"Ignore the Name, the M-1A2SEPV3 Is a New Tank" Topic

"he U.S. Army just got a new tank. But you wouldn't know it from the way the ground-combat branch describes the vehicle.

On Oct. 4, 2017, the Army's program office for ground vehicles announced that the service had accepted the first M-1A2SEPV3 "on schedule and on budget." General Dynamics Land Systems builds the tank in Lima, Ohio, using existing M-1 hulls as a starting point.

The Army asked to buy 56 M-1A2SEPV3 tanks in 2018, against a total requirement for around a thousand of the new vehicles — enough to equip all of the branch's active-duty tank brigades. At present, a V3 costs around $20 USD million. The price should drop as the production rate increases…"
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Amicalement
Armand

Just doing what the US Navy did in the later 1800's, 'rebuilding' Civil War monitors into pre-dreadnoughts. They put the monitor into drydock and stripped it completely then built a pre-dreadnought in the same slip from new materials and then riveted the original name plate on – Look Congress, its not a new ship

Don't care how they do it. Just as long as it works!

Service Life Extension Version 3.

And honestly, no the US Army of WW2 would NOT have given this a new number.

The various Sherman versions were differentiated by mechanicals or hull construction, and this has the same engine and hull as the preceding Abrams.