Go BottomPlease explain PTO lift capacity
 | Bill H.
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1999-04-06 2468
Can someone please explain PTO lift capacity? Some specs give lift capacity at lift point. Others give lift capacity 24" from lift point, or from link ends. What's the difference and how can you convert one to the other? How important is it if one tractor has 100 pounds or so more than another? Thanks in advance.
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| Jack in IL
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1999-04-06 2477
Slight confusion here. The PTO is the Power Take-Off and is not related to the Three-Point Hitch. The Society of Automotive Engineers Standard related to Three Point Hitches specifies that the rating be given based on raising a load of " X " pounds positioned 24 inches behind the pins. This is to approximate lifting an implement whose center of gravity is approximately 24 inches behind the pins. This is a reasonable estimate for many implements such as box scrapers, blades, scarifiers, tillers, etc. The CG distance would typically be longer for implements such as rotary cutters. There is no simple way to quickly convert lift capacity at the ends of the draft links to the 24 inch point since it depends on the specific geometry of each three point hitch. As a practical matter most of the three point implements that most people use can easily be lifted by most compact utility tractors. ....
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| Bill H
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1999-04-06 2486
My ignorance. Meant to say 3-point. ....
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| guest
Join Date: Aug 2017 Posts: 0
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1999-04-06 2495
I believe that the lift arms are a standard length since 3pt (ASAE?) specs govern things like expected distance from the pto shaft, etc. The variance will be where the lift links tie into the lift arms. That might vary by mfgr and will have a bearing on lifting ability. Like Jack said, it's really a non isssue for most CU tractors as they can reasonably lift most anything that can be attached to them.Lee ....
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