* TEF-20 auxiliary diesel tank

Posted on March 9th, 2012 by ploughmyfield. Filed under General.

Tonight using the auxiliary diesel tank fitted to my TEF-20 became one step closer to happening. This evening I have purchased an original solid steel pipe that connects the auxiliary diesel tank to the lift pump.

Engine Rebuild Finished

From the photo above you can see the ugly orange gas pipe that was fitted when I bought the tractor that takes fuel from the main tank straight to the lift pump bypassing the Auxiliary tank altogether. The Auxiliary tank is missing from the picture but it should sit behind the main tank. With the tank removed you can see the round hole in the supporting framework where the feed from the main tank enters the Auxiliary tank.

Not all TEF-20’s have a lift pump. The early model 1951-(late 1953/early 1954) did not. When going up hill or down hill the smaller auxiliary tank fed the injector pump much better. The feed out of the bottom of the tank is comes from someway up inside the tank. This space allows the bottom of the tank to collect water and sludge and keep it out of the filters and pump. I was lucky the auxiliary tank was fitted when I purchased the tractor. They are commanding a good price. The one on my tractor is pitted with holes that need filling before i can use it again. No doubt the focus of a future post.

Hi Tim.
speaking of auxiliary tanks, was going to braze the base to fix the multitude of holes.However, when I dropped the fuel filters and saw what they contained, I figured I couldn’ t put it back into service without doing something about the junk inside and so for better or……..
Now to put it back together.!
Jerry Galvin
And after all that searching I see I could have bought a pipe years ago as a new part is being sold by among others
SilverFox Tractor Spares LTD who also sell a reproduction Auxiliary tank Mind I don’t think I’d bother at those prices! might be cheaper to find a second hand one.

Still to find

I still have one piece of pipework to find to complete the system it is item 8 from the list below.

TED have you got one?

Fuel System Detail


The below shows the complete fuel system and is then from the ,20, parts list, Massey Ferguson Publication 819 167 M1  Fuel System All

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2 Responses to “TEF-20 auxiliary diesel tank”

  1. john winnett Says:

    Hi Tim, The part he is looking for item 8 i may have a spare,the drawing shows it straight when in fact it has a 90 degree bend it is then attached to the rubber as per picture.I will send you a seperate e-mail shortly on you visit.

  2. Andy Walls Says:

    Hi Jerry,
    Been looking through your website while I restore my TEF20 and the problems you have faced are just the ones I’m encountering!
    As regards the aux diesel tank can I ask what you did with yours, did you join it together, use a tank sealer or just got a new one? I’m cleaning mine just now and there’s some crap coming out, suspect it looks just like the inside of yours. Interested to hear what you’ve done and if it’s worked.

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