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Harry Ferguson Tractors Discussion Forum
:

no oil filter

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david grasmick

02-09-2007 16:35:20




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The cyl blk no. on the engine is 1750339M91
The serial no. is 1783

The cast no. on the block is Z129A600N

The serial no. above the steering wheel is TO 16627

There appears to be a port for an external oil filter which is covered by a plate. Does this info determine what engine and what tractor this is?




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Jerry/MT

02-11-2007 13:11:48




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 Re: no oil filter in reply to david grasmick, 02-09-2007 16:35:20  
There's a Z129 oil filter assembly on ebay!



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Chuck NH

02-10-2007 18:18:44




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 Re: no oil filter in reply to david grasmick, 02-09-2007 16:35:20  
I purchased a 1949 TE-20 last summer that didn't have an oil filter. The engine is a Z120, but has no filter access cover in the oil pan and the drain plug is to the rear. Engine is painted red like it has been replaced, but still has the Lucas starter, distributer, and D/R generator. Engine runs good, but oil pressure is low at idle speed. Will pull the pan down when temperatures get warmer.



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mike a. tenn.

02-09-2007 17:46:18




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 Re: no oil filter in reply to david grasmick, 02-09-2007 16:35:20  
the serial number (dash) would suggest it's a 1950 model to-20, but the z-129 engine could mean it was a factory replacement engine, or someone has replaced the original z-120 with a z-129. did you happen to look at the bottom of the oil pan to see if there is about a six inch plate with a bolt in the middle of it? this is the internal oil filter access hole.

-mike



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david grasmick

02-09-2007 21:29:46




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 Re: no oil filter in reply to mike a. tenn., 02-09-2007 17:46:18  
There is no access plate in the oil pan. I tok off the pan and there was no internal oil filter. As there was no external I thought there might be an internal but not. I would like to find out where I need to go from here if possible. Thankss for your help.



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mike a. tenn.

02-10-2007 01:26:05




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 Re: no oil filter in reply to david grasmick, 02-09-2007 21:29:46  
david...the z-129 engines from the to-30 did have an external oil filter, unless they were cast as replacement engines for the to-20. it would have been on the right side, toward the lower rear part of the block. is this where the "plate" you described is?

-mike



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david grasmick

02-10-2007 12:33:36




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 Re: no oil filter in reply to mike a. tenn., 02-10-2007 01:26:05  
Mike, the plate is on the right rear part of the block. Do you believe this tractor to be a TO 20 with a Z129? Would you know where an external filter set-up could be purchased? The sump setup I found when taking off the oil pan is about 4 inches round with a screen on the bottom and a hose from the oil pump(?) connects to it. I assume it is some sort of screening not filtering process. Any info or suggestions is greatly appreciated. Thanks, David

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mike a. tenn.

02-10-2007 15:06:03




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 Re: no oil filter in reply to david grasmick, 02-10-2007 12:33:36  
david...yes it looks like you have a 1950 TO-20 that has had it's engine replaced with a z-129 engine either off a TO-30 or it was one of the replacement engines cast for the TO-20 from the z-129 cast.

i screwed this up the last time i tried to tell someone this, so i hope i have it right this time. the factory replacement engines were cast from the z-129, but were not tapped and bored for the external filter. they still had the internal filter like the z-120 blocks. so you need to do what jerry said and pull that plate and see if your block is bored to accept the filter housing for the external filter. if it is, you'll need the housing, and i'm sure one of the guys on here can direct you toward where to look for one. if it isn't bored thru the block you'll probably have to find the parts for an internal filter unless you do what jerry also said,,,run without one. from what i've heard and read the filter systems in these tractors wasn't all that good to start with because they only filter part of the oil in the engine anyway. so, as jerry said, regular oil changes might be just as effective.

i have a to-20 and haven't dealt with finding to-30 parts. i hope you find what you need.

-mike

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Jerry/MT

02-10-2007 13:59:14




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 Re: no oil filter in reply to david grasmick, 02-10-2007 12:33:36  
Pull the plate on the right hand side and see if it's drilled for an external filter. The back of the plate or the gasket should be wet with oil. (The original Z120's had a drilled passage that metered oil to the internal filter.) The oil pickup should have a metal tube going to the oil pump, not a hose. From the sounds of it you have a Z 129. You'll have to hit the tractor salvage yards or ebay for a TO-30 oil filter assembly(part no.181 722 M1) Or, IF you can find the oil filter base (part no.181 726 M1), you can get an adapter and put a spin on filter on it.
These filters are partial flow filters, unlike what modern vehicles and tractors use, so having a filter is not an absolute necessity IF one changes the oil regularly. What did the inside of your pan look like? Was there lots of sludge? If not whoever had it used it regularly and probably changed the oil regularly.
Hope this helps you.

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david grasmick

02-10-2007 15:22:14




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 Re: no oil filter in reply to Jerry/MT, 02-10-2007 13:59:14  
Mike and Jerry, Thanks so much for your help. I'm pretty sure the engine is prepped for an external filter, however hearing that they really arn't that effective I may just put it back the way it was. There was a lot of sludge in the sump assembly which appears to draw the oil from the bottom of the pan, however I cleaned it out really good and I'm sure it will go another 50. When ordering parts for the engine should I refer to a TO 30? I do need a valve kit and a wiring harness.

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Jerry/MT

02-11-2007 12:13:32




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 Re: no oil filter in reply to david grasmick, 02-10-2007 15:22:14  
If the data plate(on the left side of the block near the middle near the split line of the head and the block)says it's a Z129(and it sure sounds like it is) thna you'll need to order engine parts for a TO-30. The generator bracket on the TO-30 and the T0-20 are different as is the governor arm. Wiring I would think would be TO-20 since the Z129 was a change from OEM.



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david grasmick

02-10-2007 15:29:59




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 Re: no oil filter in reply to david grasmick, 02-10-2007 15:22:14  
I was reading some other forums and someone talked about a strainer assmbly in the oil pan, so I believe this is the sump I was talking about



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