FS Class E.636

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FS class E.636
E.636.002 in its original livery, property of FerAlp Team museum in Bussoleno
Type and origin Power type Electric Builder Breda, OM CGE, OM Reggiane, Marelli, SNOS Savigliano, FIAT, TIBB, OF Pistoiesi, Ansaldo Build date 1940–1962
Specifications Configuration: ​  • UIC Bo'Bo'Bo'  • Commonwealth Bo-Bo-Bo Gauge 1,435 mm (4 ft 8+1⁄2 in) standard gauge Wheel diameter 1.250 m (49.21 in) Wheelbase 5.200 m (17 ft 3⁄4 in) between bogie pivots 3.150 m (124.02 in) between axles of each bogie Length 18.250 m (59 ft 10+1⁄2 in) Width 3.000 m (9 ft 10+1⁄8 in) Height 3.380 m (11 ft 1+1⁄8 in) Loco weight 101 short tons (90 long tons; 92 t) Electric system/s 3,000 V DC Catenary Current pickup(s) Pantograph Traction motors DC series Transmission 21/65, 20/65, 28/65 and 24/74 gear ratios
Performance figures Maximum speed 120 km/h (75 mph) Power output 2,100 kW (2,800 hp)
Career Operators FS Trenitalia Number in class 469 First run 1940 Disposition decommissioned in 2006

The FS E.636 is a class of Italian articulated electric locomotives. They were introduced in the course of the 1940s until the 1960s, and have been decommissioned since 2006. They have been one of the most numerous Italian locomotive groups, and have been widely employed during their long career, hauling every type of train, ranging from freight to long range passenger services. Their introduction also saw the employment of some revolutionary (for the time) design concepts, such as the articulated carbody and the three bogies scheme.