| Electroputere LE 5100kW CFR 060-EA/EA1/EA2 (pre-1980)
 CFR Clasa 40/41/42 (post-1980)
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| CFR 400 236, spotting the historic livery, seen at Siculeni -Ciceu  railway station, getting ready to pull the "Székely Gyorsvonat" towards Ghimeș , 20 May 2018 | 
| | Type and origin | 
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 | Power type | Electric | 
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 | Builder | Swedloc AB (ASEA, NOHAB) Electroputere Craiova
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 | Build date | 1965-1966 ASEA 1967-1991 EP
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 | Total produced | Class 40-41: 1076 Class 42: 1
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| | Specifications | 
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 | Configuration: 
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 | • AAR | C-C | 
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 | • UIC | Co′Co′ | 
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 | Gauge | 1,435 mm (4 ft 8+1⁄2 in) | 
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 | Driver dia. | 1,250 mm (4.1 ft) | 
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 | Wheelbase | Rigid: 4,350 mm (14.27 ft) Overall: 10,300 mm (33.79 ft)
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 | Length | 19,800 mm (64.96 ft) | 
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 | Width | 3,000 mm (9.84 ft) | 
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 | Height | 4,500 mm (14.76 ft) | 
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 | Axle load | 20 t (44,092.45 lb) | 
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 | Loco weight | 120 t (264,554.7 pounds) | 
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 | Electric system/s | 19.5-27.5 kV 50 Hz AC Catenary | 
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 | Current pickup(s) | Overhead AC with symmetric/asymmetric dual pantographs | 
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 | Traction motors | 6× 850 kW (1,140 hp) | 
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| | Performance figures | 
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 | Maximum speed | 120 km/h (75 mph) Class 40 160 km/h (99 mph) Class 41
 200 km/h (120 mph) Class 42
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 | Power output | 5,100 kW (6,800 hp) | 
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 | Tractive effort | 412 kN (93,000 lbf) 392 kN (88,000 lbf)
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| | Career | 
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 | Operators | CFR, CFR Marfă, GFR, Servtrans, UNICOM, TFG, | 
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 | Locale | Romania, Hungary, Slovakia, Serbia, Croatia, Montenegro, North Macedonia, Bulgaria | 
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 | First run | 9 December 1965 | 
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The Electroputere LE 5100, otherwise known as CFR Class 40/41/42, is a family of electric locomotives (separated by 3 classes) built for the Romanian Railways (CFR) for use on the Romanian electrified network. Over 1000 Class 40s were constructed, based on the SJ Rb, by Electroputere (EP) under ASEA license in EPs Craiova Works from 1967 to 1991.
Entering service in 1965, the Class 40 also operated on private railroads after the repeal of CFRs monopoly on rail transport. The vast majority of all the engines are still in service, as of 2020, having become an icon for the Romanian Railways.