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![]() RTD #101, the first SD-100 built, at I-25 & Broadway station in 2012 | |
![]() Diagram of the Siemens SD100 | |
In service | 1994–present |
Manufacturer | Siemens Mobility |
Built at | Florin, California |
Constructed | 1992–2013 |
Entered service | 1995–present |
Number built | 431 |
Successor | |
Capacity |
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Operators |
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Specifications | |
Car length | 24.799 m (81 ft 4+3⁄8 in) |
Width | 2,652 mm (8 ft 8+3⁄8 in) |
Height | 3,780 mm (12 ft 4+7⁄8 in) |
Floor height | 991 mm (3 ft 3 in) |
Doors | 8 (4 per side) |
Articulated sections | 1 |
Maximum speed | 80 km/h (50 mph) |
Weight | 40,370 kg (89,000 lb) |
Traction motors | 2 × 200 hp (150 kW) 4 × 194 hp (145 kW) |
Acceleration | 1.07 m/s2 (2.39 mph/s) |
Deceleration | 1.31 m/s2 (2.93 mph/s) (service) 2.63 m/s2 (5.88 mph/s) (emergency) |
HVAC | Roof-mounted air conditioning |
Electric system(s) | 600-750 V DC overhead lines |
Current collector(s) | Faiveley pantograph |
UIC classification | Bo’2Bo’ |
AAR wheel arrangement | B-2-B |
Coupling system | Scharfenberg |
Multiple working | up to five cars |
Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
Notes/references | |
[1] |
The Siemens SD-100 and SD-160 are two related types of high-floor light rail vehicles (LRV), manufactured by Siemens Mobility for the North American market. A total of 431 vehicles were built by Siemens in Florin, California from 1992 to 2013.
The SD-100 began production in 1992, and is equipped with direct current traction motors and folding doors. It was succeeded in 2001 by the revised SD-160, which is equipped with alternating current motors and plug doors. The first orders for the SD-160 were placed in 2001, and production continued until 2013.
A related design is the SD-400/SD-460 high-floor light rail vehicle, which was initially built by a Siemens–Duewag joint venture. Siemens purchased Duewag in 1999, and assembled the SD-460 model alongside the SD-100/SD-160 in Florin, California.
The SD-100, SD-160, SD-400, and SD-460 were succeeded in the 2010s by newer LRV designs from Siemens, including the low-floor S700 and S70 and the high-floor S200. As of 2024[update], most SD-100 and SD-160 vehicles remain in service with their original operators.