To clarify
R188 (New York City Subway car)
Manufacturer    Kawasaki Rail Car Company
Built at    Yonkers, NY, USA and
Kobe, Hyōgo, JP
Constructed    2011–2015
Number under construction    506 (146 new cars, 360 conversions)
Number built    11 cars
Formation    5 car sets (2 A cars and 3 B cars) and 6 car sets (2 A cars, 3 B cars, 1 C car)
Fleet numbers    TBA
Capacity    176 (A car)
188 (B car)
Operator    New York City Subway
Specifications
Car body construction    Stainless steel with fiberglass blind end bonnets
Train length    564.63 feet (172.10 m)
Car length    51.33 feet (15.65 m)
Width    8.60 feet (2.62 m)
Height    11.89 feet (3.62 m)
Platform height    3.6458 ft (1.1 m)
Doors    6 per car
Maximum speed    55 miles per hour (89 km/h)
Acceleration    2.5 MPHPS
Deceleration    2.5 MPHPS (full service),
3.2 MPHPS (emergency)
Traction system    Bombardier MITRAC propulsion system,
3-Phase AC Traction Motors Model 1508C
Power output    150 hp (111.855 kW) per motor axle
Electric system(s)    625 VDC
Current collection method    Third rail
Braking system(s)    Dynamic braking propulsion system; tread brake system
Gauge    1,435 mm (4 ft 8 1⁄2 in) Standard gauge
Source: 
http://en.wikipedia.org/wiki/R188_%28New_York_City_Subway_car%29