Mr. 4040 ,
I have just checked in Gilbert , and the 6 and 8 ton rollers based on the 5 ton tractor had a 1'10" boiler . The Irish and the 7.1/4 ton tractor and the class A roller had 2' boilers , and the same cylinder sizes , as also the ' Colonist ' engine .. The Irish engine might well have had a bigger firebox than the tractor , I shall have a look and see what Gilbert says . All this is with my aforesaid proviso about Burrells being unable to build two the same .
PS. It appears that the first 7.1/4 ton tractor had a Class A roller boiler , the other two had a firebox shallower by one row of stays .
Last edited by weidner; 11th July 2009 at 10:18 AM..
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11th July 2009, 10:06 AM
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