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Calling fellow big D17 drivers...

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AllisD17AndyOk View Drop Down
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Joined: 06 Apr 2020
Location: Colbert, OK
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    Posted: 05 Jul 2020 at 10:50am
Hey guys, brought a D17 series 3 few weeks ago, getting it to be like I want. My current issue is the seat. I'm 220 lbs. and sitting in the seat not moving and bounce up and down, feels good, even driving...but when mowing pasture and hit a rough patch, when it bounces, it bounces hard, bottoming out (hard!). It had already been adjusted to heaviest driver, so what can I do to improve the ride? Will replacing springs or shock (or both) help, even if feels good not moving? Can't replace seat with aftermarket as one of previous owners welded the seat bracket to rear end when adding center link for 3 point conversion. Thanks for any advice Andy
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HD6GTOM View Drop Down
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Joined: 30 Nov 2009
Location: MADISON CO IA
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Post Options Post Options   Thanks (0) Thanks(0)   Quote HD6GTOM Quote  Post ReplyReply Direct Link To This Post Posted: 05 Jul 2020 at 11:02am
Replace shock with stock Allis shock. I am 6.2, 260. That fixed mine.
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DrAllis View Drop Down
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Joined: 12 Sep 2009
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 05 Jul 2020 at 1:47pm
The spring carries your weight. The shock keeps you from bouncing like a jack-in-the-box. The spring adjustment needs to be all the way forward and tighten the bolt/wing nut TIGHT so it cannot slip. The spring may have lost some of it's strength after 60 yrs of use.
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PaulB View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 05 Jul 2020 at 2:26pm
Take the shock to a GOOD auto parts place and have them match it to a gas charged shock. The pressurized gas will add to the weight rating. 
If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
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DiyDave View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DiyDave Quote  Post ReplyReply Direct Link To This Post Posted: 05 Jul 2020 at 4:22pm
In addition tho what was said above, I believe there was a rubber baby buggy bumper type thingy, that stuck up from below, that softened the bottoming, IIRRWink
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DrAllis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 05 Jul 2020 at 5:03pm
Nope. Not on a D-17.
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DaveKamp View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DaveKamp Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jul 2020 at 2:47am
Mine bottoms out, too... I'm only 215.  I try to avoid the rough spots, and keep my weight on my feet, because it does jar the hell out'a my back.  I guess I'm getting old! Wink
Ten Amendments, Ten Commandments, and one Golden Rule solve most every problem. Citrus hand-cleaner with Pumice does the rest.
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DanD View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DanD Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jul 2020 at 4:42am
I always drive with the seat in the bigger taller position to have enough legroom too. It also changes the geometry of the seat suspension making it able to hold a lot more weight.
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Joe(TX) View Drop Down
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Joined: 11 Sep 2009
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Joe(TX) Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jul 2020 at 11:54am
the top of the shock can be adjusted. Further back for more weight
1970 190XT, 1973 200, 1962 D-19 Diesel, 1979 7010, 1957 WD45, 1950 WD, 1961 D17, Speed Patrol, D14, All crop 66 big bin, 180 diesel, 1970 170 diesel, FP80 forklift. Gleaner A
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Bill Deppe/AC Salvag View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bill Deppe/AC Salvag Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jul 2020 at 8:50pm
Important the rubber shock bushings and bronze bushings are not worn bad
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