都城嘉慕威曼都城巴士
In 1981, CMB and KMB introduced the first 12-metre 3-axle double-deckers (MCW Metrobus). Another three 12-metre 3-axle double-decker bus models were introduced in late 1981/early 1982, namely Volvo Ailsa B55, Dennis Dragon/Condor and Leyland Olympian, all except the Volvo Ailsa are second generation rear-engined double-deckers.