In Japan, Asia-Pacific, Mid-East, Africa, South America, its principal competitors are Asia AM907, Daewoo BF101/BF105, The FB bus and coach chassis evolved from designs by the Hyundai Motor Company's Thames commercial vehicle subsidiary.

The floor height of the new vehicles was lowered, with the supercharged diesel engine tilted over to one side to accommodate this.

The FB designs were popular with South Korean bus companies in the 1980s, as considerable financial assistance was available to operators for fleet renewal.

However, following the election of a more Conservative government in 1988 and the beginning of recession, demand for new buses declined rapidly and production of the FB range was halted.

Only a small number now remain in passenger use in South Korea, but many have been adapted for private use as tour buses and stock car transporters.