Farm Equipment - D17 Hydraulics

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D17 Hydraulics

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=138184
Printed Date: 26 Dec 2025 at 5:45pm
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Topic: D17 Hydraulics

Posted By: stroketech
Subject: D17 Hydraulics
Date Posted: 07 May 2017 at 7:53pm

Hi everyone. I have a D17 Hydraulic question. Until now the oldest tractor I've had is a Series IV D17 with full hydraulics. Now with the 1962 D17 I have I need some help on what hydraulic cylinders to use on my disc and plow. Am I correct in the thought on the older style that the hydraulics lift the cylinder then just releases pressure to drop? What kind of cylinders will I need to buy for this tractor?

Thanks, Jon.

Replies:

Posted By: Ted J
Date Posted: 07 May 2017 at 9:26pm

You should post WTB in the classifieds and a LOT of people will come to your rescue. They are HIGH pressure and LOW volume, vs everything else today which is LOW pressure and HIGH volume. GOOD LUCK!!

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"Allis-Express"
19?? WC / 1941 C / 1952 CA / 1956 WD45 / 1957 WD45 / 1958 D-17

Posted By: stroketech
Date Posted: 07 May 2017 at 9:29pm

I'm looking on information about the difference and what I need. Not looking to buy yet.

Posted By: MACK
Date Posted: 07 May 2017 at 9:30pm

You need a hi pressure cylinder. One that screws to gather not bolted to gather. MACK

Posted By: stroketech
Date Posted: 07 May 2017 at 9:41pm

And it's just a single hose cylinder correct?

Posted By: Play Farmer
Date Posted: 07 May 2017 at 10:26pm

Correct on the single hose. When I was using my D17 more I'd just remove the down hose and replace it with a breathing filter. So far it's worked well.

Posted By: Acdiesel
Date Posted: 08 May 2017 at 10:57am

correct you need a single acting cylinder or do like play farmer. (as long as you get a good one that the seals on the piston aren't leaking or you blow oil out the breather when you full stroke the cylinder).

a small bore cylinder is good for the allis hydraulic system, a large bore cylinder would work but take a long time to lift your implement.

dan

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D19 Diesel,D17 Diesel SER.3
2-D14, 2-D15 SER.II WF/NF
D15 SER.2 DIESEL
D12 SER.I, D10 Ser.II
2-720'S D21 Ser. II

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