What is R143 (New York City Subway car)?
{{Infobox train | background = | name = R143 | image = From the J Train td (2019-01-25) 05.jpg | imagesize = 250px | caption = An R143 train on the [[L (New York City Subway service)|'''L''']] at [[Broadway Junction station|Broadway Junction]] | interiorimage = NYC Subway R143 8283 Interior.jpg | interiorcaption = Interior of an R143 car | service = 2001–present | manufacturer = [[Kawasaki Heavy Industries Rolling Stock Company|Kawasaki Rail Car Company]] | factory = [[Yonkers, New York]]<br>[[Lincoln, Nebraska]]<br>[[Kobe]], [[Japan]] | family = [[New Technology Train]] | refurbishment = | replaced = [[R40/A (New York City Subway car)|R40/As]] and [[R42 (New York City Subway car)|R42s]] on the L route | formation = 53 4-car sets (2 A cars and 2 B cars) | fleetnumbers = 8101–8312 | operator = [[New York City Subway]] | depots = {{NYCS const|depot}} | lines = {{NYCS const|car}} | yearconstruction = 2001–2003 | yearservice = December 4, 2001 (acceptance testing)<br>February 12, 2002 (official service) | yearscrapped = | numberbuilt = 212 | numberservice = 212 (192 in revenue service during rush hours) | numberscrapped = | carbody = Stainless steel with fiberglass rear bonnets | trainlength = 4 car train: {{convert|240.84|ft|m}}<br>8 car train: {{convert|481.68|ft|m}} | carlength = {{convert|60.21|ft|m}} | width = {{convert|9.77|ft|mm|0}} | height = {{convert|12.13|ft|mm|0}} | floorheight = | platformheight = {{convert|3.76|ft|abbr=on}} | entrylevelorstep = | art-sections = | doors = 8 sets of 50&nbsp;inch wide side doors per car | maxspeed = {{convert|55|mph|km/h|abbr=on}} | weight = A car: {{convert|83700|lb|kg|abbr=on}}<br>B car: {{convert|81900|lb|kg|abbr=on}} | capacity = 240 (A car)<br>246 (B car) | acceleration = {{convert|2.5|mph/s|km/h/s|abbr=on}} | deceleration = {{convert|3.0|mph/s|km/h/s|abbr=on}}<br> (full service),<br> {{convert|3.2|mph/s|km/h/s|abbr=on}}<br> (emergency) | traction = [[Bombardier Transportation|Bombardier]] MITRAC propulsion system, 3-Phase IGBT-VVVF two-level AC Traction Motors Model