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DR Class E 251 DBAG Class 171
171 003 1993 in Blankenburg
Type and origin
Builder
LEW
Build date
1965
Total produced
15
Specifications
Configuration:
• UIC
Co′Co′
Gauge
1,435 mm (4 ft 8+1⁄2 in)
Length:
• Over beams
18,640 mm (61 ft 1.9 in)
Axle load
20.7 t (20.4 long tons; 22.8 short tons)
Service weight
124.0 t (122.0 long tons; 136.7 short tons)
Electric system/s
25 kV 50 Hz AC Catenary
Current pickup(s)
Pantograph
Traction motors
6
Transmission
Tatzlager Motor
Loco brake
Compressed-air brake electric brake
Train protection
Sifa
Performance figures
Maximum speed
80 km/h (50 mph)
Power output:
• 1 hour
6×610 kW (818 hp) = 3,660 kW (4,910 hp)
• Continuous
3,300 kW (4,400 hp)
Power index
29.5 kW/t
Tractive effort:
• Starting
373 kN (84,000 lbf)
Career
Numbers
DR E 251 001–015 DBAG 171 001–015
The East German electric locomotives of DR Class E 251(from 1970: 251, DBAG Class 171) were not standard engines either within the Deutsche Reichsbahn's or subsequently the Deutsche Bahn's fleet, due to the different specification of their electrical system. They were only used on the Blankenburg (Harz) – Königshütte (Rübeland Railway) line. Because this line had steep inclines, but connecting this isolated branch to the main traction network would have been very expensive, the Deutsche Reichsbahn electrified it in 1965 with a 25 kV 50 Hz system, which was different from the usual German catenary supply of 15 kV 16⅔ Hz. The 15 Co’Co’ engines were supplied by LEW and registered with the Reichsbahn as E 251 001 to 015.
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