Case 780 Backhoe
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=80824
Printed Date: 23 May 2025 at 5:28am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Case 780 Backhoe
Posted By: Dave Richards (WV)
Subject: Case 780 Backhoe
Date Posted: 25 Nov 2013 at 3:00pm
Need information on the brakes on this beast. Bendix, Raybestos, and Wagner have been great help on this project. Case is AWOL on all information. Their recommendations include "drag your foot". Just thought some of you guys had run across this problem. Need master cylinder replacement ideas.
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Replies:
Posted By: Eric B
Date Posted: 26 Nov 2013 at 9:44pm
What year is the 780? It should have air brakes....normally no big mysteries.
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Currently- WD,WC,3WF's,2 D14's B. Previously- I 600,TL745,200,FL9,FR12,H3,816 LBH. Earth has no sorrow that Heaven cannot heal!
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Posted By: Dave Richards (WV)
Date Posted: 27 Nov 2013 at 8:34am
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Eric, the 780 is an early one, probably 1971. It has air over hydraulic brakes. Case keeps all the part numbers proprietary. i found the wheel cylinders are very common after taking one off and finding the Wagner Number. The master cylinders are a mystery, but i found one off a Clark forklift that looks adequate. I could sing you the worst country and western song ever about trying to find parts for the air compressor.
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Posted By: Eric B
Date Posted: 27 Nov 2013 at 12:25pm
Sounds like you're winning but with sweat on your brow. I'm on my third Case b/h with air (all air), the oldest was a '75 and they've been easy for service and parts. Have you tried for info on Case forums?
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Currently- WD,WC,3WF's,2 D14's B. Previously- I 600,TL745,200,FL9,FR12,H3,816 LBH. Earth has no sorrow that Heaven cannot heal!
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