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Fla Veggie Farmer

Posted 9/13/2008 15:36 (#459516)
Subject: Anybody with JD 6500 or 6700 sprayer knowledge?

Southeast Florida

I've had and have several 6000's. I need to know how does the 6700 hydrastat system hold up and how well does it hold ground speed. These machines would operate at 3 mph and need to hold that on flat ground.

PS What's the difference between 6500 and 6700?

Edited by Fla Veggie Farmer 9/13/2008 15:48

Dave Cen.Ia

Posted 9/13/2008 17:03 (#459561 - in reply to #459516)
Subject: RE: Anybody with JD 6500 or 6700 sprayer knowledge?

Nevada, Iowa

Hi George:

I own a 6500 in partnership with a neighbor. We've been very pleased with it. We are usually running with the hydro stick full ahead in the low side. Ground speed seems very consistant when operated in that mode at 7.8 to 8 mph. We have never tried to run a consistant 3 mph.

We have had to have the wheel motors both resealed now. They were just leaking, no other component failure and that's the only hydro work we have had to do. While we had the motors off, we put seals in the final drives just cause we were there. The machine has about 3000 hrs. on it.

I don't know all of the differences between 65's and 67's but I am pretty sure that the 67 had a larger engine and the exhaust was routed to come out behind the cab instead at the belly, like a 6000. I am sure there more differences than that, tho. HTH

AR Plowboy

Posted 9/13/2008 17:07 (#459567 - in reply to #459516)
Subject: Re: Anybody with JD 6500 or 6700 sprayer knowledge?

East Central Arkansas

I have a 6500 and from what I know the hydrastat seems to hold up okay. I have had some trouble with the wheel plantary gear drives and the drive motors. On the 6500 the bearing tightness is adjusted with shim washers. The spindle doesn't have a nut to hold the hub on but uses a large snapring. Wheel slack needs to be checked and if loose a thicker shim installed. I think allowing the hubs to get to loose is what caused my problems. This was a used machine that had about 2000 hours when I bought it. I don't know how it was treated before I bought it but I know I have some neigbors with help running them that are a lot rougher on them than I am. I ran this machine two years before I had problems.
The first gear drive locked up at the end of the second year when I was cleaning the machine up for the winter. I had put some water in the tank and was driving across the field spraying throught the boom to flush it aut and when I turned around it locked up. It tore the guts up pretty good on the inside of the plantary gear drive. I ended up buying a complete plantary gear drive and a new hydraulic motor from a source other than JD for less money than JD wanted for parts to fix the old one. I also found a source for manufactur rebuild on the motors.
The next year I had trouble on the other side with hyd motor leaking fluid into gear drive and found that hub bearings were also loose on this side. I just had to replace bearings, races, and seals on this side and replace the hydraulic motor.
I have a new gear drive and hyd motor on the shelve ready to go if I have problems but I feel like I will get a lot of running before I have trouble.
To answer your question about running at 3 mph and holding I don't know for sure. I do know that I run my sprayer in the manual spray position most of the time and it is hard to set the stop on the hydrostat handle and get it to stay at the exact same speed with out some adjusting . Some of this is field conditions and the amount of weight from water you are carrying but some of it could be in the speed control linkage and that it just don't allways return to the same speed when you move the control. This is not a big problem running it myself but you have to keep a eye on GPA and MPH.
I don't know all the differences between the 65 and the 67. I think the 67 has a bigger engine and maybe a better hyd. system. The 67 has a different solution pump. A regular frame mount pump like a hypro. The 67 has exhaust pipe that sticks up above the cab. I don't think the 67 has the spring cushion boom like the 65. I think the 67 has can bus spray contol but not sure.

JK SCLA

Posted 9/13/2008 17:08 (#459569 - in reply to #459516)
Subject: Re: Anybody with JD 6500 or 6700 sprayer knowledge?

