Class 2 PTO shaft location

Jim L. 2949

New User
On a Tractor with a class II 3-Point Hitch is there an industry standard dimension from the pivot center on the lower arms to the center of the PTO shaft? I have and old clod buster that I would like to use but the PTO input shaft looks too high for most tractors that I have seen.

Thank you.

Jim
 
There is an ISO standard but many attachments DO NOT have the "standard" dimension. The companies either could not meet the standard because of requirements of their equipment drives of just did not bother with it. Also it depends on the age. The ISO standards did not become finalized and accepted until the mid 1970s. Even then companies did not adopt them on the current equipment but waited until "NEW" models where designed. AN example would be the ISO/pioneer hydraulic couplers. These did not become universal until the early 1980s.

Here is a link to the ISO site where you can purchase the actual standards for PTO dimensions.

http://www.iso.org/iso/home/store/catalogue_ics/catalogue_detail_ics.htm?ics1=65&ics2=060&ics3=10&csnumber=56698


ISO 500-1:2014 Agricultural tractors -- Rear-mounted power take-off types 1, 2, 3 and 4 -- Part 1: General specifications, safety requirements, dimensions for master shield and clearance zone
ISO 500 1:2014 Agricultural tractors
 
Thank you for the information. I was planning on using a friends tractor so I will probably run out to his ranch and measure it to make sure it will fit. I don't want too much angular misalignment between the PTO and input shaft.
Thanks again
Jim
 

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