The Toyota Dyna U-BU66D is an older Japanese light-duty truck chassis powered by Toyota's 14B diesel engine. For overseas buyers, its main appeal is a straightforward commercial-truck specification: a 3.66-liter diesel engine, manual transmission in commonly documented examples, and approximately 2-ton payload configurations found in the Japanese used market. However, a U-BU66D is now more than 30 years old. The correct buying decision should focus less on the Dyna name and more on the actual engine condition, chassis rust, clutch, brakes, cooling system, tyres, body equipment and import eligibility. This guide explains the U-BU66D and 14B engine, how this generation ...