Another thread question – Tractors

[Tony MartyrParticipant @tonymartyr14488]

[Tony MartyrParticipant @tonymartyr14488]

I have acquired a 1955 grey Ferguson tractor and need to modify part of the diesel fuel line by tapping a hole in the Kigass tank (a whole new story!). The fittings are the compression olive type and I thought the thread was 1/8"BSP , it is certainly the same size but a different tpi

Any ideas?

Tony

[JasonBModerator @jasonb]

1/8" NPT ? or the straight version which are 27tpi as opposed to 28tpi of BSP

[Tony MartyrParticipant @tonymartyr14488]

Of course! – it is certainly coarser than the BSP and I had forgotten about NPT threads.

Thanks

Tony

[Robin KingParticipant @robinking15611]

That sounds likely as NPT are used on fuel threads if I remember correctly. Incidentally, if you haven't already found it'd be worth logging onto the Grey Fergie Forum as it's a mine of useful info – helped me no end with my TED20

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