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The R40 (sometimes referred to as R40 Slant to distinguish it from the later R40M) is a New York Subway IND-BMT car, built in 1967-1969 by the St. Louis Car Company, St.
All R40 cars were later retrofitted with pantograph gates at the ends.
With the poorly conceived slant design, NYCTA had the last 100 R40 cars (R40M) built with a non-slant end similar to the R42.