R143 (New York City Subway car)

class of New York City Subway car

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.

R143
An R143 train on the L at Broadway Junction
Interior of an R143 car
In service2001–present
ManufacturerKawasaki Rail Car Company
Built atYonkers, New York
Lincoln, Nebraska
Kobe, Japan
Family nameNew Technology Train
ReplacedR40/As and R42s on the L route
Constructed2001–2003
Entered serviceDecember 4, 2001 (acceptance testing)
February 12, 2002 (official service)
Number built212
Number in service212 (192 in revenue service during rush hours)
Formation53 4-car sets (2 A cars and 2 B cars)
Fleet numbers8101–8312
Capacity240 (A car)
246 (B car)
Operator(s)New York City Subway
Depot(s)East New York Yard[1]
Service(s) assigned"L" train – 176 cars (22 trains)[2]
Specifications
Car body constructionStainless steel with fiberglass rear bonnets
Train length4 car train: 240.84 feet (73.41 m)
8 car train: 481.68 feet (146.82 m)
Car length60.21 feet (18.35 m)
Width9.77 feet (2,978 mm)
Height12.13 feet (3,697 mm)
Platform height3.76 ft (1.15 m)
Doors8 sets of 50 inch wide side doors per car
Maximum speed55 mph (89 km/h)
WeightA car: 83,700 lb (38,000 kg)
B car: 81,900 lb (37,100 kg)
Traction systemBombardier MITRAC propulsion system, 3-Phase IGBT-VVVF two-level AC Traction Motors Model 1508C, Pulse-width modulation
Prime mover(s)Electric motor
Power output150 hp (111.9 kW) per axle
Acceleration2.5 mph/s (4.0 km/(h⋅s))
Deceleration3.0 mph/s (4.8 km/(h⋅s))
(full service),
3.2 mph/s (5.1 km/(h⋅s))
(emergency)
AuxiliariesSAFT 250AH battery (B car)
Electric system(s)600 V DC Third rail
Current collection methodContact shoe
Braking system(s)Dynamic braking propulsion system; WABCO RT96 tread brake system; safety brakes
Safety system(s)dead man's switch, tripcock
Headlight typeIncandescent light bulb
Track gauge1,435 mm (4 ft 8 12 in) standard gauge
R143 Z Train Leaves The Marcy Avenue Station, Heading Towards Broad Street

References

change
  1. "Car/Yard Assignments" (PDF). Archived from the original (PDF) on December 5, 2019.
  2. "Subdivision 'B' Car Assignments: Cars Required April 27, 2020" (PDF). The Bulletin. 63 (6). Electric Railroaders' Association: 14. June 2020. Retrieved June 1, 2020.