There are over 700 Hino buses in service in Bangkok. These are the most popular models that can be easily found on the streets of the city:

Non-A/C red buses: Hino AK176, there are 500 of these buses in the city!

A/C blue buses: Hino HU3KKSKL, there are 80 of these buses serving zone 2

A/C Orange buses: RU1JSSL, there are 125 of these buses serving 1, 3 and 4