Sri Lanka Railways W2

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

Sri Lanka Railways W2
Class W2 Locomotive
Type and origin
Power typeDiesel
BuilderLEW Hennigsdorf
Total produced15 [1]
Specifications
Configuration:
​
 • AARB-B[2]
Gauge1,676 mm (5 ft 6 in)
Length13.7 m (44 ft 11 3⁄8 in) [2]
Loco weight65 t (64 long tons; 72 short tons)[1]
Prime moverPaxman - Ventura 16YJXL[2]
RPM rangeMax. 1500[2]
Engine typeV16[2]
Cylinders16[2]
Loco brakeHydro-Dynamic braking[1]
Train brakesVacuum
Performance figures
Maximum speed80 km/h (50 mph)
Power output1,440 hp (1,070 kW)
Career
OperatorsSri Lanka Railways
ClassW2
Number in class15
LocaleSri Lanka
Delivered1969-1972[2]
DispositionInactive

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]

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See also
  • Diesel locomotives of Sri Lanka
  • Sri Lanka Railways W3

References
  1. "Class W2". Sri Lanka Railways Info Page. Retrieved 8 November 2013.
  2. "෴W2 දුම්රිය එන්ජිම - උඩරට ධාවනයට සුවිශේෂී, ඩීසල් හයිඩ්‍රොලික් වර්ගයේ අධිබලැති එන්ජිම෴". ෴අඟුරු නොකා වතුර නොබී කොළඹ දුවන යකඩ යකා෴. Retrieved 8 November 2013.
  3. "Class W2a 715. The Dawn of the Dead". Retrieved 8 October 2015.
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