ATM Class 4900
The ATM Class 4900 is a series of articulated trams used by the ATM on the Milan urban tramway network.
ATM Class 4900 | |
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Manufacturer |
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Constructed | 1976–1978 |
Entered service | 1976 |
Number built | 100 |
Fleet numbers |
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Capacity |
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Operator(s) | Azienda Trasporti Milanesi |
Specifications | |
Train length | 29.210 m (95 ft 10 in) |
Width | 2.380 m (7 ft 9 3⁄4 in) |
Height | 3.750 m (12 ft 3 3⁄4 in) |
Floor height | 942 mm (37 in) |
Low-floor | No |
Articulated sections | Three |
Wheel diameter | 690 mm (27 1⁄8 in) |
Wheelbase | 1.800 m (5 ft 10 3⁄4 in) |
Maximum speed | 60 km/h (37 mph) |
Weight |
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Traction motors |
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Power output |
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Electric system(s) | 600 V DC, overhead line |
Current collection method | Pantograph |
UIC classification | Bo′ 2′ 2′ Bo′ |
Track gauge | 1,445 mm (4 ft 8 7⁄8 in) |
They were built from 1976 to 1978 in two series, by Fiat Ferroviaria and Stanga, respectively, and were intended to be used on the future light rail lines, like the proposed circular line that should substitute the existing circular trolleybus line.
However such lines were never built, and the 4900 were used on the existing network.
Bibliography
- Carlo Marzorati: Le nuove elettromotrici ATM 4900. In: ″Italmodel Ferrovie″ Nr. 202 (March 1977), p. 156–160.
- Giovanni Klaus Koenig: Il tram a pianale ribassato: storia e sviluppi. In: ″Ingegneria Ferroviaria″, May 1985, p. 223–241.
- Giovanni Cornolò, Giuseppe Severi: Tram e tramvie a Milano 1840-1987., Azienda Trasporti Municipali, Milan 1987.
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External links
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