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AD 4 Grader

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Construction and other equipment
Forum Description: everything else with orange (or yellow) paint
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=185926
Printed Date: 27 Apr 2025 at 8:03pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: AD 4 Grader

Posted By: KJCHRIS
Subject: AD 4 Grader
Date Posted: 21 Jan 2022 at 10:37am

I see there's an AC AD 4 grader 3 cyl Detroit, at auction next Wed, 01/26/22 on Auction Time. It's at Columbus, Nebr.

I'd like to have 1, but have too many irons in the fire already.

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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,

Replies:

Posted By: SteveM C/IL
Date Posted: 22 Jan 2022 at 1:44pm

AD 4's had 4-71 DDA. AD3 had 3-71DDA

Posted By: KJCHRIS
Date Posted: 22 Jan 2022 at 9:02pm

I just wrote what the add said. I've not seen the machine only picture.

I've thought the little 6 wheel grader with 7:50 or 8:25x20" tires and the 226 gas would be nice useful toy at my place.

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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: ac fleet
Date Posted: 22 Jan 2022 at 11:55pm

I had a BD-3 one time. it had the 3-71 in it. kinda a mid sized grader. Then got the Fourty-Five. 516 motor it, big grader. cat 12 sized only had the super smooth rolling moldboard on it. Now have the D ,--looks like WD motor in it---have no idea for sure.

Always liked the old AC graders.

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http://machinebuildersnetwork.com/

Posted By: Ian Beale
Date Posted: 23 Jan 2022 at 7:58pm

If you could see the clutch they must have changed with the AC Forty Fives, as they have a drive shaft between clutch and trans