Hitachi small-type monorail (Sentosa Express)

The Hitachi small-type monorail is a straddle-type monorail built by Hitachi Ltd. for the use on the Sentosa Express. These trains are part of Hitachi line of ALWEG based monorail. The trains were part of a project to replace Sentosa's previous aging monorail system. The trains are fully air-conditioned.
Exterior design.
Each train has an individual colour scheme - green, orange, blue, purple, pink, yellow and red. All trains are for passenger service, except for the yellow maintenance train.
The straddle-type small monorail is small in size but able to navigate through tight turns.
Operations and safety systems.
Trains and platform screen doors were previously manually operated by train attendants; the trains utilised Automatic Train Protection to ensure trains keep a safe distance between each other and Automatic Train Supervisory to provide the route setting for the train to travel.
With the upgrading to Communications Based Train Control (CBTC) in 2017, trains and platform screen doors are now operated automatically. 
Trains cruise at but is designed to speed up to .
Train formation.
The configuration of the Hitachi small-type monorail in revenue service is Mc1-Tc2