The Class 321 is a electric multiple-unit manufactured by BREL, in use on Stepford Connect. These trains are formed of 4 coaches, and cost 1500 points.
- Up until July 2018, the Class 321 trains had an incredibly bland livery, more like the Class 321/9
- This train is the second Next Generation trains to have smooth curving on the sides. All other NG trains have had sharp curves. Some trains might get a redesign.
- In real life, these trains are being replaced by the Class 720.
- This class of train is nicknamed the "Dusty Bin". This name is derived from an animated character on the game show 3-2-1.
- This train has the same motor as the Class 319 and the Class 508, both of which are operated by WaterLine.
- In real life, these are operated by Northern and Greater Anglia, they also formerly operated for London Midland and Great Northern, Furthermore, the former London Midland sets have been sent to ScotRail and will be converted in to similar, but shorter class 320s, and will also be converted into hydrogen trains in the far future.
- The Next Generation Class 321s are going to be Renatus Project Class 321s.
- This train is based off the class 321/3.
- This is the first Mark 3 based train.
- The triangle on the front of the train is to indicate the First Class end of the train, and that there is a guard's controls there, even though the Class 321 doesn't have guard controls.
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