São Paulo Metro K stock

K stock
A K07 train in tests at Itaquera Yard
In service1984–present
ManufacturerCompanhia Brasileira de Material Ferroviário
Built at
Constructed1979–1986
Entered service1984
Refurbished2010–2014
Number built25 sets
Number in service24 sets
Formation6-car sets (A–B–B–B–B–A)
Fleet numbersK01–K25
Capacity2,070 (if 8 passengers/m²)
OperatorsSão Paulo Metro
Depots
  • Itaquera
  • Belém
Lines served
Specifications
Car body constructionStainless steel
Train length130.05 m (426 ft 8 in)
Car length21.75 m (71 ft 4 in)
Width3.1 m (10 ft 2 in)
Height3.62 m (11 ft 11 in)
Floor height1,113 mm (3 ft 7.8 in)
Platform height8 sets of side doors per car
EntryLevel
Maximum speed90 km/h (56 mph)
Weight
  • 37,267 kg (82,160 lb) (A cars)
  • 36,042 kg (79,459 lb) (B cars)
Traction systemMEDCOM FT-350-750-D IGBTVVVF
Traction motors24 × Traktionssysteme Austria TME 50-16-4A/B or TME 43-18-4 220 kW (300 hp) asynchronous 3-phase AC
Power output5,280 kW (7,080 hp)
Acceleration1.12 m/s2 (3.7 ft/s2)
Deceleration
  • 1.2 m/s2 (3.9 ft/s2) (service)
  • 1.5 m/s2 (4.9 ft/s2) (emergency)
HVACAir conditioning
Electric system(s)750 V DC third rail
Current collector(s)Contact shoe
UIC classificationBo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′
BogiesHard "H"
Braking system(s)
  • Regenerative and Rheostatic (in stations)
  • Pneumatic (friction)
Coupling systemN2 type (A cars)
Track gauge1,600 mm (5 ft 3 in)

The São Paulo Metro K stock is a class of refurbished electric multiple units from C stock, originally built by Companhia Brasileira de Material Ferroviário, with fleet number from K01 to K25, complemented by L stock, with fleet number from L26 to L47.

K stock had tests in other line, but never operated out of Line 3-Red.