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

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Sri Lanka Railways W2
Class W2 Locomotive
Type and origin Power type Diesel Builder LEW Hennigsdorf Total produced 15 [1]
Specifications Configuration: ​  • AAR B-B[2] Gauge 1,676 mm (5 ft 6 in) Length 13.7 m (44 ft 11+3⁄8 in) [2] Loco weight 65 t (64 long tons; 72 short tons)[1] Prime mover Paxman - Ventura 16YJXL[2] RPM range Max. 1500[2] Engine type V16[2] Cylinders 16[2] Loco brake Hydro-Dynamic braking[1] Train brakes Vacuum
Performance figures Maximum speed 80 km/h (50 mph) Power output 1,440 hp (1,070 kW)
Career Operators Sri Lanka Railways Class W2 Number in class 15 Locale Sri Lanka Delivered 1969-1972[2] Disposition Inactive

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]

See also

• Diesel locomotives of Sri Lanka
• Sri Lanka Railways W3

References

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