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Italian Electric Locomotives[Inhalt]
Rete Adriatica class 34
Italian State Railway E.430
Italy | 1901 | 2 produced
Photo of the 342 from the year 1903
Photo of the 342 from the year 1903
The Street railway journal

After the electrification of the Valtellina Railway or Ferrovia della Valtellina, the class 34 of the Rete Adriatica was not only the first electric locomotive to be used there, but also the first in the world to be operated with three-phase alternating current. The locomotives were ordered from Ganz in Budapest, which at the beginning of the century was considered the world leader in the field of electric traction and also supplied the line equipment. Two pieces were made, which were given the numbers 341 and 342. The locomotives each consisted of two halves, which together formed a large, generously glazed driver's cab.

The three-phase alternating current was transmitted via the two-pole catenary and the rails and its frequency dictated a given driving speed. The four traction motors were each connected directly to an axle without a gearbox, and the wheel diameter of 4 ft 7 in was chosen so large that the line speed of 36 km/h was sufficient for freight trains. This meant that after the start-up phase, the locomotives stabilized at a maximum of 22 mph, regardless of the loading. The locomotives were taken over by the FS in 1905 and were renamed class E.430 in 1914. They pulled freight trains on the Valtellina Railway until 1928 and were then relocated to Bolzano and Franzensfeste in South Tyrol to be used as shunting locomotives for assembling trains over the Brenner Pass. The 341 or E.430.001 is now located in the Technical Museum “Leonardo da Vinci” in Milan.

General
Built1901
Manufacturermechanical part: MÁVAG, electrical part: Ganz
Axle configB-B 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length33 ft 9 3/4 in
Wheelbase21 ft 9 in
Fixed wheelbase3 ft 3 3/8 in
Service weight105,822 lbs
Adhesive weight105,822 lbs
Axle load26,455 lbs
Power
Power sourceelectric - three-phase
Electric system3.000 V 15,6 Hz
Top speed22 mph
Power Plant
Boiler
Calculated Values
electric locomotive
freight
last changed: 03/2022
Rete Adriatica class 36
Italy | 1905 | 3 produced
RA 362
RA 362
„Electric railway engineering” von H.F. Parshall und H.M. Hobart, 1907

As the second series of electric locomotives on the Ferrovia della Valtellina, the three engines with the numbers 361, 362 and 363 were used. They did not have single axle drive, instead there were three coupled axles and two carrying axles. In order to master the many curves on the route, the outer coupled axle was connected to the adjacent carrying axle to form a steering bogie and the middle axle could be moved sideways. Two motors, each with 600 hp, which were mounted low in the main frame and drove the middle axle, provided the power. Two speeds of 34 and 68 km/h could be realized via a cascade circuit, which controlled the activation of the two motors with different numbers of poles.

As early as 1906, when the locomotives had not been in use for long, they were rented by the Swiss electrical company BBC. This required three more locomotives, as the operation in the newly built and electrified Simplon Tunnel required the use of five locomotives, which BBC could not yet provide. The locomotives were listed there by the SBB as Fb 3/5 and had no problem with the local frequency of 16 instead of 15.6 Hertz, also with a voltage of 3,000 volts. Only the pantographs with roller contacts were replaced with BBC pantographs. The three locomotives were returned to the FS in 1908 and remained in service there as the E.360 until the 1960s.

General
Built1905
Manufacturermechanical part: MÁVAG, electrical part: Ganz
Axle config1-C-1 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length37 ft 10 5/16 in
Wheelbase31 ft 2 in
Fixed wheelbase15 ft 5 1/16 in
Service weight136,686 lbs
Adhesive weight92,594 lbs
Axle load30,865 lbs
Power
Power sourceelectric - three-phase
Electric system3.000 V 15,6 Hz, 3,000 V 16 Hz
Continuous power1,180 hp (880 kW)
Top speed42 mph
Power Plant
Boiler
Calculated Values
electric locomotive
freight
last changed: 04/2022
Italian State Railway E.550
Italy | 1908 | 186 produced
E.550.025 in August 1970 at the National Museum of Transportation in St. Louis
E.550.025 in August 1970 at the National Museum of Transportation in St. Louis
Hugh Llewelyn
General
Built1908-1921
ManufacturerSocietà Italiana Westinghouse
Axle configE
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length31 ft 2 13/16 in
Wheelbase20 ft 0 15/16 in
Fixed wheelbase12 ft 7 3/16 in
Service weight138,891 lbs
Adhesive weight138,891 lbs
Axle load27,778 lbs
Power
Power sourceelectric - three-phase
Electric system3.600 V 16⅔ Hz
Continuous power2,012 hp (1,500 kW)
Top speed31 mph
Power Plant
Boiler
Calculated Values
electric locomotive
freight
last changed: 09 2023
Italian State Railway E.321 (1921)
Italy | 1921 | 17 produced
E.321.012 at the Museum of Science and Technology in Milan
E.321.012 at the Museum of Science and Technology in Milan
Museo della Scienza e della Tecnologia „Leonardo da Vinci”
General
Built1921-1923
Manufacturermechanical part: Officine Meccaniche, electrical part: TIBB
Axle config1-C-1 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length41 ft 10 3/4 in
Wheelbase32 ft 9 11/16 in
Service weight152,119 lbs
Adhesive weight105,822 lbs
Axle load35,274 lbs
Power
Power sourceelectric - DC
Electric system650 V
Hourly power1,944 hp (1,450 kW)
Continuous power1,569 hp (1,170 kW)
Top speed59 mph
Power Plant
Boiler
Calculated Values
electric locomotive
passenger
third rail
last changed: 10 2023
Italian State Railway E.421
Italy | 1921 | only one produced
Works photo of the E.421
Works photo of the E.421
TIBB

The E.421 was a battery operated shunter built in 1921 and used at Milan Central Station. The locomotive was built by Carminati & Toselli with electrical equipment by Tecnomasio Italiano Brown Boveri. It stood on two bogies, each with two traction motors, and had a cab in the middle. The batteries came from the Società Generale Italiana Accumulatori, were housed in two long hoods and weighed a total of 30 tonnes. They supplied the traction motors with a voltage of 450 volts.

