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Ford 9N, 2N & 8N Discussion Forum
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2N spark gear box fluid

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Obi-Wan

03-23-2004 17:10:14




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My grandparents have a 1943 2N that they've owned for most of its life (they've had it as long as my Dad, born in '45, can remember). It sees light duty grading the gravel lane, sometimes mowing the pasture, and plowing the lane (on the odd occasion that the tractor will start in the winter). I've got a number of questions, but I'll post them in separate messages to keep the topics separate.

While trying to fix a number of things on her, I checked the dipstick on the right side below the seat (for the differential fluid?) and noticed that a couple things:

A) The dipstick rattles around loose in the tube -- should there be a seal or something that keeps it secure and prevents debris from entering?

B) The dipstick was dry. Where do I add fluid to this gear box? I didn't see any obvious fill holes, other than putting a very small funnel through the dipstick tube. What kind of fluid should I be adding, and how much would it take if it were completely empty?

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and--bj/8n/mt

03-24-2004 06:07:18




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 Re: 2N spark gear box fluid in reply to Obi-Wan, 03-23-2004 17:10:14  
A) Factory three point dip stick has a cover that seals the top to keep out moisture. If the machine sets outside you will get enough water inflltration to emulsify the fluid even with a good shifter boot. New dip stick from Don b cost less than twenty bucks and if it saves a twenty five dollar fluid change one time you made money on the deal.

B) Lots of posts about what kind of fluid to use and how to change it. Only thing I would add is that I wouldn't add to fluid I knew nothing about but would drain it and start over.

Your mileaga may vary

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Obi-Wan

03-24-2004 08:21:59




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 Re: Re: 2N spark gear box fluid in reply to and--bj/8n/mt, 03-24-2004 06:07:18  
Who's Don B?



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Bruce (VA)

03-23-2004 17:30:33




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 Re: 2N spark gear box fluid in reply to Obi-Wan, 03-23-2004 17:10:14  
The dipstick will just rattle around. Nothing to keep it from doing so unless you put a couple of turns of electrical tape on it. As to the fluid, well, if it were my tractor, (which it's not!) I'd start by draining out the fluid & replacing it completly. The tractor has 3 drain plugs; one under the trans, one under the pump, and one under the rear end (that one is a pipe plug) Start under the rear end, and move forward. The only fluid you should use is 90w mineral oil, or Ford spec 134D fluid. Use one or the other, but don't mix the two. After you have drained it all out, remove the plug on the top of the transmission, just behind the gear shift; get a big funnel, and add about 4.5 gallons of fluid. Then, check the dipstick. As soon as you see fluid on the dip stick....4.5 to 4 3/4 gallons.....you have enough fluid in it. Five gallons is a bit too much and will leak over the seals into the brakes. Lastly, congrats on a living, working family heirlom! Make sure to check back here on the board for any further assistance.

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Obi-Wan

03-23-2004 17:41:10




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 Re: Re: 2N spark gear box fluid in reply to Bruce (VA), 03-23-2004 17:30:33  
Are the drain plugs all centered left/right, and easily distinguishable from other bolts? I don't want the thing to fall apart on me.

What/where is the pump?

Will 75W90 gear oil work (it's cheap & readily available), or must I track down some straight 90W?

Draining & starting over sounds like a good idea, as does the electrical tape to seal the dip stick.

This oil reservoir handles both the transmission and differential, correct? But not the engine, obviously. Are there any other oil reservoirs that I should be checking? The oil bath air filter is broken & being replaced with a K&N conical air filter

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Bruce (VA)

03-23-2004 17:54:10




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 Re: Re: Re: 2N spark gear box fluid in reply to Obi-Wan, 03-23-2004 17:41:10  
Drain plugs are centered on the bottom of the tractor, 1-2-3 in a row. The pump is above the second drain plug. The plug itself is in the pump base. Do not ever use 90w gear oil. This tractor has a common sump for the trans, hydraulic pump and the differential. The 90w gear oil will work fine in the trans & rear end.....and will cost you a $500 repair bill to buy a new pump! No other oil reserviors, but the tractor has plenty of grease fittings!

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Obi-Wan

03-23-2004 21:36:45




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 Re: Re: Re: Re: 2N spark gear box fluid in reply to Bruce (VA), 03-23-2004 17:54:10  
OK, so what's the difference between 90W gear oil and 90W mineral oil?



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souNdguy

03-24-2004 13:29:15




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 Re: Re: Re: Re: Re: 2N spark gear box fluid in reply to Obi-Wan, 03-23-2004 21:36:45  
Possible gl-5 ep modifiers that may attack yellow metals.

Someone posted a good spec sheet from penziol on this a few days ago.. aluded to the fact that gl-5 does indeed attack yellow metal. ( bushings in the system ).

90wt mineral oil gl-1 is easy to come by. TSC sells it, and marks it as for ford tractors 1939-1952... blue/black pail.
Napa has a 90wt gl-1.. so does wallmart in certain geographical areas.

If your rubber shifter boot is bad.. replace it. Email us back when you go to replace it.. we'll give you the tricks that work.. you will know what I mean if you try to replace it without asking..he he he

Filler is on the tranny cover..

Soundguy

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Obi-Wan

03-24-2004 18:45:16




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 Re: Re: Re: Re: Re: Re: 2N spark gear box fluid in reply to souNdguy, 03-24-2004 13:29:15  
Since we want to use this tractor during Nebraska winters, it's been suggested in several places that I should probably use Ford 134D oil in the gear box. The local auto parts store (the only one that's really convenient for us), has a 5-gal bucket of tractor oil that lists itself as being compatible with a bunch of different tractor oils, including Ford 134, 134A, 134B, and 134C. No mention of 134D. What is the difference between 134D and those others, and should this oil work for our '43 2N?

My shifter boot is shot -- it fell off today as I was looking at it. What's the trick? I'm assuming that I have to remove the shifter somehow.

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souNdguy

03-25-2004 06:06:51




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 Re: Re: Re: Re: Re: Re: Re: 2N spark gear box flui in reply to Obi-Wan, 03-24-2004 18:45:16  
Yes.. 134d is a fine ( but thinner ) substitute for the 90wt gl-1. And if your lift and seals are in good condition.. you will get better/faster cold weather performance out of it.

Do you have a wallmart nearby? They sell a universal transdraulic oil that does meet the 134d spec. So does car quest.. TSC, and anyone carrying fina products has a uni-tran oil that also meets those specs.

No.. don't have to remove the shifter.. but you do have to finagle with the bot a bit.

First of all.. on the boot.. think of it as a cylinder sleave.. 'interference fit'.. etc

2 prevailing methods have arisin. 1, is if you have a castration / tail docking tool ( calves / lambs.. etc ) that spreads those real tiny rubber bands... it has 4 tongs that you can use to spread the boot over the 'seat' on the shifter.

2nd and possibly easier for those without the tool, is to boil a pan of water.. take off the burner, and pop the rubber boot in. Walk out to the tractor that already has a cleaned up boot area... then fish the boot out of the water.. and slide it on.. should be pliable enough to go eash.. berhaps a bluntscrewdriver may halp.. etc.

Soundguy

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