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Where is the sight window for the Ford 120 differential?


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#1 Ford Chet OFFLINE  

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Posted September 09, 2015 - 09:37 AM

Where exactly is the Oil level sight window on the Ford 120 Hydraulic trans axle? 


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#2 Oldford OFFLINE  

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Posted September 09, 2015 - 10:56 AM

Under the seat is a round hole, in the hole is a 7/8" screw plug, you will need a socket to remove.

Fill level should be approx 1/2" below the hole, should be able to reach 1st or 2nd joint of a finger in there to check.


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#3 Oldford OFFLINE  

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Posted September 09, 2015 - 12:28 PM

Do you use Dexron III for this fluid?

Dexron 2/3 is compatible to original Type A which is nla.

If not sure what is in there good idea to replace fluid.

2 ways to remove

One is suction pump through fill hole, easiest way.

Other is remove seat pan, you will see the upper tank.  It has a plate on the back with 12-15 small bolts.

Remove plate and filter, clean out, put back together with some silicone on edge of plate.

Filter part# JAC545440 if you need to replace


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#4 Ford Chet OFFLINE  

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Posted September 09, 2015 - 01:35 PM

Dexron 2/3 is compatible to original Type A which is nla.

If not sure what is in there good idea to replace fluid.

2 ways to remove

One is suction pump through fill hole, easiest way.

Other is remove seat pan, you will see the upper tank.  It has a plate on the back with 12-15 small bolts.

Remove plate and filter, clean out, put back together with some silicone on edge of plate.

Filter part# JAC545440 if you need to replace

Thanks,  I actually have the pump and tank removed from the rear end.  Is the filter readily available?  Also,  My "Drive no Drive" valve is stuck in the drive location.  Is there a good way to free up this so that I can switch it to the "No Drive" location to move the tractor when not running?  I put some pressure on it and it is very tight (no movement at all)  I don't want to break something by trying to force it too much.


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#5 Ford Chet OFFLINE  

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Posted September 09, 2015 - 02:01 PM

Im looking for a set of 1970 Ford 120 chrome hub caps for a restoration project.



#6 Ford Chet OFFLINE  

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Posted September 09, 2015 - 02:03 PM

is there a oil sight window on the rear end of a Ford 120? 

 



#7 Oldford OFFLINE  

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Posted September 09, 2015 - 03:37 PM

Someone here ordered a filter in the last year or so from a local parts house or tractor dealer i believe.

Here is an online source, they are pricy http://www.partsprin...60/s/jac545440/

There is a set screw or a pin in the relief knob maybe you could pull the knob and get a better look

There shouldn't be a sight window on the rear end.  the diff has 2 plugs like an old truck rear end, drain and fill.

There is no drain plug on the trans itself that i know of

Post up some pics if you can, good luck

 



#8 Ford Chet OFFLINE  

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Posted September 09, 2015 - 04:31 PM

Someone here ordered a filter in the last year or so from a local parts house or tractor dealer i believe.

Here is an online source, they are pricy http://www.partsprin...60/s/jac545440/

There is a set screw or a pin in the relief knob maybe you could pull the knob and get a better look

There shouldn't be a sight window on the rear end.  the diff has 2 plugs like an old truck rear end, drain and fill.

There is no drain plug on the trans itself that i know of

Post up some pics if you can, good luck

Thanks,  I just contacted them and they cannot no longer get the filter.  Oh well,  Somebody will have one!






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