SSB DT 8

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SSB DT 8
DT 8 street running in September 1995
In service	1985–present
Manufacturer	Duewag (DT8.4–DT8.9) Siemens/ADtranz (DT8.10) Bombardier (DT8.11) Stadler (DT8.12–DT8.15)
Refurbished	2007–2017 (DT8.5–DT8.9)
Number in service	204 sets (As of 2019[update])[1]
Number preserved	2 cars
Formation	2 cars per trainset
Capacity	108 seated, 138 standing (DT8.10)[2] 106 seated, 144 standing (DT8.12)[3]
Specifications
Train length	38,050 mm (124 ft 10+1⁄16 in)[4] 39,110 mm (128 ft 3+3⁄4 in) (DT8.12)[5]
Car length	18,400 mm (60 ft 4+7⁄16 in)[4]
Width	2,650 mm (8 ft 8+5⁄16 in)[4]
Height	3,715 mm (12 ft 2+1⁄4 in)[4]
Floor height	1,000 mm (39+3⁄8 in)[4]
Doors	2 pairs per car (per side)
Wheel diameter	74 cm (29 in) (new) 66 cm (26 in) (worn)[5]
Maximum speed	80 km/h (50 mph)
Steep gradient	9%[5]
Power output	4 × 222 kW (298 hp)[4] 8 × 130 kW (170 hp) (DT8.12)[5]
Acceleration	1.3 m/s/s (2.9 mph/s)
Deceleration	1.3 m/s/s (2.9 mph/s)
Electric system(s)	750 V DC overhead catenary
Current collector(s)	Pantograph
Minimum turning radius	50 m (160 ft)
Coupling system	Scharfenberg
Track gauge	1,435 mm (4 ft 8+1⁄2 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.