Re: Farmall Super AV Questions

Posted by Hugh MacKay on July 29, 2006 at 08:02:27 from (216.208.58.188):

In Reply to: Farmall Super AV Questions posted by '49 Super AV on July 29, 2006 at 04:44:13:

Tom: Most Super AV implements are Super AV specific. It's usually just lift linkage that are different from regular SA implements. One would almost have to discuss each individual implement as some will have more differences than others. Parts book would be best way to sort that out.

Regarding the power in 4th gear, I've never owned an offset high crop. The gear ratio from engine to rear axle is exactly same on a SA as it is on a SAV. You can not expect the same power turning those big tires, and it's probably just as well. Just an example and I have the 130 figures right in front of me. 2nd gear in the hi-clear is 4.8 mph, 3rd gear in regular 130 is 4.8 mph. 4th gear in hi-clear is 13.2 mph while regular 130 is 10 mph. Your SAV has the same gear ratio as 130, couple that with the fact SA rpm is about 200 less than 130.

My calculations make the SAV in 4th gear a Rolls-Canardly. Rolls down one hill and can hardly climb the next. There was an old engine rebuilder in my home town, specialized in Farmalls. He always said there was no way those little C-113 and C-123 engines could handle 36" tires with ratio of SAV or SC for that matter. He always claimed the engine gave great service with 24" wheels, but not so great with 36" wheels. That is why I never bought one. His saying was if you want big wheels, buy an H

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