R143 (New York City Subway car)
Class of New York City Subway car / From Wikipedia, the free encyclopedia
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The R143 is a class of New Technology Train subway cars built by Kawasaki Rail Car Company for the New York City Subway's B Division. Delivered between 2001 and 2003, the cars displaced R40s and R42s that operated on the L service in conjunction with the BMT Canarsie Line's signal system being automated.
R143 | |
---|---|
In service | 2001–present |
Manufacturer | Kawasaki Rail Car Company |
Built at | |
Family name | New Technology Train |
Constructed | 2001–2003 |
Entered service | December 4, 2001 (acceptance testing) February 12, 2002 (official service) |
Number built | 212 |
Number in service | 212 (176 in revenue service during rush hours) |
Formation | 53 4-car sets (2 A cars and 2 B cars) |
Fleet numbers | 8101–8312 |
Capacity | 240 (A car) 246 (B car) |
Operators | New York City Subway |
Depots | East New York Yard[1][2] |
Service(s) assigned | [3][4] Assignments as of December 23, 2023 |
Specifications | |
Car body construction | Stainless steel with fiberglass rear bonnets |
Train length | 4 car train: 240 ft 10.08 in (73.4080 m) 8 car train: 481 ft 8.16 in (146.8161 m) |
Car length | 60 ft 2.52 in (18,352.0 mm)[5] |
Width | 9 ft 9.28 in (2,979 mm) |
Height | 12 ft 0.29 in (3,665 mm) |
Floor height | 3 ft 9.12 in (1,146.0 mm) |
Platform height | 3 ft 9.12 in (1,146.0 mm) |
Entry | Level |
Doors | 8 sets of 50 inch wide side doors per car |
Maximum speed | 55 mph (89 km/h) |
Weight | A car: 83,700 lb (38,000 kg) B car: 81,900 lb (37,100 kg) |
Traction system | PWM 2-level IGBT–VVVF (Bombardier MITRAC) |
Traction motors | 4 × Bombardier 1508C 150 hp (111.9 kW) 3-phase AC induction motor |
Power output | 2,400 hp (1,789.680 kW) (4-car set) |
Acceleration | 2.5 mph/s (4.0 km/(h⋅s)) |
Deceleration | 3.0 mph/s (4.8 km/(h⋅s)) (full service) 3.2 mph/s (5.1 km/(h⋅s)) (emergency) |
Auxiliaries | SAFT 250AH battery (B car) |
Electric system(s) | Third rail, 600 V DC |
Current collector(s) | Contact shoe |
UIC classification | Bo’Bo’+Bo’Bo’+Bo’Bo’+Bo’Bo’ |
AAR wheel arrangement | B-B+B-B+B-B+B-B |
Braking system(s) | Dynamic braking propulsion system; WABCO RT96 tread brake system; safety brakes |
Safety system(s) | CBTC, dead man's switch, tripcock |
Headlight type | Incandescent light bulb |
Track gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
The R143 was the first "B" Division order of the NTT series, and the first 60-foot (18.29 m) B Division car built for the New York City Subway system since the R42s delivered in 1969. A total of 212 cars were built, all arranged as four-car sets. First delivered in late 2001, they entered a 30-day period of revenue service testing on December 4, 2001, and officially entered service on the Canarsie Line on February 12, 2002. By March 2003, all cars had been delivered.