A R142A trainset on the 6 line approaches Parkchester station in the Bronx. The 6 Lexington Avenue Local is a Rapid transit service of the New York City Subway.

A R142A series car on the 4 service.

The R142A, along with the R142 is the newest generation of cars for the New York Subway's IRT division. R142 is the model class of the newest generation of IRT cars for the New York City Subway. The New York City Subway is a Rapid transit system owned by the City of New York and leased to the New York City Transit Authority, a subsidiary agency The Interborough Rapid Transit Company (IRT was the operator of the original underground New York City Subway line that opened in 1904 as well as earlier Elevated railways ^[1]

The R142A is built by Kawasaki and has many of the same features as the R142, built by Bombardier. is the rolling stock production division of Kawasaki Heavy Industries. Bombardier Inc (bɔ̃baʁdje is a Canadian conglomerate, founded by Joseph-Armand Bombardier as L'Auto-Neige Bombardier Limitée in 1942 The main order of 400 R142A cars are numbered 7211-7610; the 120 option cars are numbers 7611-7730. Eighty cars, known as the R142S, were built by Kawasaki in 2003-04 to supplement the R142As. They are numbered as 7731-7810. The MTA considers the R142S to be R142A.

These cars can be found on the 4 and 6 services. The 4 Lexington Avenue Express is a Rapid transit service of the New York City Subway. The 6 Lexington Avenue Local is a Rapid transit service of the New York City Subway.

Differences Between the R142 and R142As

• The R142A's external speakers have a narrower rim around the edges than those on the R142.
• The interior speakers on the R142A are recessed into the curved portion of the ceiling with only lines of pinholes to denote their location while the R142's speakers are located in the midline of the cab on the ceiling and are not concealed.
• The R142A's drives have a characteristic sound under acceleration and deceleration that is distinct from that of the R142 because of different AC traction motors. An alternating current ( AC) is an Electric current whose direction reverses cyclically as opposed to Direct current, whose direction remains constant See also Electric vehicle, Electric motor A traction motor is a type of Electric motor used to power the driving wheels of a vehicle such as The R142's use Alstom AC traction motors, while the R142A's use Bombardier AC traction motors. Alstom ( is a large French multinational conglomerate which holds interests in the power generation and Transport markets Bombardier Inc (bɔ̃baʁdje is a Canadian conglomerate, founded by Joseph-Armand Bombardier as L'Auto-Neige Bombardier Limitée in 1942
• B cars have traction motor at number one end.
• The R142A's cab ends are one piece, while the destination sign area and window section are two separate pieces on the R142.
• The LCD destination signs between the two doors of each side of cars as well as interior LED passenger information signs are different. The LCD destination signs and LED interior passenger information signs on the R142 turn-off when changing, while the ones on the R142A switch without turning off.
• The interior red door indicator lights on R142s are directly above the doors near its corners and point downwards towards the floor while the R142A's interior red door indicator lights are located just to the left and right of the doors and point towards the opposite wall.
• The flashing orange closing door lights are slightly larger on the R142s.
• The car end lexan glass windows open through a few tiny screws on R142s compared to the keyhole on the R142As.

R-142A "Millennium" specifications

References

External links

• Kawasaki - R142A
• nycsubway.org - NYC Subway Cars: R142
• Educated » Blog Archive » Subway Sounds: R-142A