I can not find a thread for these so i thought it was worth starting one to discuss the construction and delivery and introduction of these units.
It looks like the new Grand Central IET units have been given the Class 820 classification very recently.
en.wikipedia.org
www.railmagazine.com

I am surprised they have skipped straight to 820 instead of 804 or 806 or 808 or 809 which are all still available. But i suppose classifications are always quite random now. You never know what they will choose.
Does anyone know whether the Hitachi factory have started construction of these new Grand Central units yet.
It looks like the new Grand Central IET units have been given the Class 820 classification very recently.
British Rail Class 820 - Wikipedia
Grand Central tweaks Cleethorpes plan - confirms class number of tri-mode sets
Open access operator makes minor adjustment to its application for new London Kings Cross-Cleethorpes services.
Grand Central tweaks Cleethorpes plan - confirms class number of tri-mode sets
By David Stubbings
17 March 2026
Grand Central has modified its application to run direct services between London Kings Cross and Cleethorpes.
The open access operator first applied to run four return services to the Lincolnshire town in March 2025, also calling at Scunthorpe, Habrough and Grimsby.
It has proposed services would join existing services between London and Doncaster, where they would split/join.
Grand Central (GC) has now updated its application to include Barnetby on all services and additional Peterborough stops (two Monday-Saturday and one on Sunday).
It has also confirmed Class 180 diesel multiple units would be used until the arrival of tri-mode units, now designated as Class 820.
Nine five-car sets were ordered in spring last year with the first expected in 2028.
GC has said that if it secures access rights until 2038 (in line with its Bradford and Sunderland routes) then it would order two more ‘820s’.
In its application form to the Office of Rail and Road (ORR), the operator said, if approved, it would look to hire to more Class 180s from December 2026 until the Hitachi-built replacements are ready. Angel Trains currently owns four ‘180s’which are off lease.
GC also said it had held “extensive discussions” with Network Rail, (NR) adding: “It is the belief of GC that there are no issues preventing the introduction of these proposed services.”
It said NR had advised it wasn’t responding in support or otherwise yet.
“We look forward to receiving NR's feedback in due course and are confident the robust approach to our application will see us pre-emptively answer any concerns that NR does raise directly with the ORR.”
One area thought to be of concern is the idea of trains dividing/joining at Doncaster.
While GC has said this will mean no more paths are needed on the East Coast Main Line, it said in its P Form it recognised the potential risk but “will work closely with NR on detailed contingency arrangements to ensure any delay is minimised”.
GC continued: “In advance of that detailed work, we have set out our suggested process for the splitting and joining, and also contingency planning in a document attached to our application.”

I am surprised they have skipped straight to 820 instead of 804 or 806 or 808 or 809 which are all still available. But i suppose classifications are always quite random now. You never know what they will choose.
Does anyone know whether the Hitachi factory have started construction of these new Grand Central units yet.
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