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Newag 311D
Polish State Railways ST40
Poland | 2007 | 47 produced
DB Cargo Polska 311D-16 in September 2015 in Konin
DB Cargo Polska 311D-16 in September 2015 in Konin
Jakub Murat (Muri)

The 311D is a modernized version of the Soviet diesel locomotive M62, offered by Newag in Poland. Most rebuilds are based on Polish ST44, but some also on the East German V 200. Only the frame remained unchanged and the bogies and traction motors were reused, but modernized. The engine is a more efficient 7FDL 12 from General Electric.

The body of the locomotives is totally new and resembles American road switchers with hoods and outside running boards instead of the old central gangway. PKP uses 27 of the subtype 311Da on the LHS line with Russian broad gauge. The standard gauge variant is only used by private operators, most of them by DB Cargo Polska.

General
Built2007-2018
ManufacturerNewag
Axle configC-C 
Gauge4 ft 8 1/2 in (Standard gauge), 4 ft 11 13/16 in (Russian broad gauge)
Dimensions and Weights
Length57 ft 6 15/16 in
Power
Power sourcediesel-electric
Top speed62 mph
EngineGE 7FDL 12 EFI
Engine typeV12 diesel
Fuel1,030 us gal (diesel)
Engine output2,860 hp (2,133 kW)
Power Plant
Boiler
Calculated Values
diesel locomotive
freight
last changed: 05/2024
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