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JD 800 Windrower

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Kenneth S

08-03-2002 13:46:14




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Hello, I am considering purchasing one of these windrowers (reasonable price) for my small hay operation. Are there any major weak spots/ strengths of this machine? What years were they made, and does JD still stock parts? This one includes a hay conditioner unit. Any other info and/or photos would be greatly appreciated.

Thanks, Kenneth in OR




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G Taylor

08-08-2002 17:16:06




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 Re: JD 800 Windrower in reply to Kenneth S, 08-03-2002 13:46:14  
The machine's serial number, a credit card and a call to 1-800-522-7448 will
obtain the parts,service and operators manuals.
The conditioner can be bunged on occasion if a wad of hay forms ahead of it
while backing up or turning then starting ahead at full speed. Not too tough
to clear. The conditioner bearings go every once and a while but they come
off easy with a good puller. Keep the final drive chains snug. Wrapping one
of them around a sprocket makes the operator more aware of the virtues of
regular maintenance and inspections. The bottom slides to tighten the
canvases can seize due to leaves,moisture & etc. Cleaning and coating with
never seize is all that's required.
Adjust the helper springs on the platform lift cylinders to carry almost all
the weight when fully lowered. No use wearing out the skid plates, drive
train and burning extra fuel just to skid gouges in the sod. In short, if you understand the machine and treat it right , it's a fine
haymaker. Deere stocks parts better than anyone else. Age, they must have been late
70's to early 80's.

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Wheels

08-04-2002 20:07:07




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 Re: JD 800 Windrower in reply to Kenneth S, 08-03-2002 13:46:14  
Kenneth,

We have a ten foot J.D. 800 swather that we use for hay and grain. The weaknesses we have experienced are the welds on the header are cracking on ours, the canvases can be a problem to keep running straight. There is a brace underneath that seems to contribute to the problem of debris catching on the bottom of the roller and wrecking the canvas. The belts can be quite interesting to change, you end up taking a lot apart to do it.

I am impressed with the Motor, the Chrysler slant 6 in ours seems almost indestructible, I have run it very hot twice in the last 10 years (One time I drove it over a quarter mile home after the fan belt broke) and it is still going strong. For the most part our machine is reliable and it gets used very well.

I do not know what years they were made. John Deere had the belts we have needed in stock, had to order the governor. My guess is unless it is a real technical type part they will have it, we have not had many problems with it lately.

About the conditioner, are there many rocks in your area? If so there may be dents in the rollers. This can be an indicator of how used the machine is.

I hope this didn't get to long, I really like our 800 and we are looking to find a 12 foot 800 to cut grain with.

Wheels
Central MN

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Frank M.

08-05-2002 17:42:34




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 Re: Re: JD 800 Windrower in reply to Wheels, 08-04-2002 20:07:07  
Your comment about the slant-6 running hot reminded me of something I did back in my youger, wilder days. I had a 68 Dart with the slant-6. One Saturday night after a little partying I started home and couldn't figure out why the heater wasn't working. In those days my right foot was a little heavier than it is now, so I always ran it wide open on the highways. About 95 mph. The next day, after I sobered up I discovered I had busted the lower radiator hose. I drove 40 miles wide open with no water in the cooling system. It didn't seem to hurt it though. I drove it another 2 years and sold it. This is just a long winded way to say " Yep those Chrysler sixes are tough.
Frank M.

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JMS/MN

08-04-2002 22:26:21




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 Re: Re: JD 800 Windrower in reply to Wheels, 08-04-2002 20:07:07  
Wheels- Agree with you on what you mentioned. Had the same weld problem- on the steel above the lift cylinders. Learned that welding flat straps on was ok, but weld only the length of the strap- not on all four sides (need space to let the stress out or they re-crack soon). Keep wheel drive chains tight- they are a bugger to get back on, working upside down in little space- they snag on the narrow side inside the frame, against the sprocket bolts. (final drive chain, not the ones under the platform) Also find every grease fitting underneath- one is almost hidden- remember, every fitting you find on one wheel drive system, there is one on the other side of the machine as well. Grease gun just fits up behind the pulley, and you can find it. Hydraulic pumps are exclusive to this model and expensive. (about $400). With a little experimentation, could be replaced by much cheaper generic pump. Also chain drive on right side of header is mounted on too thin metal- reinforce it before it wipes out mounting. Cut out of 1/4 inch plate, use existing as pattern, and mount cheesy bearing and sprocket like before. (Far right bearing, part of reel drive). If you're interested in another one, mine is for sale- quit dairying- 14 foot with an extra 12 foot head which is in better shape, on a parts machine. e-mail for info. (second owner, had it since 1980), good engine, drive etc, except one planetary needs reverse- have parts. New price on an 800 in 1974 was about $8000. Don't know when they quit making them.

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