Caterpillar 3306 powered generator injector pump leak

Fuel leaks out the throttle shaft so it appears to need a new seal. Does any one have diagram of this and part number for seal. Pic attached

Serial Number.? You wouldn’t believe how much easier it makes it to look up parts…..

Serial number & arrangement number would definitely help. Just looking at the 6N411 cover confirms a 3306. But, there are umpteen arrangements.

It looks like these number tough to make out. serial 49S00765 ARR 3R3635 07

Ah, an ex-military product. Allegedly corresponds to a 66D-prefix civilian machine. I've headed off down a number of rabbit holes with that information and come up with too many possibilities. Please can you post a couple of photos of the governor to narrow it down a bit. It's not a Woodward governor by any chance is it.?

Nige said: Please can you post a couple of photos of the governor to narrow it down a bit. Click to expand... Just spotted your photo above. Is the leak coming from the arrowed shaft.? Can you see any numbers on the parts adajcent to the shaft apart from the 6N411 Cover.?

Yes that's where it's leaking

I don't see any other part numbers on unit

mattyt1984 said: Yes that's where it's leaking Click to expand... In that case I have to agree with @heymccall regarding the 6N5355 being the most likely governor setup. The problem is that there is no information online at all for the 49S-prefix engine and using the 66D-prefix still only narrows it down to 29 possible options.......

Great thanks this looks like an easy fix as it appears seal just pops out.

mattyt1984 said: Great thanks this looks like an easy fix as it appears seal just pops out. Click to expand... I would suggest to check if there is any play in the bush supporting the shaft. Slop there can take out the seal and a new seal probably won't last long.

mattyt1984 said: Fuel leaks out the throttle shaft so it appears to need a new seal. Does any one have diagram of this and part number for seal. Pic attached Click to expand... Pur 2 seals in insted of 1 that is a cat fix other wise replace shaft (part of govenor