Sri Lanka Railways M3

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Sri Lanka Railways class M3
Sri Lanka Railways M3.jpeg
Sri lanka's First Manufactured Diesel electric locomotive.
Type and origin
Power type Diesel-electric
Builder Sri Lanka Railways
Build date 1956
Total produced 2
 • AAR Bo-Bo
Gauge 5 ft 6 in (1,676 mm)
Loco weight 47 tons[which?]
Fuel type Diesel
Prime mover English Electric 2 x Willans type H6
Engine type 6 cylinder 4 stroke diesel
Transmission Diesel-electric transmission
Loco brake Vacuum
Performance figures
Maximum speed 55 mph (89 km/h)
Power output 2 x 180 hp (130 kW)
Operators Ceylon Government Railway
» Sri Lanka Railways
Numbers 589 & 590
Official name Jayanthi
Locale Sri Lanka
First run 5 September 1956
Scrapped 2002[1]
Disposition scrapped

In 1955 the state owned Ceylon Government Railway, now the Sri Lanka Railways, manufactured Sri Lanka's "first" diesel-electric locomotive using old spares of withdrawn Class S1 DMU power sets. This locomotive was named as "Jayanthi" and classified Class M3 - 589. The locomotive was put to service on 5 September 1956. Two years later, in 1958, the then Ceylon Government Railway manufactured another locomotive and Classified it as Class M3 590.

The reconditioned Jayanthi was built at the Ratmalana Railway Workshop under the guidance of chief engineer, Mr. Raj Gopal. The locomotive made its maiden journey on 5 September 1956. The inauguration of the train was declared open by Maithreepala Senanayaka, Minister of Transportation, 1956 government. Currently, the locomotive is scrapped.[2]