San Diego Trolley - Fleet Specifications

Fleet Specifications

Below are the technical specifications of the system's four different models of light rail vehicles, as shown on the website of the MTS.

Specification U2 Model SD100 Model S70 (Full Length) Model S70 (Streetcar Length) Model
Manufacturer Duewag (with assistance from Siemens) Düsseldorf, West Germany and Sacramento, CA Siemens Sacramento, CA Siemens Sacramento, CA Siemens Sacramento, CA
Type Double-ended articulated car, 6 axle, multiple-unit operation to 5 cars. Double-ended articulated car, 6 axle, multiple-unit operation to 5 cars. Double-ended articulated car, 6 axle, multiple-unit operation to 5 cars. Double-ended articulated car, 6 axle, multiple-unit operation to 5 cars.
Fleet Size 71 60 (11 Units sold to Metrotranvía of Mendoza) 52 11 40 (Current) + (17 in delivery process) = 57 Future Total
Car Nos. 1001–1071 2001–2052 3001–3011 4001–4057
First Purchase 1981 1995 2005 2011
Height
(top of car to rail)
12.4 feet (3,780 mm) 12.4 feet (3,780 mm) 12.4 feet (3,780 mm) 12.4 feet (3,780 mm)
Center Aisle Floor Height 39 inches (991 mm) 39 inches (991 mm) 15 inches (381 mm) 15 inches (381 mm)
Width (exterior) 8.7 feet (2,652 mm) 8.7 feet (2,652 mm) 8.7 feet (2,652 mm) 8.7 feet (2,652 mm)
Length (end to end) 76 feet (23.165 m) 76.71 feet (23.381 m) 88.5 feet (26.975 m) 79.1 feet (24.110 m)
Length
(over coupler faces)
79.67 feet (24.283 m) 81.36 feet (24.799 m) 90.7 feet (27.645 m) 81.36 feet (24.799 m)
Weight (empty) 77,161 pounds (35,000 kg) 89,000 pounds (40,370 kg) 97,900 pounds (44,407 kg) 96,500 pounds (43,772 kg)
Car Body Lightweight welded steel, reinforced fiberglass covers articulation and operator cab portion. Lightweight welded steel. Low alloy high tensile steel and composite materials. Low alloy high tensile steel and composite materials.
Interior Upholstered neoprene foam (fire-resistant) seat. Rubber flooring. Simulated wood paneling. Upholstered neoprene foam (fire-resistant) seat. Rubber flooring. Simulated wood paneling. Cloth-covered loam seats (fire-resistant), rubber flooring, color-coordinated paneling. Cloth-covered loam seats (fire-resistant), rubber flooring, color-coordinated paneling.
Wheels Steel-tired with acoustic dampening. Steel-tired with acoustic dampening. Steel-tired with acoustic dampening. Steel-tired with acoustic dampening.
Dynamic Braking Primary method of stopping car. Fades when speed reduced to approx. 1⁄2–3 miles per hour (0.8–4.8 km/h). Friction braking completes the stop. Traction motors operate as generators. Full dynamic braking from 50 to 3 miles per hour (80.5 to 4.8 km/h). Primary method of stopping car. Fades when speed reduced to approx. 1⁄2–3 miles per hour (0.8–4.8 km/h). Friction braking completes the stop. Traction motors become generators. Full dynamic braking from 55 to 3 miles per hour (88.5 to 4.8 km/h). Primary method of stopping car. Fades when speed reduced to approx. 1⁄2–3 miles per hour (0.8–4.8 km/h). Friction braking completes the stop. Traction motors become alternators. Full dynamic braking from 55 to 1⁄2 mile per hour (88.5 to 0.8 km/h). Primary method of stopping car. Fades when speed reduced to approx. 1⁄2–3 miles per hour (0.8–4.8 km/h). Friction braking completes the stop. Traction motors become alternators. Full dynamic braking from 55 to 1⁄2 mile per hour (88.5 to 0.8 km/h).
Ventilation (cooling and heating unit on entire fleet) Dynamic air pressure allowing an exchange rate of not less than 20 times per hour. Dynamic air pressure allowing an exchange rate of not less than 20 times per hour. Interior air-conditioning and heating to accommodate local climate. Interior air-conditioning and heating to accommodate local climate.
Speed 50 miles per hour (80.5 km/h) maximum 55 miles per hour (88.5 km/h) maximum 55 miles per hour (88.5 km/h) maximum 55 miles per hour (88.5 km/h) maximum
Overhead Traction Power 600 V DC 600 V DC 600 V DC 600 V DC
Operating Power Requirements 500 kW to accelerate from a stationary position. 150 kW needed to maintain speed. 550 kW to accelerate from a stationary position. 165 kW needed to maintain speed. 130 kW to maintain speed. 130 kW to maintain speed.
Passenger Capacity Seated: 64
Commute: 96
Special Events: 150
Seated: 64
Commute: 96
Special Events: 150
Seated: 64 (52 with wheelchairs)
Commute: 120
Special Events: 163
Seated: 60 (52 with wheelchairs)
Commute: 120
Special Events: 195
Doors – 8 per car Individually activated by passenger pushing button after locks released by operator. One for wheelchair lift; low level stair boarding through double-folding doors. Opened by operator and/or Individually activated by passenger pushing button after locks released by operator. One for wheelchair lift; low level stair boarding through double-folding doors. Opened by operator and/or Individually activated by passenger pushing button after locks released by operator. All center sliding doors comply with ADA requirements; low-floor boarding through sliding doors. Opened by operator and/or Individually activated by passenger pushing button after locks released by operator. All center sliding doors comply with ADA requirements; low-floor boarding through sliding doors.
Door Safety System Includes photo-electric cells and sensitive door leaf edges, weight sensor on lower step. Photo-electric cells and sensitive door leaf edges. Photo-electric cells and sensitive door leaf edges. Photo-electric cells and sensitive door leaf edges.
Wheelchair Lifts Located at one dedicated door at one end of each vehicle. Located at one dedicated door at one end of each vehicle. Bridge plates/ramps on 2 designated doors per car side. Bridge plates/ramps on 2 designated doors per car side.

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