I am pretty certain it would, can certainly try it for you, I have one. If it seems a bit touchy, I may throttle back a little and open the h-stat a bit more. Give ma a day or so to try. My machine is stacked in the shed from the winds of IKE. Minimal rains yet, just wind.

boog

Posted 9/13/2008 17:25 (#459586 - in reply to #459516)
Subject: Re: Anybody with JD 6500 or 6700 sprayer knowledge?

There are several 6500s in this area and a couple 6700s. We have run a 6500 for 3 years and have gotten along fine with it though did have an o-ring go out on one wheel motor but it was a simple in the field fix.

Not positive but I think the later 6500s had more hp than the earlier ones. One of the guys that has a 6700 had a 6500 previously & he complained it was short on hp & that was why he traded for a 6700. I have noticed a lack of power with ours. I usually spray 11 mph in Hi on the 2speed hydro & that's with the throttle set at about 3/4. Haven't had any problems maintaing a constant speed, even on slighly rolly ground, unless it's muddy. Back in June after the big rains I powerd out in some spots & had to drop to Lo on the hydro but that was in reall muddy condition & the tires were sinking enough that the fenders were dragging.

Besides what other have mentioned in differences between the 65 & 6700s the 6700 is equpped wth a T tank, 6500 has an oval tank, but the T tanks is slightly smaller, 415 gal compared to the 65's 420 gal. ^700 has front fill & the 65s have rear fill.. Presonally, I like the rear fill because I back up to the water truck & everything is just a few feet away where I can see what's going on instead of at the other end of the machine. Maybe not important to some but it sure makes a difference to someone like myself that doesn't have the best set of wheels under them.

Fla Veggie Farmer

Posted 9/13/2008 17:32 (#459591 - in reply to #459586)
Subject: Re: Anybody with JD 6500 or 6700 sprayer knowledge?

Southeast Florida

What I want them for they don't need the booms or pumps that come on them. I really don't want the tank because we build SS tanks that hold 500 gal. for the6000 and put high pressure pump on them. Do they still have a open center belt driven pump for the hydraulics or did they go to the front pump with closed center? The tri-cycle version is what I'm looking for.

Edited by Fla Veggie Farmer 9/13/2008 17:33

Dave Cen.Ia

Posted 9/13/2008 17:55 (#459610 - in reply to #459591)
Subject: Re: Anybody with JD 6500 or 6700 sprayer knowledge?

Nevada, Iowa

I'd have to look in the om and it's not here but the hydraulics are belt driven and in conjunction with the hydrostatic drive. There is only one oil resevoir. What I can't recall is open or closed center but if I had to give a wag it'd be closed. The spray pump is still belt driven.

For the record, the 6700 was available with a T tank or the standard configuration.

KelB

Posted 9/13/2008 18:05 (#459615 - in reply to #459610)
Subject: George they are open centre driven from behind

Ayr Queensland Australia 4807

the hydrostatic pump unlike the 6000.

peanut farmer

Posted 9/14/2008 21:36 (#460583 - in reply to #459591)
Subject: Re: Anybody with JD 6500 or 6700 sprayer knowledge?

SE Georgia

I had a 6500 from new to about 1800 hours.In that time I had to work on the wheel planetaries ,other than that no major problems.They are loud and rough but work good in smaller fields.I think the 3 wheel version of the 6700 is the 6100.I have seen more of them in North Carolina than any where else because the work good for topping tobacco.I also have seen some for sale in S. Carolina, and Georgia just not as many.(The 3 wheelers) Will

cynic

Posted 9/15/2008 13:53 (#461148 - in reply to #459516)
Subject: Re: Anybody with JD 6500 or 6700 sprayer knowledge?

The 6700 replaced the 6500 in 1999. It is my understanding that the 6500 was a wide front version of the 6000. Standard boom was 47 feet. The 6700 has 7-10 more hp and standard boom was 60 feet. The 6700 comes in either tricycle or wide front. Both had 400+ gal tanks. (the 6100 was the same as a 6000 only with a 320 gal tank. The hydro has held up well at 6-10 mph. Not much experience at 3 mph.

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