R142A (New York City Subway car)

R142A
An R142A train on the 4 line approaching 161st Street–Yankee Stadium
Interior of an R142A car
In service	2000–present
Manufacturer	Kawasaki Rail Car Company
Built at	Yonkers, New York, US Lincoln, Nebraska, US Kobe, Hyōgo, Japan
Family name	NTT (new technology train)
Replaced	All Redbirds (R26–R36)
Constructed	1999–2002[1] & 2004–2005[2]
Entered service	July 10, 2000 (revenue service testing) November 2, 2000 (official service)
Refurbished	R188s: 2010–2016 (cars 7211–7590 only)
Number built	600
Number in service	220 (170 in revenue service during rush hours) (380 in revenue service as R188s)
Formation	5-car sets (2 A cars and 3 B cars)
Fleet numbers	7211–7810 (as built) 7591–7810 (currently, after R188 conversion)
Capacity	176 (A car) 188 (B car)
Operators	New York City Subway
Depots	Jerome Yard[3][4]
Service(s) assigned	[5][6] Assignments as of June 30, 2024
Specifications
Car body construction	Stainless steel with fiberglass end bonnets
Train length	513 ft 4 in (156.46 m)
Car length	51 ft 4 in (15.65 m)[7]
Width	8 ft 7+3⁄16 in (2,621 mm)
Height	11 ft 10+5⁄8 in (3,623 mm)
Floor height	3 ft 7+3⁄4 in (1.11 m)
Platform height	3 ft 7+3⁄4 in (1.11 m)
Entry	Level
Doors	6 sets of 54 inch wide side doors per car
Maximum speed	55 mph (89 km/h) Service 66 mph (110 km/h) Design
Weight	73,300 lb (33,200 kg) (A car) 67,800 lb (30,800 kg) (B car)
Traction system	PWM 2-level IGBT–VVVF (Bombardier MITRAC)
Traction motors	2 or 4[a] × Bombardier 1508C 150 hp (111.855 kW) 3-phase AC induction motor
Power output	2,100 hp (1,565.970 kW) (5-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 or 5.1 km/(h⋅s) (emergency)
Auxiliaries	SAFT 195 AH battery (B car)
Electric system(s)	Third rail, 625 V DC
Current collector(s)	Contact shoe
Braking system(s)	Dynamic/Regenerative braking propulsion system; WABCO RT-96 tread brake system
Safety system(s)	Dead man's switch, Train stop
Headlight type	Halogen light bulb
Track gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge

The R142A is the second order of new technology cars (NTTs) for the A Division of the New York City Subway.^[8] These cars were built by Kawasaki Heavy Industries in the U.S. at Yonkers, New York and Lincoln, Nebraska, and in Japan at Kobe, Hyōgo. They replaced the Redbird trains, including the R26, R28, R29, R33, R33S, and R36. The R142A fleet initially comprised 600 cars, arranged as five-car units.

The first R142As were delivered on December 20, 1999. The cars initially experienced minor issues while undergoing testing, but entered service on July 10, 2000, as part of its 30-day revenue acceptance test. After successful completion, the cars entered revenue service by November 2, 2000.^[9] The fleet initially ran on the 4 and 6 services of the IRT Lexington Avenue Line. The R142As, along with the R142s, are the first New York City Subway cars to feature recorded announcements. In 2010–2016, 380 cars (7211–7590) were retrofitted with communications-based train control (CBTC) for the automation of the Flushing Line and became part of the R188 fleet, leaving 220 cars (7591–7810) in the R142A fleet. In January 2019, the MTA has proposed mid-life upgrades to the remainder of the R142As.

Cite error: There are <ref group=lower-alpha> tags or {{efn}} templates on this page, but the references will not show without a {{reflist|group=lower-alpha}} template or {{notelist}} template (see the help page).