D17 Exhaust manifold

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   I have a 59 D17 that needs a new exhaust manifold. What's the best one to get and the best place to get it. It is all original, paint and all as I got it from the prpporiginal owner years ago. I've been looking at manifolds in various places but don't see one like mine. The ones I see are either the one for wd, wd45 and early D17 with 3/8 studs and the bolt on muffler, or the one for the later D17's like series IV with the screw in muffler and the 7/16 studs. Well mine happens to have 7/16 studs and the bolt on muffler. Can I use the one for the early tractors by boring out the stud holes in the manifold or do I have to go with the later one and buy a screw in muffler? 

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Mrbill69 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 12 Jan 2011 Location: Coal City, IN Points: 38	Post Options Post Reply Quote Mrbill69 Report Post Thanks(0) Quote Reply Topic: D17 Exhaust manifold Posted: 07 Jan 2012 at 8:19am
	I have a 59 D17 that needs a new exhaust manifold. What's the best one to get and the best place to get it. It is all original, paint and all as I got it from the prpporiginal owner years ago. I've been looking at manifolds in various places but don't see one like mine. The ones I see are either the one for wd, wd45 and early D17 with 3/8 studs and the bolt on muffler, or the one for the later D17's like series IV with the screw in muffler and the 7/16 studs. Well mine happens to have 7/16 studs and the bolt on muffler. Can I use the one for the early tractors by boring out the stud holes in the manifold or do I have to go with the later one and buy a screw in muffler?

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Orange Blood Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 29 Nov 2010 Location: ColoradoSprings Points: 4053	Post Options Post Reply Quote Orange Blood Report Post Thanks(0) Quote Reply Posted: 07 Jan 2012 at 8:40am
	What you probably have is a late Series II, which I have one that is guaranteed to be original, it has a the smaller muffler and the screw in manifold. This is what you should buy. In all my research I think now days you will have to buy a threaded adapter, or many of them come with them. It may be possible that the original small diameter muffler simply fits inside the threads, I have not gotten to that yet on mine. The parts book doesn't show a threaded adapter, but makes reference to a pipe exhaust p/n 70234541 which I think is the adapter. The new threaded manifold was used effective with tractor S/N 320001 Edited by Orange Blood - 07 Jan 2012 at 8:41am
	Still in use: HD7 WC C CA WD 2-WD45 WD45LP WD45D D14 3-D17 D17LP 2-D19D D19LP 190XTD 190XTLP 720 D21 220 7020 7030 7040 7045 3-7060 Projects: 3-U UC 2-G 2-B 2-C CA 7-WC RC WDLP WF D14 D21 210 7045 N7

Norm Meinert Members Profile Send Private Message Find Members Posts Add to Buddy List Silver Level Joined: 31 Oct 2010 Location: Davis illinois Points: 470	Post Options Post Reply Quote Norm Meinert Report Post Thanks(0) Quote Reply Posted: 07 Jan 2012 at 9:14am
	I sell the manifold you need that is made in the USA. call 1-815-865-5372 www.normsactractors.com

JimD Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 11 Sep 2009 Location: Mounds, OK Points: 2116	Post Options Post Reply Quote JimD Report Post Thanks(0) Quote Reply Posted: 07 Jan 2012 at 10:23am
	We have the manifold also. I'll be happy to help with the stud size problem too. Our manifolds are also American Made. JimD
	Owner of OKtractor.com PM for an instant response on parts. Open M-F 9-6 Central. We have new and used parts. 877-378-6543

Mrbill69 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 12 Jan 2011 Location: Coal City, IN Points: 38	Post Options Post Reply Quote Mrbill69 Report Post Thanks(0) Quote Reply Posted: 07 Jan 2012 at 3:27pm
	Ok, I took it apart today. It has the bolt on muffler with no threads in the manifold but it has the 7/16 studs. I don't know about the series 1 or 2 stuff, but the serial no is 25xxx and it has the full flow oiling system. I'm going to replace 4 of the studs but only one is really bad. Thank God or someone for the 7/16 studs as they all turned without twisting off. So am I understanding right that a manifold is available that uses the 7/16 studs and don't use the screw in muffler?

norm[ind] Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 29 Oct 2010 Location: bourbon,ind Points: 2992	Post Options Post Reply Quote norm[ind] Report Post Thanks(0) Quote Reply Posted: 07 Jan 2012 at 7:47pm
	we carry the manifold you need with studs also if needed 1-800-254-3116 usa made

Fields Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 25 Apr 2011 Location: Reedsburg, Wi Points: 359	Post Options Post Reply Quote Fields Report Post Thanks(0) Quote Reply Posted: 07 Jan 2012 at 9:28pm
	I did this on my early d17. New made in the usa VINSON manifold for 17 IV or 170 allis, Threaded one. Use a 1 1/2 inch "BLACK" pipe hardware store. Cut it in half so the there is only threads on one end. clean up the cut so there is no Burr left. Use a CASE VAC stanly ca3 muffler it is the same dementions body as a wd45 or early 17 one and has a 1 15/16" inlet that slips over the threaded pipe. This muffler has a block off plate in it's middle. I used a hole saw and a couple of drill extensions to cut it out. The muffler still burned the paint off where it was at. Worked good for me.