4w305 rebuild kit
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=132713
Printed Date: 02 May 2025 at 5:58am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 4w305 rebuild kit
Posted By: charlesbendal
Subject: 4w305 rebuild kit
Date Posted: 16 Dec 2016 at 1:28pm
| My 4w305 was burning coolant so I figured I had a bad head gasket which I did but when I took the head off I found one of the Pistons was pretty beat up so now I'm thinking a whole rebuild. My agco dealer is saying they cant order a complete kit and would have to order it by the piece which sounds pretty expensive. I tried google to find an alternative but didnt have any luck. Does anyone know where I could get a complete kit? |
Replies:
Posted By: Lonn
Date Posted: 16 Dec 2016 at 1:41pm
|
That a 6120T engine model right? Will a 6138 kit work? I'm not sure if the difference is in the crank or sleeve bore or both. If the difference in the crank then it won't work. MinnPar shows a kit for a 6138 and it shows "no longer available" for the 6129T kit. ------------- -- --- .... .- -- -- .- -.. / .-- .- ... / .- / -- ..- .-. -.. . .-. .. -. --. / -.-. .... .. .-.. -.. / .-. .- .--. .. ... - Wink I am a Russian Bot |
Posted By: CAL(KS)
Date Posted: 16 Dec 2016 at 1:53pm
|
Illini Construction Parts St. Charles IL 800 352 1723 http://www.illiniparts.com" rel="nofollow - http://www.illiniparts.com Schmidt & Sons a longtime Allis and Agco dealer in KS 800 281 2164 http://www.schmidtinc.com" rel="nofollow - http://www.schmidtinc.com part number for kit is 79015770
------------- Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20 Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15 |
Posted By: hillmonkey
Date Posted: 16 Dec 2016 at 2:18pm
|
http://www.sumeriximp.com/ Ivan Sumerix posts here alot and builds many 4W305s. |
Posted By: gl nelson
Date Posted: 16 Dec 2016 at 4:58pm
| Jensales 800-443-0625 |
Posted By: Kevin in WA
Date Posted: 16 Dec 2016 at 8:50pm
| I checked my Reliance catalog and they list an overhaul kit part # RP915143 |
Posted By: charlesbendal
Date Posted: 29 Dec 2016 at 6:51am
| I ordered one from jensales.com 2 days ago and they called a little later and said the kit is no longer available. I typed the reliance kit number into Google and the only result I got was this page does anyone else have any suggestions? |
Posted By: Lonn
Date Posted: 29 Dec 2016 at 7:19am
Yep, sell it to me real cheap.  Did you try calling MinnPar? 800-889-3382 You may just have to piece meal it using AGCO. ------------- -- --- .... .- -- -- .- -.. / .-- .- ... / .- / -- ..- .-. -.. . .-. .. -. --. / -.-. .... .. .-.. -.. / .-. .- .--. .. ... - Wink I am a Russian Bot |
Posted By: charlesbendal
Date Posted: 29 Dec 2016 at 7:33am
| Agco was $4500 with no pistons or rings their has to be a better alternative I'll give minnpar a call |
Posted By: Mike Kroupa
Date Posted: 29 Dec 2016 at 8:15am
| The 6120 uses a different piston than the 6138. The crankshaft is also different than a 6138. Other than those parts the bearings,gskts.,camshaft,etc. will interchange from model to model. I went through the same ordeal 20 years ago. Back then the only source for pistons was agco. I would consider making it a 6138 and then you would have an engine that would last. Good Luck, Mike |
Posted By: ILGLEANER
Date Posted: 29 Dec 2016 at 5:42pm
|
They are no longer avaliable anywhere as a whole kit , that I know of.
------------- Education doesn't make you smart, it makes you educated. |
Posted By: charlesbendal
Date Posted: 29 Dec 2016 at 7:56pm
| I called Ivan Sumerix and he said a couple years ago everyone quit making pistons and so he bought them all and now hes out. He has made a deal with someone to produce pistons but they have to reverse engineer them and it doesnt sound like he will have any for awhile. He offered to sell me a used piston and everything else for a rebuild but i would really like to have all new pistons. |
Posted By: hillmonkey
Date Posted: 29 Dec 2016 at 8:20pm
|
https://egge.com/ I have read the above link will make pistons for anything,not sure if its true or cost effective.Maybe you and Ivan and possibly some others can place a order it would be more likely to get a better price. If rings are still available through Agco or other vendor that would be a plus as well. |
Posted By: tbran
Date Posted: 29 Dec 2016 at 10:45pm
|
I might have an nos piston and sleeve - pm me and I will check the shelf..
------------- When told "it's not the money,it's the principle", remember, it's always the money.. |
Posted By: Mike Kroupa
Date Posted: 29 Dec 2016 at 10:57pm
| I think I have one good used piston also. When I first bought my 8550 I didn't have the bucks for all new pistons etc. so I patched it together with 6 good used ones, it ran hard for almost 2k hours, then I bought the AGCO kit and installed them. If the used piston skirts aren't scuffed or scored and the top ring groove isn't wore too much, I'd find six new sleeves and give it a try. Like all A-C engines the most wear will be in that top ring groove area, which lets compression leak by causing excessive blowby that can lead to scoring. The 6120T was an orphan engine from conception. If you want to make it bullet proof make it into a 6138T(844ci).I also have the CAT part number for the valve Roto-Coils if you get that far. Good Luck, Mike |
Posted By: charlesbendal
Date Posted: 01 Jan 2017 at 8:19am
| We ended up ordering a used piston as well as everything else to rebuild it from sumerix. Having pistons made was considered but I can't have it tying up shop space forever. I appreciate the suggestions everyone I followed up on all of them except having them made but didn't have any luck |
Posted By: Transaxial
Date Posted: 06 Jan 2017 at 9:35pm
My 8550 siezed up a rod bearing back in 1989 and broke the block and all. Way back then AC wanted $1400 a hole for sleeves and pistons, $6,000 for a reground crank and $6,000 for a used block. It would have been $20,000 for parts and then add on labor. I decided to do a repower with a 855 ci 350 hp small cam Cummins and it made a really good tractor out of it. The rebuilt Cummins I bought for $10,000 with no core and had to build my own bell housing with the help of a machine shop. It took me all winter including rebuilding the main transmission, power director, and drop box and lots of little things. The fuel savings alone more than paid the cost of the repower in 2 or 3 thousand hours. The rebuild has about 4,000 hrs on it now and still runs perfectly. I am retiring so looking at selling the tractor. Not sure what to suggest but the parts are all there to swap engines. Cummins rebuild kits are readily available for $1200-1500 for all six holes. The rest of these tractors was really well built so upgrading to an engine that will always have parts available is a good move. I am currently in the middle of painting the whole tractor but will post a couple of pics from last fall. Call me if interested in buying or repowering. 780 662 2614   
|
Posted By: GM Guy
Date Posted: 07 Jan 2017 at 4:22pm
|
Transaxial, put it on Big Iron or Auctiontime so we can all hash it out. :) Good looking tractor! ------------- Gleaner: the properly engineered and built combine. If you need parts for your Gleaner, we are parting out A's through L2's, so we may be able to help. |
Posted By: Transaxial
Date Posted: 08 Jan 2017 at 3:54pm
Probably a good idea, but with the trucking on a tractor this big, is there any point chasing a market so far away? |
GM Guy wrote: