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Prof

Cat D4D

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I have a friend who has just bought what he says is a D4D. He's trying to date it, can anybody help please.

 

Numbers on it show BC  D4 524

                                            6G 4941

                                            7J 2329

 

I tried posting pics but they've disappeared.

 

Edited by Prof
missed bits off

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Sorry , i don't think that is a D4D serial number . It is possibly a casting number . On the earlier D4s serial number is on a plate on the engine  and also on the top left hand side of the flat back area of the machine on a small plate . Number should be stamped in where the plate mounts , problem is , if the machine has rippers or winch fitted , serial number will be covered by them . Number should read D4D  then series 85A or 79J  this series number shows where it was built then there will be the actual serial number

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As far as I know the 7J D4 was built in the US between 1939 and 1943. The first D4D was not made until 1963 with a series number starting 78A. The D4D, series 88A,  was being built in Glasgow when I worked there in 1965.

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