R9 (New York City Subway car)

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R9
R9 car 1802 at Brighton Beach on the BMT Brighton Line
In service	1940–1977
Manufacturer	American Car and Foundry Pressed Steel Car Company
Built at	Chicago, Illinois, USA
Family name	R1–9s
Constructed	1940
Entered service	1940
Number built	153
Number preserved	3
Number scrapped	150
Successor	R46
Formation	motorized single units (Half-width operator's cab at each end; conductor controls on exterior)
Fleet numbers	1650–1802 (motorized single units)
Capacity	56 (seated)
Operators	Independent Subway System NYC Board of Transportation New York City Subway
Specifications
Car body construction	Riveted steel
Car length	60 feet 2+1⁄2 inches (18.35 m)
Width	10 feet (3.05 m)
Height	12 feet 1+5⁄8 inches (3.70 m)
Platform height	3.76 ft (1.15 m)
Doors	8 sets of 45 inch wide side doors per car
Maximum speed	55 mph (89 km/h)
Weight	~ 84,575.5 lb (38,362.8 kg)
Traction system	Westinghouse 570-D5 or General Electric 714-D4, 714-D5
Power output	190 hp (142 kW)
Electric system(s)	600 V DC Third rail
Current collector(s)	Contact shoe
Braking system(s)	WABCO Schedule AMUE with UE-5 universal valve, ME-23 brake stand, and simplex clasp brake rigging. WABCO D-3-F air compressor
Coupling system	WABCO H2A
Headlight type	incandescent light bulbs
Track gauge	4 ft 8+1⁄2 in (1,435 mm)

The R9 was a New York City Subway car model, which was built by the American Car and Foundry Company and the Pressed Steel Car Company in 1940 for the Independent Subway System (IND) and its successors, which included the New York City Board of Transportation and the New York City Transit Authority. Identical to the preceding R7/As, the R9s had distinctive curved ends on the rollsign boxes and contained distinct 2CY air compressors not featured on the older cars in the R1–9 fleet.^[1] A total of 153 cars were built, numbered 1650–1802, and arranged as single units. They were the last R1–9 type cars that were ordered before the merger of the IND with the IRT and BMT in 1940.

The R9s were ordered in preparation for the opening of the IND Sixth Avenue Line, the second IND trunk line in Manhattan to open after the IND Eighth Avenue Line. They were used primarily for increased service in Queens and the opening of the Crosstown Line. They served exclusively on all IND lines for most of their service lives, but were also used on the BMT Division during their final years. The R46s replaced the R9 cars, with the final run taking place on March 31, 1977. Three cars were preserved, while the rest were scrapped.