Tractor Stability on Hills

   / Tractor Stability on Hills #31  
If you think of the downhill tire as the fulcrum (pivot point) , it's only when the c.o.g. rotates beyond an imaginary line straight up/ plum from the fulcrum that the tractor tips over. (Simplified).
 
   / Tractor Stability on Hills #32  
02wv003e.gif
Figure 5. The tractor on the left is operating on a level surface. The tractor on the right is traversing a hillside much like the tractor was in this incident. When transporting an elevated front-end load on level ground there is no C.G. shift to the side and the C.G. remains within safe limits. When transporting an elevated front-end load while traversing a hill, the C.G. is more prone to leave the safe limits of the tractor's stability baseline. Once this happens the tractor begins to roll. The higher and heavier the load, the less the land needs to be sloped for a rollover to occur.


NIOSH FACE Program: West Virginia Case Report 02WV003 | CDC/NIOSH
 
   / Tractor Stability on Hills #34  
Nice illustration, bcp. If the cog is below the axle, the roll over point is way way beyond anybody's pucker point.
 
   / Tractor Stability on Hills #37  

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