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Does anyone else have issues with an uneven cut when on a slight slope? I have a D130 and our back porch has a slight slope away from it. If I mow it parallel to the porch, it will create an uneven cut no matter what I do. I tried lowering the deck rollers and tried raising them. I mow from 2.75"-3" so according to the manual I had the deck wheels down to the lowest level. You can see the uneven cut in the picture. Is there a way to prevent this besides mowing perpendicular? It may be hard to see the slope in the picture.
IMG_20190605_075933.jpg
 

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I'm having a similar problem, but my slope seems quite a bit steeper than yours. Do you have the same problem traveling the opposite direction? (...to rule out mechanical adjustments.) More tire pressure would help a little bit to prevent "settling" on the dowhill side. Other than that, I just tilt the deck very, very slightly the other way and lean uphill when mowing! You have releveled the deck adjusters (at three points), I assume.

I'm interested in the recommendations you receive. Maybe I overlooked something. (Too much play somewhere allowing movement?)
 

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I would recommend that you make sure the tire pressure is even, the deck is level and the linkage is all in proper order.

If something is amiss, fixing it will help.

That said, there is little you can do about the uneven cut on a side slope.

The deck hangs from the narrow frame of the tractor. When you are on crossing a slope sideways, the deck swings to the downhill side.

Put your foot on one side of the deck and you'll see the swing.
 

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Discussion Starter #4
The deck is completely level. At first I thought it was because my deck wheels were too low and the high side of the deck wheels were touching the ground and lifting up which then pushed the low side down. I tried mowing in the opposite direction to see if it was just the left side causing the problem because it sticks out from the wheels further than the right side. It wasn't that. It's disappointing because the only way I can mow then is perpendicular.
 

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Is the hill perfectly even, or does the slope change as you go up and down it? If it changes mowing perpendicular is your only option.

Increasing tire pressure might help, but depending on what’s underneath for slope it might not fix it all though.
 

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I get the same thing on the slope in my side yard with my D160. When you are on the slope the deck shifts to the low side of the mower causing the height difference. The deck hangars are only meant for keeping things level when the deck is hanging directly below the mower. As soon as the tractor tilts the hangars shift a few inches to the low side.

I've been trying to figure out some way to prevent the deck from going sideways on the slope but... Well, I'm lazy and haven't gotten around to playing with it to see what might work. :laugh:
 

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Discussion Starter #7
I think having the scalping wheels on the lowest setting did help but it was still scalping. Could put a stiff roller on the front of the deck like reel mowers use but I'm not going to do that.
 

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I used to have the exact same problem on my LA135. It was worse mowing right to left (right side of tractor downslope). Left to right was a little better, but still uneven. I tried everything to fix it, but nothing worked. Leveled the deck over and over, checked tire pressure etc.
Actually, the only thing that worked was selling the LA135 and buying an x370. Perfect cut with the new machine.
 

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I get the same thing in my front yard, it's all because of the slope and shifting weight. Tractor mows nice and smooth on the side and back of house and down in the septic field, so definitely not a deck level or set-up issue.

Wasn't as evident with my old Craftsman because that only had a 42 inch deck compared to the 54 I have now.

If I butt shift enough, I can lessen the effect. I've tried other mowing patterns to try and eliminate the amount of side slope, but with the shape and slopes of my yard it makes for a lot of reversing and tight turns. In the end it would end up with a fan pattern.
 

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My D130 that I got at Lowe’s was doing the same thing. I went in and talk to them about it. They came and picked up my mower and took it to the dealer for repair under warranty. The dealer said they replaced something in the linkage and fix the problem. Cuts perfect this year i’m not sure what exactly they replaced I couldn’t get the dealer to be specific. If it’s still under warranty give it a try.
 

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I had a similar problem with my x750 and 60" HC deck.

This winter was sitting in the shop, and noticed my deck looked crooked. I got the 750 used last summer and never leveled the deck.

I checked tire pressure, and then leveled the deck. Helped a lot, but I still see a little un-even-ness with my lines when I mow across the hill.

Likely due to fact that the 60" HC hangs off one side of the mower more than the other -- it's a bit off-set by design. Dealer said if I move to the 48" deck, won't see that problem, since the blades are more centered on the mower.

Doesn't scalp like last year, so I just mow and go about my business and enjoy my JD.
 

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Discussion Starter #12
My D130 that I got at Lowe’s was doing the same thing. I went in and talk to them about it. They came and picked up my mower and took it to the dealer for repair under warranty. The dealer said they replaced something in the linkage and fix the problem. Cuts perfect this year i’m not sure what exactly they replaced I couldn’t get the dealer to be specific. If it’s still under warranty give it a try.
Front linkage or back linkage?
 

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Perhaps someplace like Hillco could convert it to a leveling system. I'm sure it'd only take time and :gizmo: That way you could sit on a level tractor and the deck would follow the contour of the land. Or perhaps Kennyd could throw something together. :lol:

JD_Hillco.jpg
 

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I had a similar problem with my x750 and 60" HC deck.

This winter was sitting in the shop, and noticed my deck looked crooked. I got the 750 used last summer and never leveled the deck.

I checked tire pressure, and then leveled the deck. Helped a lot, but I still see a little un-even-ness with my lines when I mow across the hill.

Likely due to fact that the 60" HC hangs off one side of the mower more than the other -- it's a bit off-set by design. Dealer said if I move to the 48" deck, won't see that problem, since the blades are more centered on the mower.

Doesn't scalp like last year, so I just mow and go about my business and enjoy my JD.
He's not lying. I have nothing but hills to mow and my 580 with a 48" deck cuts perfectly up, down, or sideways in either direction. That was one of the reasons I went with a smaller deck.
 
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