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| PKP EN71 | |
|---|---|
 EN71-012 at Zakopane | |
| In service | 1976–present (Poland) 1965–1991 (Yugoslavia) 1991–2011 (Croatia) 1991–2021 (Slovenia) |
| Manufacturer | Pafawag |
| Built at | Pafawag |
| Family name | Pafawag 5Bg/6Bg |
| Constructed | 1965–1976 (serial production) 1981–1984 (conversions from EN57) |
| Entered service | 1965 |
| Refurbished | Serwis Pojazdów Szynowych ASO, SNiUT Gdynia Cisowa, ZNTK Mińsk Mazowiecki, Newag 2007–present |
| Formation | 4 cars per trainset ra+s+s+rb |
| Capacity | 252 / 264 / 288 seats |
| Operators | PKP, PR, KM, SKM, Yugoslav Railways, Hrvatske Željeznice, Slovenske železnice |
| Specifications | |
| Train length | 86,840 mm (284 ft 11 in) |
| Doors | 4 |
| Maximum speed | 110 km/h (70 mph) |
| Weight | 182 tonnes (179 long tons; 201 short tons) |
| Power output | Continuous: 1,160 kW (1,556 hp) |
| Transmission | LKf450 traction motors |
| HVAC | Electric heating |
| UIC classification | 2′2′+Bo′Bo′+Bo′Bo′+2′2′ |
| Braking system(s) | Oerlikon, Oerlikon + Electro-Pneumatic (modernizated units) |
| Safety system(s) | Radio-Stop, SHP, CA |
| Coupling system | Scharfenberg |
| Multiple working | EN57, ED72 |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) |
The EN71 (manufacturer's designation: Pafawag 5Bg/6Bg) is a four-carriage Polish EMU constructed for the Polish National Railways (PKP). It is based on the three-carriage EN57, but differs in that it has an additional motor carriage.