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Does wheelbase matter
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BrianC View Drop Down
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Joined: 16 Jun 2011
Location: New York
Points: 1619 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BrianC Quote  Post ReplyReply Direct Link To This Post Topic: Does wheelbase matter
    Posted: 08 Feb 2020 at 4:45pm
What is the effect of wheelbase when 3pt plowing or disking?
Maybe a D15 (87") vs. a Ford 3000 (76") both about 4000 pounds and 40HP.
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 21774 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 08 Feb 2020 at 4:56pm
Longer wheelbase GENERALLY rides smoother. As far as plowing, you need enough WEIGHT on the nose (regardless of length) to keep it down on the ground and enough weight for proper traction on the rear.
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DaveKamp View Drop Down
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Joined: 12 Apr 2010
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Points: 6065 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DaveKamp Quote  Post ReplyReply Direct Link To This Post Posted: 09 Feb 2020 at 11:09pm
Having the same weight, but at a further distance from center of the rear hubs, will move the center of gravity forward, AND increase the polar inertia, which will be seen as 1) a greater propensity to keep the front wheels on the ground, and 2) a slower rate of pitch (nose up and down) and yaw (swing right to left) under change of traction circumstances.

A longer wheelbase doesn't necessarily mean the center of gravity is farther forward, but it often does, simply because the whole machine is longer.

While a longer wheelbase tractor may be able to turn within the same minimum radius, the outer circle that it swings will be greater, so end-of-row direction change will be more forgiving of the shorter-wheelbase machine.
Ten Amendments, Ten Commandments, and one Golden Rule solve most every problem. Citrus hand-cleaner with Pumice does the rest.
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Points: 34298 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JC-WI Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 2020 at 7:56am
The one thing my uncle had observed on his ground, was the longer wheel base, as in the front wheels being set farther forward from the weight/engine meant that there was not as much weight carried on them as if the front wheels were set back under the engine. Which meant when on soft ground, you got stuck quicker.   That was one of the criterias he wanted when he bought a new tractor, a long wheel base... and bigger front tires than factory issue.
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