504 blow by

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Atlantic Maritimer
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504 blow by

Postby Atlantic Maritimer » Wed Jun 06, 2012 7:43 pm

I'm looking at a farmall 504D which is in really good shape,runs well but it has bad blow-by. The owner has told me that it is going to need a set of ring, and maybe bearings. Anyone have any thoughts of what else might be causing the blow-by?

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Re: 504 blow by

Postby artc » Sat Jun 09, 2012 7:34 am

it sounds like it will need a motor overhaul. for purposes of buying it, assume it needs a sleeve and piston kit / valve work, bearings / crank turned / injectors cleaned / etc. easily $1,200 - $1,500 in parts. double that to include engine labor. assuming you remove the engine and take it to the shop. and then there's the clutch and TOB - when you get that deep in a tractor it's generally a bad move to not replace them. I'm also assuming the D188 engine in that tractor is a sleeved motor as i've not checked the book.

also, does the TA function correctly?
'If they're tappin', they're not burnin'

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Re: 504 blow by

Postby Eugene » Sat Jun 09, 2012 6:07 pm

2010 Valu-bilt catalog list the short block for the 504D at $3556.90 and a good core. Head lists for $781.81. Crank lists for $564.25.

Any way, sellers asking price for the tractor plus another $2000- in parts or $3000 to $4000- in in parts and labor.
I have an excuse. CRS.

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