Farm Equipment - Which Mo-Co had the gearbox problems?

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Which Mo-Co had the gearbox problems?

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=11254
Printed Date: 24 Jan 2025 at 3:53am
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Topic: Which Mo-Co had the gearbox problems?

Posted By: Eldon (WA)
Subject: Which Mo-Co had the gearbox problems?
Date Posted: 19 Apr 2010 at 9:27am

There is one for sale locally, just wanted to know which model had the problems?

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Replies:

Posted By: BobHnwO
Date Posted: 19 Apr 2010 at 10:55am

I think it was 499,not sure.

Posted By: Chris/CT
Date Posted: 19 Apr 2010 at 1:16pm

390 MC could have wobble box problems IF; Sickle is not kept sharp, Mounting bolts are not kept tight, maybe other details I'm missing? I have a nice NOS Wobble box housing just ready for next "accident", Chris/CT

Posted By: AllisFreak MN
Date Posted: 19 Apr 2010 at 9:12pm

904's were known to have problems too.

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'49 A-C WD, '51 A-C WD, '63 A-C D17 Series III, 1968 A-C One-Seventy, '82 A-C 6060, '75 A-C 7040, A-C #3 sickle mower, 2 A-C 701 wagons, '78 Gleaner M2

Posted By: LloydCentWi
Date Posted: 19 Apr 2010 at 10:51pm

I think the later model had a little more reinforcing cast into the mounting locations on the box.< id="gwProxy" ="">< ="jsCall;" id="jsProxy" ="">