Quote:
Originally posted by Tony Smith
Is this the same R-975 radial engine that's fitted to Stuart tanks? I think Grants had them, too, didn't they?
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The Shermans had the R975, originally the C-1, superceded by the C-4. They were both built as tank engines though using some aircraft parts. The C-4 was an improved model with many changes.
The M3 Lee/Grants had the R975 EC2 which was an aircraft engine modified to fit in tanks.
The M3 Stuarts had a seven cylinder Continental W-670 of 250 hp. This is essentially a Boeing PT17 engine, again modified for tank use.