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616 Hydro

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=10531
Printed Date: 08 Apr 2025 at 8:57am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: 616 Hydro

Posted By: Charlie175
Subject: 616 Hydro
Date Posted: 03 Apr 2010 at 8:20pm

Duetz-Allis 616 Hydro has begun to slow up speed wise (Ground speed).
Fluid level is OK, but probably need to change the fluid as it has been a while since the shop did it. Do these mowers have a hydro oil filter?

Any ideas on what would cause it to move slow? Has to be flow related?

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Charlie

'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD

Replies:

Posted By: D-17_Dave
Date Posted: 03 Apr 2010 at 9:35pm

Wear in the linkage could result in a slow decrease of speed. If you have a noticeable difference in a few days of use I'd look at the drive belt adjustment/wear.

If you do have a pump problem your likely better off finding a complete tranny and swap out rather than trying to dig into the hydro due to the clearances and possible contamination involved in a hydro.

Posted By: Charlie175
Date Posted: 04 Apr 2010 at 6:21pm

I will check that.
The manual doesn't say how much oil goes in it, do you know?

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Charlie

'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD

Posted By: D-17_Dave
Date Posted: 04 Apr 2010 at 8:30pm

I don't, however you can check out Simpltractors.com and post the question and I'm sure you'll get some more info.