coolers with JR Hokkaido cars in gray and JR East cars in silver.
- The OHANEFU25-0 series comes equipped with a TN coupler on the conductor's cabin side.
- The KANI24-500 series includes a replaceable TN coupler on the conductor's cabin side.
- Tail lights and train marks are equipped with a constant lighting board, and the OHANEFU25-0 series includes an ON-OFF switch.
- Tail lights and train marks illuminate with white LEDs.
- The train mark is pre-printed with "Hokutosei."
- The OHANEFU24-500 series has no printed train mark, and no light board is installed.
- Car numbers can be selected with an included transfer sheet.
- Features new power collection system and black wheels.
* The interior conversion to B compartment in the OHANEFU25-0 series is not replicated.
* This set does not include a motor car.
- Compatible with Interior Lighting Kit Tomix 0731 (for SUHANE 25-500 and OROHANE 25-500) and Tomix 0733 (for the other cars)
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