Farm Equipment - D21 gears

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D21 gears

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=209924
Printed Date: 01 Feb 2026 at 3:43am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: D21 gears

Posted By: whatscooking
Subject: D21 gears
Date Posted: 31 Jan 2026 at 6:26pm

Another question cuase I have never worked one.
Is the shift order low range 1 2 3 4 then high range 1 2 3 4 ?

Replies:

Posted By: whatscooking
Date Posted: 31 Jan 2026 at 6:27pm

So no hi low like a 180?

Posted By: DrAllis
Date Posted: 31 Jan 2026 at 6:34pm

No "on-the-go" power shifting. Straight 8 speeds. 1-2-3-4....5-6-7-8.