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 | Harry Webster
Join Date: Posts: 1 
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2000-03-21 14003
Yet another Newbie question: Does John Deere make a hydraulic outlet kit for the rear of a 4100? A friend has offered to let me borrow his small 3-point hitch backhoe attachment to dig waterline trenches (six inch bucket). Seems like this would be a usefull addition if I ever wanted to run a log splitter.HarryW
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| Joe Padavano
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2000-03-21 14012
Yes, however be sure you're sitting down when you ask the price. My local JD dealer quoted me $1300 for the complete Selective Control Valve kit for my 850. Oh, by the way, that doesn't include the high-volume hydraulic pump you'll probably need as well. I guess that green paint hides solid gold components. Instead I've ordered a kit from Affordable Equipment ($175) which has the interface block to the factory hydraulic line plus all the hosed and couplers. A dual lever open center hydraulic valve (with float on one, just like the factory setup) costs $150 from Norther Tool. I figure I'll need to spend a weekend installing it and bending up some sheetmetal brackets to mount everything, plus a few bucks for a can of green spray paint. The difference will go a long way towards the cost of an aftermarket loader. ....
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| JeffM
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2000-03-21 14017
Harry, recently there was a post on this board (or the tractorbynet) where somebody said that Deere does not sell an auxiliary hydraulic outlet for the 4100. If you search, you should be able to find it. I had posted to that same thread with details on the 3rd selective control valve and aux hydraulic outlet for the 4200-4600 series Deeres. On the 4400, for example, the "power beyond" rear hydraulic outlet only runs about $125 and is used for backhoes. If you needed a 3rd selective control valve for that outlet they run about $200-210, but this is also only for the 4200-4600 series. This is alot less than what Joe is saying for the JD850. Also there is no need for a larger pump on the 4200-4600. Good luck with your 4100. ....
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley 
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2000-03-22 14039
I don't know what the capacity of your hydraulic pump is, but there was a long thread recently (on the other board maybe) about log splitters. A general conclusion was that most tractor hydraulics don't run splitters very well. Long cycle times of 30 seconds or so was the main problem. A hydraulic pump of 12 gpm capacity at 2,100 or 2,200 lbs. (I forget which) was recommended.
If a main interest in rear hydraulics is log splitting, then maybe a PTO hydraulic pump is a better investment. It may also run a back hoe faster. However, a sizable oil reservoir would be needed.
Another idea in the discussion was questioning if it's a good idea to put bunches of hours on a tractor just to run the pump. Somebody said they were going to rig up a gas engine driven pump to drive a 3ph splitter. The tractor would just carry the unit around.
....
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| Doug Huebner
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2000-03-22 14044
There was a number of threads a while back about using a 3pt backhoe on a 4100. I seem to remember there was an inference that it voided the warrenty and could damage the tractor. Not sure if that is true [or even if I got it all correct] but you might check before you act. ....
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| Alex Holsinger
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2000-03-22 14047
4100 has an aluminum transmission case and is not recommended for a backhoe or heavy 3 pt loads. The 4100 is the only 4000 series Deere tractor that has this restriction to my knowledge. ....
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| Harry Webster
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2000-03-22 14049
I specifically asked my dealer about the backhoe issue with the 4100 and warranty. His reply was that Deere did not offer a hoe to fit the 4100, but that there were plenty of aftermarket manufacturers that did. If sized correctly, the use of a backhoe would in no way void the warranty. I hope this puts this myth to rest.
HarryW ....
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| Harry Webster
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2000-03-22 14051
Thanks Tom, I hadn't really thought about the flow rate being inadequete. HarryW ....
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| Bob Thibeault
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2000-03-23 14096
On the 4100 the 3 point hitch is rated for 930# 24" behind link ends so if the backhoe is less than that you should be ok. One thing to remenber is you have to have a loader on the tractor to use a the backhoe.
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 | Murf
Join Date: Dec 1999 Posts: 7249 Toronto Area, Ontario, Canada
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2000-03-24 14127
A colleague of mine had a 4100 (with loader) with a 3pth auger on it for installing fence posts, deck footings, etc. With less than two seasons on the machine it broke in half in the middle of a job. It cost him a great deal of time and money to get the broken machine off the customers site (oil, hyd. fluid, etc., is a hazardous waste spill...) and to the dealer, who politely but firmly insisted that it was NOT a warranty claim. It seems that Deere was of the opinion that if the machine broke he MUST have been ABUSING it! He fought for weeks (while paying for a rental replacement) before finally hiring a lawyer to carry on the fight. After 2 months and a lawsuit being filed, Deere relented and fixed the machine, he drove it out of their yard and directly to the Orange store where he traded it. Bottom line... Beware of aluminum components they are not nearly as forgiving as good old cast-iron... Best of luck. ....
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