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Home / SMRT Buses, Singapore (before GCM/BCM) / Alexander-Dennis Enviro500 MMC Mk I / BSEP 285

On 2 April 2014, SMRT Buses made its first ever purchase of double-decker buses and selected Alexander-Dennis to supply 201 units of Enviro500 MMC. Officially named Trident E500 Turbo, the latest tri-axle double decker model is also known as Enviro500 MMC (Major Model Change), Enviro500NG or E50D. One initial unit was built in the United Kingdom, while the rest were assembled in Zhuhai, China. The production chassis supplied for SMRT Buses were built by Sime Darby TMA in Pasir Gudang, Malaysia. SMRT double-decker buses made their debut on BSEP Route 972 on 13 July 2014, marking a new chapter in SMRT Buses' history.

BSEP Enviro500 MMC 12m double-decker buses are mechanically similar to those owned by SMRT Buses - they are powered by the Cummins ISL8.9e5340B engine (8849cc) which is Euro V compliant and fitted with ZF EcoLife 6AP1700B 6-speed automatic transmission.

This New Generation model is an evolution of the original Transbus/Alexander-Dennis Enviro500, which in turn was the direct successor to the Dennis Trident 3 which SBS Transit operates a small fleet. The Enviro500 MMC, Enviro500 and Dennis Trident are very popular models for major public bus operators in Hong Kong.

It is likely that a substantial portion of these BSEP buses, if not all, would be eventually transferred to rival operators and operated under the Government Contracting Model by mid-2016.