R40A (New York City Subway car)
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|R40A (New York City Subway car)|
|Manufacturer||St. Louis Car Company|
|Replaced||many BMT AB Standards|
|Number under construction||0|
|Number built||200 (100 slant end & 100 straight end)|
|Fleet numbers||4350-4449 (slant)
originally 4450-4549 (slant) and 4250-4349 (modified)
|Operator||New York City Subway|
|Car body construction||Stainless Steel sides with Carbon Steel chassis and underframes, Fiberglass A-end bonnet|
|Car length||60 ft (18.29 m)|
|Width||10 ft (3.05 m)|
|Height||12.08 ft (3.7 m)|
|Platform height||3.76 ft (1.15 m)|
|Maximum speed||55 mph (89 km/h)|
|Weight||77,695 lb (35,242 kg) (slant)
78,030 lb (35,394 kg)
|Traction system||General Electric (GE) SCM 17KG192AE2 propulsion system using GE 1257E1 motors (115 hp or 86 kW per axle)|
|Braking system(s)||WABCO "SMEE" Braking System, A.S.F. simplex unit cylinder clasp (tread) brake|
|Safety system(s)||emergency brakes|
|Track gauge||4 ft 8 1⁄2 in (1,435 mm)|
The R40A was a B Division New York City Subway car built by the St. Louis Car Company between 1968 and 1969. The order contained two forms: a slant-ended version that was similar to the original R40 fleet (sometimes referred to as the R40 Slant), and a straight-ended (or "modified") version similar to the R42 fleet (sometimes referred to as the R40M).
History and description
The R40As were originally delivered with the same successful Stone Safety 10 ton air conditioning systems/units found on the last ten R38 cars, and became standard equipment on all future new cars purchased from this point onward. As a result of the air conditioning, the standee poles were arranged in an alternating pattern rather than the straight-line pattern seen in the older R40s.
The slant-ended cars were numbered 4350–4449 (originally numbered as 4450–4549 until 1970) while the straight-ended cars were numbered 4450–4549 (originally 4250–4349, again until 1970). The straight-end was designed by Sundberg-Ferar.
Due to the cosmetic and mechanical similarities the R40Ms and R42s shared, the two fleets often ran together. R40A cars 4460-4461 and R42 cars 4664-4665 were involved in the Williamsburg Bridge wreck of 1995, which resulted in the scrapping of R42 4664, and the rebuilding of 4461 into a slant ended car, and the mating of 4460 to R42 car 4665.
Retirement and preservation
The R160 subway car order has replaced all of the R40A fleet. The last slanted train, consisting of R40A pairs 4414–4415, 4424–4425, 4432–4433, 4398–4399, and R40 4256–4257 made its final trip on the A service on June 12, 2009, and the last modified pair, 4484–4485, ran on the V train on August 28 as a consist with eight R42s. After retirement, most cars were stripped and sunk as artificial reefs along the Atlantic coast.
Car 4460 and its R42 mate 4665 have been preserved by the Railway Preservation Corp and are stored at Coney Island Yard.
- R40 (New York City Subway car) - a similar model also built by St. Louis Car Company
- Sansone, Gene. Evolution of New York City subways: An illustrated history of New York City's transit cars, 1867-1997. New York Transit Museum Press, New York, 1997 ISBN 978-0-9637492-8-4