pto Generator to mower

   / pto Generator to mower #1  

Kendrick

Gold Member
Joined
Mar 30, 2007
Messages
373
Location
Vermont
Tractor
DK45S(Cab)
I have a 21 horse vert belt driven mower. I want to hook it up to a pto driven generator as neccessary in the winter so my tractor is not tied up in a huge snow storm. I am trying to figure how to get the power from the mower to the pto shaft. about the only thing i could think of was using a right angle from a 40/75 hp phd that some one mentioned in another thred. it is made to have 1500 rpm on the lower shaft while the pto connection is at 500... 1:2.9 ratio or so. I woud build a stand for the generator that you would drive the mower up on pull the main belt and then hook a belt from the lower gear shaft to the mowers pully. mower runs at 2600 rpm ish at top speed.

does any one think that will likely cause an issue in the gear box since it usually has power coming from the pto side instead of the down shaft?
 
   / pto Generator to mower #2  
I think you will be running the mower at less than it's power band to get 540 rpms

IE.. 1566 rpms or so on rough math.

what hp is it going to make at that rpm? how responsive will it be out of power band?

figure in belting losses, and then see what ya got leftover for almost 2hp per KW.

soundguy
 
   / pto Generator to mower #3  
I don't think the angle drive would care which end the power is coming from, or you could just put a large pulley on the generator and twist the belt from the tractor. If you've got a 3" pulley on the tractor, about a 12"-14" on the generator should drop you into the correct rpm range.
 
   / pto Generator to mower #4  
if it's a worm drive it'll make a difference
 

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