need more hydro static power
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    need more hydro static power

    Currently I run a l 120 thats a 22hp 48 inch cut With this I pull 2 swisher 60 inch mowers. Total cut is just under 14 feet.In most cases everything works just fine. This year we had lots of rain and things are soft.This makes for a harder pull and my hydro isn't pulling after about 2 hours .Seems as it gets hot or slips but i'm just guessing.I unhook the swishers and can drive away.After a couple of hours of rest I'm back to mowing with the towbehinds as usual. I cut roughly once a week for 2-2.5 hours mostly flat to low slop lawn.I'm happy with this setup but am thinking I need more trans power for the pulling.Current L 120 is about 5 yrs old and in beautifull shape.Think I should upgrade.What model should I go to for better trans power soI have better pulling power.I only use this unit for lawn mowing but have alarge acreage. Thanks

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    FordGuy's Avatar
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    I don't know hydro drives, but it would seem the fluid must be getting too hot after two hours. Have you ever changed the fluid in the transmission?

    Your next tractor will need a good HD transmission and a big cooler for it. I think that would be a x320 or larger....
    John Wayne, Jonny Cash & John Deere

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    mjncad's Avatar
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    You're overworking that L120. It wasn't designed for that kind of duty.
    I have more ideas than ambition.


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    I agree I'am over working the 120 .But with all deere equipment they surpass what would normally be accepted .At least in my opinion.That being said it worked fine for 5 years although not with an abundance of extra pulling power.I guess this just should show us all what the small 120 is capable of. I have the hp but need more trans power.What is the least expensive tractor unit I can get in a deere and have a stronger trans unit.And will this turn into more pull or lugging power. Thanks

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    jenkinsph's Avatar
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    I suspect an X500 series would be a better choice as these are supposedly built for multi terrain.

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    When was the last time you change the hydraulic fluid? I bet it is thinning out. Might try something thicker.

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    Good idea I will change hydralic oil . I'd like to upgrade oil when I do. Any sugestions as to what type? I know deere makes some high temp greases but what about oils?

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    What kind does the manual recommend?

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    mjncad's Avatar
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    As I recall, the Tuff-Torq K46 trannies used in the 'L' series lawn tractors are not meant to be serviced. I've heard they can be removed and rebuilt.

    Just because a lawn tractor says Deere on the hood doesn't make it any better than any other BBM (Big Box Mart) lawn tractor. I'd recommend you ask some of the guys who own 'X' series tractors about their experiences with them, and if they think they are better suited for your application.
    I have more ideas than ambition.


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    Quote Originally Posted by mjncad View Post
    As I recall, the Tuff-Torq K46 trannies used in the 'L' series lawn tractors are not meant to be serviced. I've heard they can be removed and rebuilt.
    So does that mean you cant change the oil in it?

    What I was gonna reccomend is what I've seen some "old timers" do...run thicker oil like Brian mentioned. In this instance Id run the normal JD HyGard.

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