Grand L series suspension seat any upgrades

   / Grand L series suspension seat any upgrades #1  

USCG1

Member
Joined
Apr 27, 2013
Messages
40
Location
West Kentucky
Tractor
L3560
The suspension seat that comes on the L3560 is a joke. Is there anything that can be done to keep it from bottoming out? I have it turned all the way up and it still bottoms out. It would be one thing if I weighed 400lbs but I don't l weigh 225lbs. I'm thinking about trying to had bigger springs if possible. I can even ride this thing across my 13 acre field without my neck hurting from the jarring.
 
   / Grand L series suspension seat any upgrades #2  
I put bigger seat return springs to my L4330 and then added a couple tennis balls to my seat. I weigh +275 lbs = there is no seat adjustment for me. :(
 
   / Grand L series suspension seat any upgrades
  • Thread Starter
#3  
I added 4 springs inside the 4 that was all ready there and it helped a little. Each spring was rated at 25lbs so that give me 100lbs more spring action, but it still sucks.
 
   / Grand L series suspension seat any upgrades #4  
I added 4 springs inside the 4 that was all ready there and it helped a little. Each spring was rated at 25lbs so that give me 100lbs more spring action, but it still sucks.
I love mine. I came from the STD L seat and it's no comparison. I haven't bottomed mine since purchasing and I don't think it's on the firmest setting. Of course you a have a few extra lbs on me.
 
   / Grand L series suspension seat any upgrades
  • Thread Starter
#5  
I love mine. I came from the STD L seat and it's no comparison. I haven't bottomed mine since purchasing and I don't think it's on the firmest setting. Of course you a have a few extra lbs on me.

I'm sorry a susension seat that can't handle a person that's 6'3 and 225lbs isn't much of a seat in my book.
 
   / Grand L series suspension seat any upgrades #6  
I'm sorry a susension seat that can't handle a person that's 6'3 and 225lbs isn't much of a seat in my book.
I'm just messing with yah.
 
   / Grand L series suspension seat any upgrades #7  
I'll have to check where mine is adjusted but it rarely if ever bottoms out, I'm 6' 2" and probably pushing over 200 lbs now (if I don't weigh myself I still call it 190).
 
   / Grand L series suspension seat any upgrades #8  
I'm 6'5", about 260 and mine rides low and bottoms out. I put 1.5" square tube spacers between the sliders and the suspension base, helps to get a better position, but still too low.

Need to stiffen up the springs.

Somewhere, somebody knows the specs on those springs. We just need to figure out their length and rate. Then buy some aftermarket that are stronger. (Easier said than done of course...)
 
   / Grand L series suspension seat any upgrades #10  
Not a lot of info regarding swapping out the springs for heavier ones.

I'll take my seat apart again tonight and take some measurements. If successful, I'll share with all of the other larger than normal kubota drivers.
 

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