Info of Indian and Burmese YB Class steamers

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Z1NorthernProgress2110 Chief Commissioner

Location: Burnie, Tasmania

I believe these locos are something close to Tasmania's M class pacifics. Pic would be nice too. I want to know when they were built, what traffic the was used for, how many built and how many survive.

 
bingley hall Minister for Railways

Location: On a freight train to crazy town

I believe these locos are something close to Tasmania's M class pacifics. Pic would be nice too. I want to know when they were built, what traffic the was used for, how many built and how many survive.

- Z1NorthernProgress2110

Certainly not in looks.

photo comes from Steam Locomotives in India Part 2 - Metre Gauge

by Hugh Hughes and published by Continental Railway Circle in 1977

All YBs were on metre gauge. There are a handful (literally) still working in Burma, but none left at work in India or Bangladesh.

There were 140 built for India between 1927 and 1951 and it looks like 21 of these ended up in East Pakistan (later Bangladesh) after Partition.

A further 50 were built for Burma (Myanmar) in 1947.

Principal dimensions were:

Driving Wheel diameter - 57"

Cylinders  - 16" x 24"

Heating Surface - 1434 sq ft

Grate - 23 sq ft

Boiler pressure  - 180psi

Axle load - 10 tons

Weight (locomotive) - 52 tons

On the M class, cylinders and BP are the same, grate area is less and wheel daimeter is 55".

RSH did build a few YBs for the Indian Railways in 1950 and 1951.

Bing

 

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