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John Deere Tractors Discussion Forum
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4850 vs. 8650

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4 R's

02-19-2007 12:17:39




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need one or the other to pull a 28 ft disk in root plowed land. wondering if the 8650 would pull more or are they relatively the same?




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PreciseFarms

02-20-2007 19:30:42




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 Re: 4850 vs. 8650 in reply to 4 R's, 02-19-2007 12:17:39  
We used to pull 26.5ft 630 Deere disks with 200 PTO hp 4955s with MFWD. They would pull them great, you couldn't have found a more perfect match. At the same time we pulled a 23ft 630 with a 2wd 4850. I firmly believe the 48 would've outpulled the 49s had it had MFWD. That said the 48s were stout, especially with 38 rears, but you could overload it anytime you wanted with a 28ft disk. However, it would probably pull it all day long in any conditions if you were content to pull it at 5mph when necessary.

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otto stook

02-20-2007 06:38:25




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 Re: 4850 vs. 8650 in reply to 4 R's, 02-19-2007 12:17:39  
Yeah the 48 is a handier tractor,I worked for a guy that had a 8650 and 4955,,the 86 dynoed 310 and the 49 at 240,,he had a 35 ft field cult,the 86 played with it,,the 49 was ok till it saw a hill, it had the power but couldnt get it to stick to the ground,and it was weighted to the max,,your comparing apples to oranges,,



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4 R's

02-20-2007 05:51:31




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 Re: 4850 vs. 8650 in reply to 4 R's, 02-19-2007 12:17:39  
thanks for the replies, most of the land will be hilly usually heavy and clay mixed. theres 24" blades and most of the time, if we have the power it will be pulled deep.



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JDPwr4450

02-20-2007 00:58:26




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 Re: 4850 vs. 8650 in reply to 4 R's, 02-19-2007 12:17:39  
Either one will put it good,if both tractors are in good shape mechanically. We pulled a 25' deere disk with a 4055 for the last couple of years,it pulled it fine..could go along 6 or more mph all day long. Of course,that tractor is not stock..our stock 4450 with quad-range pulled the same disk that fast as well. Plus,our soils are heavy. Point is,either one should do fine,but as G-man said..the 48 is alot more versatile,and could possibly even pull more. I'd go with it myself. Good luck.

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SMA in NE

02-20-2007 16:06:22




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 Re: 4850 vs. 8650 in reply to JDPwr4450, 02-20-2007 00:58:26  
25' is a lot of disc for a 4055 or a 4450. A 20' disc will suit a 4450 better unless it's a pretty light disc or your not going very deep.



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John Jenkins

02-19-2007 13:45:37




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 Re: 4850 vs. 8650 in reply to 4 R's, 02-19-2007 12:17:39  
For a disk that big, I’d go with the 8650 everyday and twice on Sunday, especially if it is heavier soil and/or hilly ground. We used to pull a 26’ Case DOT disk in clay/black soil with our 8630 and it was a pretty good match. Those DOTs were heavy though and our 26’ weighed in at a click or two below 20,000#. We also had a 28’ DOT (over 20,000#!) that we pulled with our Steiger Panther 325. TIFWIW.

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Dave Sherburne NY

02-19-2007 13:40:02




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 Re: 4850 vs. 8650 in reply to 4 R's, 02-19-2007 12:17:39  
I used to plow 7 bottom variable width with a 4850 no problems.But put it on a disk not 28 ft wide and spent half the day pulling both out. I think on a disk that size you need the 8650 and you won't pull that in high gear.



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G/MAN

02-19-2007 13:33:45




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 Re: 4850 vs. 8650 in reply to 4 R's, 02-19-2007 12:17:39  
Depends on the conditions and the tractors. If the 4850 is MFWD and is in good shape, it'll be a pretty good horse. Hard to make a comparison of a MFWD tractor vs. a 4wd tractor. I don't know that the 8650 is going to pull "lots more". The 8650 has a bigger engine of course, but it's also moving several tons more of its own weight. The 4850 is going to be much easier and cheaper to work on, and unless you find an 8650 with a hitch and PTO, the 4850 is going to be much more versatile. 4wd does not automatically make a tractor a better worker in the field. I know of a 4560 2wd that's dead stock that will pull with a dead stock 8450 on the same farm all day long. The 8450 makes about 205 hp at the PTO (rated around 185 or so) while the 4560 is only rated at around 155, but the fact that the 4560 is moving 6,000 or 7,000 or so fewer pounds around makes a huge difference. And the 4wd drivetrain eats a big chunk of horsepower also - turning 8 big tires, 4 final-drives, two differentials, etc. For an all-around, general-purpose tractor, the 4850 will win hands down.

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otto stook

02-19-2007 12:30:15




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 Re: 4850 vs. 8650 in reply to 4 R's, 02-19-2007 12:17:39  
the 8650 is in a completly different class,,it will pull lots more than a 4850,,



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