Farm Equipment - AC 170 hydraulic hard line replacement

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AC 170 hydraulic hard line replacement

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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=204168
Printed Date: 29 Jul 2025 at 2:37pm
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Topic: AC 170 hydraulic hard line replacement

Posted By: AddictedtoAllis
Subject: AC 170 hydraulic hard line replacement
Date Posted: 14 Nov 2024 at 8:58pm

Hello!

I have a hole in the hydraulic hard line for the lift arms.

Anyone know where I could get a replacement one?

It's the later 170 model with the hydraulic pump in the front.. the short section in the front to the pump is fine, but the back half, just behind the fittings that connect the front line to the rear half is where the hole is.

Thanks guys!

Replies:

Posted By: KJCHRIS
Date Posted: 14 Nov 2024 at 9:24pm

What kind / size hole; pin, worn thru, cracked?

A lot of lines w small holes and even cracked almost into 2 pieces have been repaired by brazing the area. It's an option if you can't find a replacement line.

OR a hydraulic hose can be fabricated to replace it. IT won't look OEM to the purists, but it does cure the leak.

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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: AddictedtoAllis
Date Posted: 14 Nov 2024 at 9:47pm

Thanks for the quick reply! It's a small worn through spot. I didn't even think of brazing! I'll probably give that a go first!

Thanks!

Posted By: DrAllis
Date Posted: 15 Nov 2024 at 6:20am

I suppose AGCO doesn't have it available anymore ?? My local hydraulic hose business (they are EXCELLENT) actually makes steel lines such as that. Take them the old line and in 10 or 15 minutes they will have you a new one shaped just like your old one.

Posted By: DSeries4
Date Posted: 16 Nov 2024 at 8:14am

Those long lines are not available anymore. I needed some for my 175 some years ago. A small patch can be brazed no problem. My old lines were bent and mangled out of shape, so they could not be used as a pattern to have new ones made. Had to borrow straight ones to have new lines made by my local hydraulic shop, still had to do some tweaking to get them to line up and look right. But in the end, it all worked out good.

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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080