R21 (New York City Subway car)

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The R21 was a New York City Subway car built by St. Louis Car Company in 1956–57. The R21 was silimilar to the R17, except that it featured windows of a slightly different design. Two different propulsion system were used, Westinghouse (WH) and General Electric (GE). The R62A fleet started replacing the R21s in the 1980s, and the last revenue service was in late 1987. The few remaining R21s are in work service.

[edit] R-21 Specifications

• Car Builder: St. Louis Car Company; St Louis, MO (USA)
• Unit Numbers:7050-7299
• Fleet of: 250 cars
• Car Body: LAHT carbon steel
• Car Length: 51 feet, 1/2 inches long
• Car Width: 8 feet, 9 inches wide
• Car Height: 11 feet, 10 inches tall
• Track Gauge: 4 feet, 8-1/2 inches (1.435 m)
• Total Weight: 77,607(GE) lbs, 78,604(WH)lbs.
• Total Seats: 44
• Propulsion System: Westinghouse (7175-7299) and General Electric (7050-7174)
• Brakes: WABCO ME42A SMEE Braking System

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Current fleet	IND/BMT/SIR: R32 - R32A - R38 - R40 - R40A - R42 - R44 - R46 - R68 - R68A - R143 - R160A - R160B IRT: R62 - R62A - R142 - R142A - R142S
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