SMB3505B on Service 190


The Alexander Dennis Enviro500 (previously known as the TransBus Enviro500) is a three-axle double-decker bus built by Alexander Dennis (formerly by TransBus) in the United Kingdom. It was unveiled in 2002 and is one of the Enviro-series bus models made by TransBus/Alexander Dennis.

The second generation Enviro500, also known as the Enviro500 MMC, was launched in 2012, replacing the original version

SMRT Buses

SMRT made a total purchase of 201 Alexander Dennis Enviro500s in 2014, some of which are purchased under Bus Service Enhancement Programme Scheme (BSEP), funded by the Land Transport Authority (LTA).

In April 2014, SMRT announced a purchase of 201 Alexander Dennis Enviro500s. These buses were the first double-deckers to be purchased by SMRT. The first two buses were built as demonstrators, with chassis built in Guildford, UK. Alexander Dennis assembled the first demonstrator unit, while Zhuhai Granton Bus And Coach assembled the rest of the buses.

Under the Bus Contracting Model, some of the BSEP buses have been leased by the LTA to other operators.

Specification Table

Demonstrators Production batch
Registration no. SMB5001A SMB5002Y SMB3501L - SMB3616P
SMB5003U - SMB5085H
Vehicle bodywork Enviro500 MMC
Vehicle bodywork assembler Alexander Dennis Limited (Bus Body Group) Zhuhai Granton Bus And Coach Co., Ltd.
Chassis manufacturer Alexander Dennis Limited (Chassis Group) Sime Darby TMA Sdn. Bhd.
Quantity 2 199
201 (Total)
Year 2014 & 2015
Period of registration 25 Jun 2014 19 Jun 2014 1 Jul 2014 – 1 Dec 2015
Passenger capacity Seating (Upper deck): 55
Seating (Lower deck): 28
Standing: 51
Wheelchair bay: 1
Total: 134
Engine model Cummins ISL8.9E5 340B
Engine capacity 8849 cc
Emission standard Euro V
Transmission model ZF EcoLife 6 AP 1700 B (TopoDyn Life)
Power/torque 340 hp (250 kW) @ 2100 rpm / 1500 Nm @ 1200 - 1400 rpm
Air-con model Denso
EDS model Mobitec MobiLED
EDS controller model Mobitec MobiMASTER ICU 602
Seat model Vogelsitze System 750/3
Door model Ventura Systems


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