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Amos 
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Joined: 11 Sep 2009
Location: Ontario
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 Topic: 210 Connecting Rod Bolts
Posted: 18 Dec 2017 at 1:23pm |
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I am inframng a 210 right now. I did this one some years ago and unfortunately it had a bad incident. I have always replaced the connecting rod bolts on the 426 cu in engines. When I just priced them from my AGCO dealer I was quoted $623 for the 12 of them. Seems to me that is ridiculous price. Does any one have the ARP number for them? Or know a dealer that will sell them for a reasonable price??
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injpumpEd
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Joined: 13 Sep 2009
Location: Walnut IL
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Posted: 18 Dec 2017 at 3:18pm |
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last I priced they were around 30 for a pair for one rod. Agco could have nearly quadrupled the price, but something doesn't sound right. I can check with my agco buddy!
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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CALEBnOK
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Joined: 12 Nov 2011
Location: Oklahoma
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Posted: 18 Dec 2017 at 3:29pm |
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You can't buy the exact same bolt from arp. Under contract with agco. You will be fine with the standard arp 8740 bolts. They are 170,000 psi clamping force at like 60 ft lbs and like 200,000 at 80ft lbs. I think you go like 85 ftlbs on the agco bolts.
If you have one to pattern off of you can have arp custom build them but dont tell them what they are for (426 allis)
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Amos
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Joined: 11 Sep 2009
Location: Ontario
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Posted: 18 Dec 2017 at 4:10pm |
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I would appreciate you looking into it for me Ed. Thanks in advance.
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injpumpEd
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Posted: 18 Dec 2017 at 6:35pm |
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remember the part number, so I don't have to look it up?
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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Dswall
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Joined: 11 Jan 2014
Location: Lindsay ca
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Posted: 18 Dec 2017 at 6:57pm |
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I can post arp part number tomorrow if someone doesn’t beat me to it. Think they are $65 a set with washers
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Dustin in CA
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injpumpEd
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Posted: 19 Dec 2017 at 7:31am |
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agco number is 70277489, and come in pairs for one rod, and include the bulletin. I'll find out current price. I see the op is in Canada, so that may affect the price.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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Amos
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Posted: 19 Dec 2017 at 8:20am |
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Yes that is the correct part number. I can't imagine there being that much difference between your price and ours here. They want 4618.65 for the overhaul kit, and they are on back order, lol. aftermarket for sure is where I will get the overhaul kit from, most likely in your country as well. A hour drive gets me into Michigan from my house, saves a lot on some parts, not on some others.
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DrAllis
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Joined: 12 Sep 2009
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Posted: 19 Dec 2017 at 8:20am |
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should be less than $30 per pair of bolts......$180 per engine.
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Amos
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Posted: 19 Dec 2017 at 8:24am |
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More than a few times I have seen AGCO prices do this n some things in Canada. Sometimes they correct it sometimes they don't. I have learned to always shop around with them. I have also bought many John Deere parts for much less in The Unite States than in Canada.
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injpumpEd
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Posted: 19 Dec 2017 at 8:53am |
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my buddy just got back to me, AGCO list is $36/pair, but sold in sets of 6 pair, so $216 for a set for one engine. My buddy is also a howards/reliance dealer.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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Amos
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Posted: 19 Dec 2017 at 9:18am |
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ARP number Bolt AR403-1 requires a washer as well 200-8502
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Calvin Schmidt
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Posted: 19 Dec 2017 at 8:11pm |
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The last rod bolts that I bought from Agco for a 426 engine were stamped ARP. If I remember correctly, Big Bock Chevys were very close to the same.
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Nothing is impossible if it is properly financed
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Dswall
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Posted: 20 Dec 2017 at 9:39am |
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AR403-1 is the bolt $6.27
W401-1-2 is the washer $.98
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Dustin in CA
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Acdiesel
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Posted: 20 Dec 2017 at 11:12am |
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D19 Diesel,D17 Diesel SER.3
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Gmc,caterpillar
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SteveM C/IL
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Posted: 20 Dec 2017 at 5:49pm |
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when my mechanic talked to ARP about my new bolts,the guy on the other end had no info and no listing for AC 426 rod bolts. They do have ARP stamped in them.This was in 09.
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Bruce(IA)
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Posted: 20 Dec 2017 at 9:05pm |
Instructions for Kit # 70277489 These are for the ARP Bolts
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LB0442
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Posted: 21 Dec 2017 at 2:03am |
A while ago I replaced the rod bearings in a 426, no noise just preventative measure. I used the agco bolts and federal mogul bearings. Like the instructions say you have to turn the rod/piston 180 degrees. 3 of them were pretty easy, 2 took a little work, but 1 was a bear to get turned. It seemed to hit on everything before it would go all the way around. Made a couple of long rods with welded ends on to push the piston/rod up and really helped pulling it back down. I put clear vinyl tubing on them to keep from scratching the crank. Still going strong.
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CALEBnOK
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Posted: 21 Dec 2017 at 12:19pm |
 Acdiesel wrote:
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These bolts will work strength wise but the true "rod bolts" have a stepped shoulder and most of the bolt is smaller diameter than 7/16". It steps back out at the threads. This will affect rod weight balancing. It might vibrate alittle more but would probably run fine.
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Lonn
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Posted: 22 Dec 2017 at 6:41am |
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How would those bolts affect rod balance?
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Gerald J.
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Posted: 22 Dec 2017 at 9:50am |
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The rod bolts along with the big end of the connecting rods and the crankshaft rod section is way off center of the axis of the crankshaft spinning and so make it unbalanced. Speedy cranks often have counter balance fixed weights to counter the off center weight of the crank and rod parts, but its not adjustable to account for heavier or lighter connecting rod bolts. Slow speed tractor engines often don't have individual cylinder counter weights on the crankshaft.
Gerald J.
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