Hino Rainbow

The Hino Rainbow (kana:日野・レインボー) is a medium-duty single-decker bus marketed by the Japanese manufacturer Hino since 1980. The range can be built as either a complete bus or a bus chassis. It was also available for the city bus for the midibus and the tourist coach for the minibus. Asia Motors (now Kia Motors) released as a badge engineered version called the Cosmos. It is built by J-Bus.
Rainbow RB/AB (1985-1995).
The Rainbow RB (rear engine)/AB (front engine) was a minibus that was built as the tourist coach.
Rainbow HR (1999-2010).
The Rainbow HR was a rebadged Isuzu Erga-J and a non-step (low-entry) city bus. The HR1J engine is J08C 220ps 6-cylinder 8-litre diesel engine. The HR7J engines J07E 225ps 5-cylinder 7-litre diesel engine with a turbocharger and intercooler.
Rainbow II (2004-2016).
The Rainbow II is a rebadged Isuzu Erga Mio. It is most common available in non-step (low-floor) city buses and they have a rounded roof dome (more rounded than the Rainbow HR) with a double-curvature windscreen and a separately mounted destination blind.
Rainbow (2016-present).
The Rainbow is a rebadged Isuzu Erga Mio. It is completely similar to the Rainbow II, with a rounded roof dome (similar to the Rainbow II), a double-curvature windscreen with a separately mounted destination blind.