AMC RULES 36,945 #1 Posted November 12, 2011 Sent my 520 to the shop earlier this summer to chase down an elusive leak from the rear end. So after having virtually everything gone through, rear axle seals, case gasket, lift cylinder rebuilt, new hoses, etc., I was informed today that the rear case has a invisible hair line crack along the bottom where the rear attach a matic mount contacts the axle tube. Anyone ever heard of this happening before, any ideas for an effective fix without replacing the rear case? Anyone parting out an early model 520, mines an '88 model, if it matters what year the rear comes from. I'm thinking I'm gonna need another rear case here? Share this post Link to post Share on other sites
AMC RULES 36,945 #2 Posted November 12, 2011 I'm wondering if there other models of tractors I could be looking for , besides 520's, that could serve as rear end housing donors for my tractor? :dunno: Share this post Link to post Share on other sites
dgoyette 12 #3 Posted November 12, 2011 The rear form the 416H that Redhorse is selling should be a direct fit. Share this post Link to post Share on other sites
zieg72 209 #4 Posted November 12, 2011 any ideas for an effective fix JB weld is some amazing stuff. If it were me I would grind down the crack to a light V and slather some JB weld in its place. My $.02 Share this post Link to post Share on other sites
Raider12 13 #5 Posted November 12, 2011 any ideas for an effective fix JB weld is some amazing stuff. If it were me I would grind down the crack to a light V and slather some JB weld in its place. My $.02 If it were mine I to would try the JB Weld. Nothing to loose to try? Denver Share this post Link to post Share on other sites
daveoman1966 3,612 #6 Posted November 12, 2011 I am in n/w PA at zip 16433 and I have both trans case sides from a 520H that had a bad engine. I also sold both axles but I do still have all of the other internal gears. I will sell LT and RT case sides (with seals) for $100 bux and all internal gears for another $100. $15 to ship gears via USPS flat rate. I can also ship the cast iron case sides but need a zip code to estimate ship cahrges. For pics....send email to me at: daveoman@windstream.net Share this post Link to post Share on other sites
AMC RULES 36,945 #7 Posted November 12, 2011 PM sent Dave. Share this post Link to post Share on other sites
baerpath 517 #8 Posted November 13, 2011 If you get up this way I have a complete case you can have from a 95 or 96 520. Duane Share this post Link to post Share on other sites
Operator 7 #9 Posted November 13, 2011 I'd go with Zieg72' thinking, JB Weld, clean it good though. Share this post Link to post Share on other sites
rwilson 128 #10 Posted December 9, 2011 Any trans case for a tractor with an Eaton HYdro will work. I put a case half and some guts from a 520 and a various 8 speed inside my C-175 trans. Share this post Link to post Share on other sites
grinchsr 599 #11 Posted December 9, 2011 I used JB WELD on a 396 Chevy motor with a 2 inch crack just under the head and it sealed it for 3 years and was still good when I changed the motor for something else. GOOD STUFF !!! Share this post Link to post Share on other sites
AMC RULES 36,945 #12 Posted December 9, 2011 I'd probably consider investing the time and effort into a crack in the case that you could actually see. This one doesn't even show up under a blacklight. It's a porosity issue in the case casting itself. I would still rather invest in another case, and another axle for the right side too, Bearing wear on my current axle, that a new seal didn't fix either. :eusa-doh: Share this post Link to post Share on other sites
baerpath 517 #13 Posted December 9, 2011 Case is still in the garage Duane Share this post Link to post Share on other sites
Sparky-(Admin) 19,566 #14 Posted December 9, 2011 I have a parted out GT1848 with a complete Eaton 1100 in it. PM or e-mail me for more details. Mike........ Share this post Link to post Share on other sites
