720 loader information needed
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Garden Tractors
Forum Description: A great place to discuss the Simplicity and Allis Chalmers Garden Models
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=207630
Printed Date: 19 Sep 2025 at 2:11am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 720 loader information needed
Posted By: Phammy
Subject: 720 loader information needed
Date Posted: 01 Aug 2025 at 7:17am
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I have a loader for the allis 720. It's not the ark model but the original version. If anyone has one I would really appreciate some information. I need the retracted, extended, and stroke dim. and didn't write down the dim. I replaced the original ones with Magister cylinders which was the biggest mistake. BEWARE magister cylinder rods are mild steel. After 4 hours and 400.00 bucks later the rods for the tilt bent! I know these cylinders weren't the exact dim. as the original but were within about 1/2" difference. The lift works but because of the rod material I can expect to replace them later down the road. Any help would be thankful. Thank you and God bless. Phil |
Replies:
Posted By: ShaunE
Date Posted: 10 Aug 2025 at 3:04pm
| Pictures would say 1000 words. When you say you have the original version, depending on what brochure you happen to be looking at, you are referring to the Ark 600, 700 or Danco SV40 or SV41. In addition to that, there was also a Brantly variant & quite possibly a Johnson. Allis Chalmers put their name across the front bolster of the Ark models, but didn't manufacture them. |
Posted By: Phammy
Date Posted: 30 Aug 2025 at 7:59am
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Sorry it took so long. I've been very busy to get things done before the snow flies. Here are some pictures of the loader. I have done some modifications but that just involves the hydraulic system. The cylinders in the pictures show the Magister cylinders as I mentioned above. The stroke for the bucket is questionable. All the cylinders I have come across won't work because I need the stationary end of the cylinder to be 1.75". The rod end could be any dimension under 2.375. However the stationary end must clear the mounting brackets. Like an idiot I had already auctioned off the original cylinders. But I do know they didn't have any manufacturer name or model number. I built this about 25 years ago from Allis chalmers prints. If you require more pictures please let me know. I would be very grateful for any assistance. Thank you and God bless. Phil Hammitt 
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Posted By: Phammy
Date Posted: 30 Aug 2025 at 9:22am
If you need more pictures please let me know. Thank you and God bless. Phil Hammitt
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