Construction and other equipment

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hd6ep

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=140206
Printed Date: 07 Aug 2025 at 6:25am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: hd6ep

Posted By: scrappy
Subject: hd6ep
Date Posted: 07 Jul 2017 at 9:57pm

I have hd6ep that will go in gear and tries to pull but wont move. Is tran pump on bel-housing . What kind of oil go in transmission What goes in hyd pump for blade ? Does pump for blade supply any thing else.

Replies:

Posted By: MACK
Date Posted: 08 Jul 2017 at 7:28am

Does clutch pull hard or easy? Sounds like clutch may need tightened.
Use 821 or universal hydraulic oil. MACK

Posted By: scrappy
Date Posted: 08 Jul 2017 at 5:42pm

I like to know if any out there has any information on hd6ep power shift transmission and what kind of oil it take. What kind go in hdy pump

Posted By: Hawk
Date Posted: 09 Jul 2017 at 8:13pm

If I remember correctly we used to run 20 wt. Hydraulic fluid in both the trans and the blade hydraulics on our HD11EP. I am sure about the blade but not positive on trans its been 15 yrs. since the old girls have moved.

Posted By: DMiller
Date Posted: 10 Jul 2017 at 5:09am

Should be similar system to my 7G just smaller. I use a 20wt specified hydraulic oil in the tank on the right side for the hydraulics, then a 10wt. transmission oil very similar to Hytran the old IHC units used. There will be filters and suction screens on your machine either find a service manual or get on the parts pages of MINNPAR to locate these then drain remove and verify they are clean. This destroyed the trans and trans pump on my tractor from being ignored where I had to buy a donor to get working parts.