With this equipment, the E.421 reached a top speed of 25 km/h, which made it virtually impossible to use it outside the station. Despite a continuous output of just 140 kW, the locomotive had to be charged after about an hour of shunting, which severely restricted the possible uses. For these reasons and because of the relatively complex maintenance, there was only one locomotive built. This was retired after only two years and there were initially plans to convert it for the 650 volt DC network with conductor rails of the Varese railway. After these plans were not implemented, the locomotive was scrapped in 1935 and it remained the only battery locomotive of the Italian State Railways.

General
Built1921
Manufacturermechanical part: Carminati & Toselli, electrical part: TIBB
Axle configB-B 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length37 ft 1 7/8 in
Wheelbase31 ft 4 9/16 in
Fixed wheelbase9 ft 2 1/4 in
Service weight141,096 lbs
Adhesive weight141,096 lbs
Axle load35,274 lbs
Power
Power sourceelectric - battery
Hourly power244 hp (182 kW)
Continuous power188 hp (140 kW)
Top speed16 mph
Power Plant
Boiler
Calculated Values
electric locomotive
switcher
battery
last changed: 06/2023
Italian State Railway E.551
Italy | 1921 | 183 produced
E.551.001 at the National Railway Museum in Pietrarsa
E.551.001 at the National Railway Museum in Pietrarsa
Sandro Baldi
General
Built1921-1925
Manufacturerdiverse
Axle configE 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length36 ft 1 7/16 in
Wheelbase20 ft 11 3/16 in
Fixed wheelbase13 ft 5 7/16 in
Service weight165,346 lbs
Adhesive weight165,346 lbs
Axle load33,069 lbs
Power
Power sourceelectric - three-phase
Electric system3.600 V 16⅔ Hz
Hourly power2,682 hp (2,000 kW)
Top speed31 mph
Power Plant
Boiler
Calculated Values
electric locomotive
freight
last changed: 10 2023
Italian State Railway E.333
Italy | 1922 | 40 produced
E.333.004 in 1950 in Acqui Terme
E.333.004 in 1950 in Acqui Terme
Elio Cossetta
General
Built1922-1924
ManufacturerNicola Romeo, Officine Meccaniche
Axle config1-C-1 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length38 ft 0 11/16 in
Wheelbase29 ft 6 5/16 in
Fixed wheelbase13 ft 9 3/8 in
Service weight160,937 lbs
Adhesive weight112,436 lbs
Axle load37,479 lbs
Power
Power sourceelectric - three-phase
Electric system3.600 V 16⅔ Hz
Hourly power2,146 hp (1,600 kW)
Top speed47 mph
Starting effort39,566 lbf
Power Plant
Boiler
Calculated Values
electric locomotive
passenger
last changed: 10 2023
Italian State Railway E.431
Italy | 1922 | 37 produced
E.431.037 in 1995 in the Swiss Museum of Transport
E.431.037 in 1995 in the Swiss Museum of Transport
Sandro Baldi
General
Built1922-1924
ManufacturerTIBB, Ansaldo
Axle config1-D-1 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length47 ft 7 1/4 in
Wheelbase38 ft 1 1/16 in
Service weight200,620 lbs
Adhesive weight143,300 lbs
Axle load35,825 lbs
Power
Power sourceelectric - three-phase
Electric system3.600 V 16⅔ Hz
Hourly power2,682 hp (2,000 kW)
Top speed62 mph
Power Plant
Boiler
Calculated Values
electric locomotive
passenger
last changed: 08 2023
Italian State Railway E.626
Italy | 1927 | 448 produced
E.626.294 on display at La Spezia
E.626.294 on display at La Spezia
Ale316
Variantprototypeproduction
General
Built19271927-1939
ManufacturerAnsaldo, FIAT, Marelli, Officine Meccaniche, TIBB
Axle configB-B-B 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length49 ft 0 9/16 in
Wheelbase37 ft 10 3/4 in
Fixed wheelbase8 ft 0 7/16 in
Service weight208,337 lbs
Adhesive weight208,337 lbs
Axle load34,833 lbs
Power
Power sourceelectric - DC
Electric system3,000 V
Continuous power1,810 hp (1,350 kW)2,481 hp (1,850 kW)
Top speed59 mph
Starting effort39,342 lbf
Power Plant
Boiler
Calculated Values
electric locomotive
passenger
freight
last changed: 09 2023
Italian State Railway E.432
Italy | 1928 | 40 produced
E.432.011 in the National Railway Museum in Pietrarsa
E.432.011 in the National Railway Museum in Pietrarsa
Sandro Baldi
General
Built1928
ManufacturerBreda
Axle config1-D-1 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length45 ft 7 5/8 in
Wheelbase35 ft 1 5/8 in
Fixed wheelbase19 ft 4 11/16 in
Service weight207,234 lbs
Adhesive weight156,528 lbs
Axle load39,132 lbs
Power
Power sourceelectric - three-phase
Electric system3.600 V 16⅔ Hz
Continuous power2,950 hp (2,200 kW)
Top speed62 mph
Starting effort31,473 lbf
Power Plant
Boiler
Calculated Values
electric locomotive
passenger
last changed: 09 2023
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