Re: How much horsepower

Posted by the tractor vet on August 29, 2023 at 12:13:34 from (108.220.145.239):

In Reply to: Re: How much horsepower posted by Loosehandle on August 29, 2023 at 11:41:32:

Yea glad ya brought that up. as i did not . Like on that Junk 1219 Deere haybine that belongs to a friend when he bought it he calls me telling me there was something wrong with his 730 John Deere with the hyd.'s as it would not LIFT the haybine . So i go out and put the gauges on it and it's making around 1150 , Now not being a Deere expert i was thinking that well for the age and time frame it was made 1250 psi new should be about right so yep down a bit . He wanted to do the mowing with the 730 , Not going to happen . So we put the 706 Farmall on it , well it will lift it SLOWLY and i check pressure and flow and i have 1750 and 11 gpm , yep it's down a gallon a min but pressure is dead on . So we changed out the pressure relief and upped it to 2150 and the gpm's stayed somewhat the same but now it lifts if faster , fine we will go with that . He then finds a super deal on a 7000 four row planter that is notill and once again he wants to plant corn with it now instead of my old 1240 . BUT oh wait once fully loaded with fert and corn the 730 won't even think about lifting it off the ground and now my 806 is put into corn planting tractor and once again we had to change out the stock pressure relief to a 2150 . Now the OLD stuff that used a 3x8or a 4x8 cylinder the OLD systems other then the 7000 planter the old systems would LIFT . ya take the old M& h's org. they only had 950 psi on the belly pumps but most were changed to the 1250 spring . back when they were new Hyd. was just starting to come into play and they back then only had to lift mounted cultivators , maybe a manure loader a two or three bottom drag plow , a flimsy 4 row corn planter and a small transport disc. or a sickle bar seven foot mower . Deere did not have better Hyd. till the 3010 4010 and they had higher pressures then the rest . On the 1219 it has only one 2 inch lift cylinder thus it take more pressure to make it lift. , For a lower pressure tractor one might get away with installing a second cylinder if ya could afford it from Deere. BUT the lifting would be painfully SLOW.

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