The R143 is a class of New Technology Train cars built by Kawasaki Rail Car Company for the New York City Subway's B Division . It operates mainly on the L line, but also operated on the J, M, and Z lines.
Quick facts In service, Manufacturer ...
R143 An R143 train on the
L at
Broadway Junction Interior of an R143 car
In service 2001–present Manufacturer Kawasaki Rail Car Company Built at Yonkers, New York Lincoln, Nebraska Kobe , Japan Family name New Technology Train Replaced R40/As and R42s on the L routeConstructed 2001–2003 Entered service December 4, 2001 (acceptance testing) Number built 212 Number in service 212 (192 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) Operators New York City Subway Depots East New York Yard [ 1] Service(s) assigned – 176 cars (22 trains)[ 2] Car body construction Stainless steel with fiberglass rear bonnets Train length 4 car train: 240.84 feet (73.41 m) m) Car length 60.21 feet (18.35 m) Width 9.77 feet (2,978 mm) Height 12.13 feet (3,697 mm) Platform height 3.76 ft (1.15 m) 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) lb (37,100 kg) Traction system Bombardier MITRAC propulsion system, 3-Phase IGBT-VVVF two-level AC Traction Motors Model 1508C, Pulse-width modulationPrime mover(s) Electric motor Power output 150 hp (111.9 kW) per axle Acceleration 2.5 mph/s (4.0 km/(h⋅s)) Deceleration 3.0 mph/s (4.8 km/(h⋅s)) mph/s (5.1 km/(h⋅s)) Auxiliaries SAFT 250AH battery (B car) Electric system(s) 600 V DC Third rail Current collector(s) Contact shoe Braking system(s) Dynamic braking propulsion system; WABCO RT96 tread brake system; safety brakesSafety system(s) dead man's switch , tripcock Headlight type Incandescent light bulb Track gauge 1,435 mm (4 ft 8 1 ⁄ 2 in ) standard gauge
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R143 Z Train Leaves The Marcy Avenue Station, Heading Towards Broad Street 
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