Sri Lanka Railways W2

Specifications
Specifications
Configuration:;
• AAR	B-B
Gauge	1,676 mm (5 ft 6 in)
Length	13.7 m (44 ft 11+3⁄8 in)
Loco weight	65 t (64 long tons; 72 short tons)
Prime mover	Paxman - Ventura 16YJXL
RPM range	Max. 1500
Engine type	V16
Cylinders	16
Loco brake	Hydro-Dynamic braking
Train brakes	Vacuum

Type and origin
Type and origin
Power type	Diesel
Builder	LEW Hennigsdorf
Total produced	15

Sri Lanka Railways W2
Sri Lanka Railways W2
	Class W2 Locomotive
Power type
Type and origin
Power type	Diesel
Builder	LEW Hennigsdorf
Total produced	15
Configuration:;
Specifications
Configuration:;
• AAR	B-B
Gauge	1,676 mm (5 ft 6 in)
Length	13.7 m (44 ft 11+3⁄8 in)
Loco weight	65 t (64 long tons; 72 short tons)
Prime mover	Paxman - Ventura 16YJXL
RPM range	Max. 1500
Engine type	V16
Cylinders	16
Loco brake	Hydro-Dynamic braking
Train brakes	Vacuum
Maximum speed
Performance figures
Maximum speed	80 km/h (50 mph)
Power output	1,440 hp (1,070 kW)
Operators
Career
Operators	Sri Lanka Railways
Class	W2
Number in class	15
Locale	Sri Lanka
Delivered	1969-1972
Disposition	Inactive

The Sri Lanka Railways W2 is a class of diesel-hydraulic locomotives built by LEW Hennigsdorf for Sri Lanka Railways.

Description

Introduction

15 Class W2 locomotives were developed by LEW Hennigsdorf including a prototype according to the order placed by Sri Lanka Railways. 14 locomotives were delivered to Sri Lanka in 1969. Prototype locomotive was kept with the builder. Later by 1972, prototype locomotive also was delivered to Sri Lanka. First locomotive fleet were allocated the numbers 703 to 716. Last locomotive delivered was given the number 729.^[2]

Operation

The class were used for working passenger and freight services on the SLR Main Line.^[2]

Declination

By 80's with the introduction of new locomotives, W2s were taken out of passenger services and were used on freight services. These have been on regular services until 1985. By 90's Most of locomotives were condemned due to technical failures. Some were scrapped.^[2]

Class W2A

In 2015, SLR rebuilt W2 715. The new version has Paxman Valenta V12 prime mover. This is painted in a new livery. This locomotive is now in regular operations.^[3]

References

^ ^a ^b ^c "Class W2". Sri Lanka Railways Info Page. 19 September 2012. Retrieved 8 November 2013.
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j "෴W2 දුම්රිය එන්ජිම - උඩරට ධාවනයට සුවිශේෂී, ඩීසල් හයිඩ්‍රොලික් වර්ගයේ අධිබලැති එන්ජිම෴". ෴අඟුරු නොකා වතුර නොබී කොළඹ දුවන යකඩ යකා෴. 19 March 2011. Retrieved 8 November 2013.
^ "Class W2a 715. The Dawn of the Dead". 10 August 2015. Retrieved 8 October 2015.

[wordpress-1] "Class W2". Sri Lanka Railways Info Page. 19 September 2012. Retrieved 8 November 2013.

[locolanka-2] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j "෴W2 දුම්රිය එන්ජිම - උඩරට ධාවනයට සුවිශේෂී, ඩීසල් හයිඩ්‍රොලික් වර්ගයේ අධිබලැති එන්ජිම෴". ෴අඟුරු නොකා වතුර නොබී කොළඹ දුවන යකඩ යකා෴. 19 March 2011. Retrieved 8 November 2013.

[aruu-3] "Class W2a 715. The Dawn of the Dead". 10 August 2015. Retrieved 8 October 2015.

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