The is a diesel multiple unit (DMU) tilting train type operated by the third-sector operating company Chizu Express and West Japan Railway Company (JR West) on Super Hakuto limited express services between , , and in Japan since December 1994.
The designation "HOT" is derived from the initials of the three prefectures along the route served: Hyogo Prefecture, Okayama Prefecture, and Tottori Prefecture.
Trains are normally formed as five-car sets, sometimes lengthened to six cars.
The first trains entered service on 3 December 1994.
Smoking compartments were added to cars 1 and 5 from 1 June 2008.