SSB DT 8

SSB DT 8
DT 8 street running in September 1995
In service1985–present
ManufacturerDuewag (DT8.4–DT8.9)
Siemens/ADtranz (DT8.10)
Bombardier (DT8.11)
Stadler (DT8.12–DT8.15)
Refurbished2007–2017 (DT8.5–DT8.9)
Number in service204 sets (As of 2019)
Number preserved2 cars
Formation2 cars per trainset
Capacity108 seated, 138 standing (DT8.10)
106 seated, 144 standing (DT8.12)
Specifications
Train length38,050 mm (124 ft 10+116 in)
39,110 mm (128 ft 3+34 in) (DT8.12)
Car length18,400 mm (60 ft 4+716 in)
Width2,650 mm (8 ft 8+516 in)
Height3,715 mm (12 ft 2+14 in)
Floor height1,000 mm (39+38 in)
Doors2 pairs per car (per side)
Wheel diameter74 cm (29 in) (new)
66 cm (26 in) (worn)
Maximum speed80 km/h (50 mph)
Steep gradient9%
Power output4 × 222 kW (298 hp)
8 × 130 kW (170 hp) (DT8.12)
Acceleration1.3 m/s/s (2.9 mph/s)
Deceleration1.3 m/s/s (2.9 mph/s)
Electric system(s)750 V DC overhead catenary
Current collector(s)Pantograph
Minimum turning radius50 m (160 ft)
Coupling systemScharfenberg
Track gauge1,435 mm (4 ft 8+12 in) standard gauge

The DT 8, also known as S-DT 8, is a type of light rail vehicle used on the Stuttgart Stadtbahn system, produced in multiple iterations by various manufacturers, including Duewag and Stadler, since 1985.