Ashok Leyland 12M

The Ashok Leyland 12M is a range of front-engined, rear-wheel-drive bus chassis made by Ashok Leyland of India and aimed mainly at inter-state bus operators. The name refers to the chassis length of 11.7 metres. Introduced in the 2000s, it has been sold with diesel engines of the H series in successive emission generations. The BS II chassis offered four turbocharged and intercooled engines from 113 to 205 horsepower, the BS III chassis added common rail versions up to 225 horsepower with an optional Leymatic automated manual transmission and electromagnetic retarder, and the BS IV chassis added SCR and i-EGR exhaust treatment. Options include air conditioning, a retarder, full air suspension and automated transmission, and the chassis is now sold with diesel engines only.