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200

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=160291
Printed Date: 24 Jul 2025 at 7:53pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: 200
Posted By: otis3
Subject: 200
Date Posted: 22 Apr 2019 at 6:40pm
how do i refill bullgear housing on a 200?i forgot



Replies:
Posted By: joe
Date Posted: 22 Apr 2019 at 6:45pm
Don't you just refill the rearend? There's just two transmission compartments on that tractor. 


Posted By: otis3
Date Posted: 22 Apr 2019 at 6:50pm
dont think so.think they are individual compartments.



Posted By: Hurst
Date Posted: 22 Apr 2019 at 7:24pm
Fill/level plug on each side of the rear end housing kind of behind the lower link arms. If the drain plug is 6 o'clock, the level plug is around 3:30.

Hurst

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1979 Allis Chalmers 7000
5800 Hours


Posted By: FREEDGUY
Date Posted: 22 Apr 2019 at 7:27pm
I am unfamiliar with a 200, but are you SURE it has bull gears?? I just assumed a 200 would have straight axles like a 190 ?? When I hear "bull gear", I am reminded of the best built tractor of all time= D-17 regardless of series #!!


Posted By: otis3
Date Posted: 22 Apr 2019 at 7:54pm
icall the big gear,bull gear, but may be called a final.


Posted By: joe
Date Posted: 22 Apr 2019 at 8:43pm
Really? I was not aware of this. Does it take 821 or a gear oil? You actually have to fill it separately? 


Posted By: MACK
Date Posted: 22 Apr 2019 at 8:55pm
Yes, they are filled separately. Either 80EP or 821.      MACK


Posted By: KJCHRIS
Date Posted: 22 Apr 2019 at 9:00pm
The 2 "Final Drive" compartments; 1 on each side, hold oil for bull gears. Book calls for  8 qts each of AC #715 gear lube, I've been using a 75w-90 synthetic for about 25 years. I check mine every winter and change them every 3 or 4 years. I only put about 200 hrs/ year on it. You may need to partially remove the lower anchor pins for the 3 pt. cylinders to service them.

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AC 200, CAH, AC185D bareback, AC 180D bareback, D17 III, WF. D17 Blackbar grill, NF. D15 SFW. Case 1175 CAH, Bobcat 543B,


Posted By: Lonn
Date Posted: 23 Apr 2019 at 7:05am
Originally posted by FREEDGUY FREEDGUY wrote:

I am unfamiliar with a 200, but are you SURE it has bull gears?? I just assumed a 200 would have straight axles like a 190 ?? When I hear "bull gear", I am reminded of the best built tractor of all time= D-17 regardless of series #!!
You're referring to drop axles. Both the D17 and 190 have bull gears. The 190 has inboard bull gear and pinion while the D17 has..... I suppose you could call them outboard bull gear and pinion but most around here call them drop axles.


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Posted By: FREEDGUY
Date Posted: 23 Apr 2019 at 6:15pm
Thanks Lonn,I just recall dad taking the d-17 bull gear to a local welding shop to have a tooth welded back on to the main gear after it fell off of the jack while switching  tire/wheels for the N/I mounted picker  UnhappyCensoredShocked !! 
It also "jacked-up" the PTO shaft, was never able to make a somewhat hard turn with pto engaged without shearing a pin !!


Posted By: otis3
Date Posted: 23 Apr 2019 at 9:12pm
thanks guys for the info.filled both sides.had to raise the three point about 6 inches.made easy to get to plug.thanks again.



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