Sickle mower horsepower

SVcummins

Well-known Member
What horsepower does it take to run a sickle mower will this pto shaft run it ?

https://www.agrisupply.com/pto-shaft-series-1-6-spline/p/102265/?sid=asf10&eid=Easf10&utm_source=GoogleShopping&utm_medium=CSE&utm_campaign=MerchAdv&zmam=77232640&zmas=1&zmac=1&zmap=102265&utm_source=google-shopping&utm_medium=cpc&utm_campaign=NB_PLA_PTOShaftsAccessoriess_NW_GOOG&utm_term=shopping&utm_content=s9HlirsSd_dtpcrid194324646884pkwpmtproduct102265&gclid=EAIaIQobChMIt-n4h72Q2QIVSGB-Ch0M5gqHEAQYASABEgJr9_D_BwE
 
Your DEERE #8 mower originally used a "6 series" driveshaft.

That driveline series is rated between 12 and 16 HP @ 540 RPM;s, depending upon which source you choose to rely on.
 
Not really sure what you are asking...but we used to run a jd #5 on a Farmall H in high altitude grass hay in 8000' Gunnison Co.The old worn out H had no problem with the heavy tough hay.
 
I need to make a longer pto shaft and agri supply has some but I need to know about how much horsepower it will take to run the mower so I get a shaft that?s heavy enough
 
I cannot imagine a PTO shaft built to light to run a sickle mower. That does not make sense to me the only way it takes much HP at all is if its very dull and extra long.

Joe
 
We used ,continue to use, our 52 MT with a jd no5 7' mower. It handles just fine for the past 66 years. Also used to pull a NH 479 mower conditioner with our 52 A.
 
They still do 7' but 6' is prefered. About had to go to a 1 horse to get that small of bar.
 
(quoted from post at 00:29:11 02/06/18) The oem Deere is rated at 12 to 16?

Yes.

That's what I said.

Parts catalog lists the U-joint cross kit as # AE793E, which is a kit for a 6R series driveline.
 
Well years ago when I was a kid on the home farm I mowed with a sickle bar mower with 2 horse power. There names were Flori and Tony. Just kidding you all but that's what I used.
 
About 23 horse power should be enough with a sharp knife. That's about the horsepower of the Farmall Super A's and C's that had a 7 ft. bar option. Most were 6 ft.
 
I also used a 2 horse IHC mower 6ft I believe, while dad used the #5 JD on a 48 H Farmall. Those horses were named Florie also, and Dixie. Ive gotr a #9 McD 6ft now, and a 48 H Farmall, and used them last week to cut an acre of dead grass. Too lazy to hook up the IHC simi mount for an acre.
 

Dad had a blacksmith make a hitch to connect our #5 JD mower to his 8N ford tractor. It would jerk the end out of the pitman rod before it choked the tractor or twisted the pto shaft.
 
(quoted from post at 23:04:34 02/06/18) The 3020 I know the tractor has the power but I'm trying to find
a pto shaft that will work

The shaft to my sickle bar is no more than an inch square.
 
The earlier version of the No. 8 was the No. 5 and Deere advertised it using an H Deere of 14 belt Horsepower so that is not much. Belt horsepower closley equals PTO horsepower but might be a bit higher from not having to run the gears for the PTO. Biggest tractor made at that time that could run a mower was probably in the around the upper 30's So they would not have designed it for a 70 HP load
 
HABAN made 4 ft cut sickle mowers for garden tractors. They used 5/8" shafts for the pulleys driven off the garden tractor's mower drive pto. Anything 1 inch square or round should be plenty big enough for a 7 ft mower.
 
Leroy I hope you?ll be around this summer whe we go to actually use this thing you know an awful lot about these mowers
 
SPEED has a lot to do with the amount of power it would take to power a specific length of mower bar.
Putting 2 horses at a fast gait would poop them out faster than at a normal gate for them. 3 horses would make a substantial difference.
People nowadays may not want to be content with mowing at the same speeds as our dads and granddads did.
It would take a more powerful tractor to go at a more faster speed then they did back then.
 
I have run a Deere#5, 7foot mower with a Farmall B and the tractor wasn’t hardly working. The front end wanted to slide a bit sideways from the cutter bar draft though. A B has 18 HP.
 
(quoted from post at 10:33:20 02/08/18) SPEED has a lot to do with the amount of power it would take to power a specific length of mower bar.
Putting 2 horses at a fast gait would poop them out faster than at a normal gate for them. 3 horses would make a substantial difference.
People nowadays may not want to be content with mowing at the same speeds as our dads and granddads did.
It would take a more powerful tractor to go at a more faster speed then they did back then.

The hay will fall a lot better and will produce fewer bunches and clogs running at fairy good clip. The farmer that I worked for back in the sixties used to really fly with his 8N and 7 foot side mount sickle.
 

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