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Specifications
Specifications
Configuration:;
• UIC	Co-Co
Gauge	1,520 mm (4 ft 11+27⁄32 in) (PKP LHS); 1,435 mm (4 ft 8+1⁄2 in) (other operators)
Length	17.55 m
Width	2.95 m
Height	4.62 m
Engine type	GE 7FDL 12 EFI
Traction motors	GE ED 118A
Safety systems	SHP

Type and origin
Type and origin
Power type	Diesel
Builder	Newag
Model	311Da
Build date	2007-

PKP ST40/NeWag 311Da
PKP ST40/NeWag 311Da
	PCC Rail 311D-14 at KWK Janina
Power type
Type and origin
Power type	Diesel
Builder	Newag
Model	311Da
Build date	2007-
Configuration:;
Specifications
Configuration:;
• UIC	Co-Co
Gauge	1,520 mm (4 ft 11+27⁄32 in) (PKP LHS); 1,435 mm (4 ft 8+1⁄2 in) (other operators)
Length	17.55 m
Width	2.95 m
Height	4.62 m
Engine type	GE 7FDL 12 EFI
Traction motors	GE ED 118A
Safety systems	SHP
Maximum speed
Performance figures
Maximum speed	100 km/h
Power output	2,133 kW
Operators
Career
Operators	PKP LHS/KB/PCC Rail
Number in class	6 (PKP LHS); 5 (Kolej Bałtycka); 15 (DB Cargo Polska)
Nicknames	"Batman", "Darth Vader", "Robocop", "Transformer"
First run	2007
Disposition	in service

PKP Class ST40 is a new class of cargo diesel-electric locomotives used by the PKP LHS broad-gauge division and various Polish private operators, designated 311D (standard gauge) or 311Da (broad gauge) by its manufacturer, Newag. The class is a heavily reconstructed Soviet M62 (PKP ST44), using only the underframe. The body is new, the main engine is a General Electric GE 7FDL12. Original engines were also modernised, as ED118 A GE. The class is much more economical and modern than a basic M62. The body has external walkways instead of an internal passage connecting the cabs. The first locomotive was modernised in 2007. As of January 2009, there were 20 class 311D completed (15 for PCC Rail and five for the Baltic Railways) and six 311Da for PKP LHS, where they are designated ST40.

Specification

The locomotive is a modernisation of the popular Soviet locomotive M62 (ST44), which can be noticed by the chassis structure and carriages. The drive unit has been completely changed by installing a more efficient engine by the General Electric company which is placed in one place together with the main generator, compressor and fan. The most visible change is the complete change of the structure, the internal passageway between the cabins, having a driver's cab at each end and that the train has transitions outside with the jetties. By using the graft this has improved access to the engine.^{[clarification needed]} The front of the locomotive has been changed, giving a new look. The cabin has a new design and provides better working conditions.

Sources

Pokropiński, Bogdan (2009). Lokomotywy spalinowe produkcji polskiej. Warsaw: WKiL. ISBN 978-83-206-1731-3.

External links

"Spalinowa lokomotywa towarowa 311D", www.newag.pl (in Polish), Newag, archived from the original on 1 February 2008, Diesel freight locomotive 311D
"Lokomotywy serii ST40S / 311Da", lhs.pl (in Polish), Locomotives series ST40S / 311Da