Traction BX2660 Towing capacity

   / BX2660 Towing capacity #11  
If you run out of power the RPM's will fall. If you run out of traction the tires will spin. What did yours do?/

This has been my experience as well in low range.
Either the tires spin or the engine begins bog down.
 
   / BX2660 Towing capacity
  • Thread Starter
#12  
I hope I was not stupid enough to be in High and not Low.
My ramp is 60ft of 2x4's with around 1/2 inch gaps. Slippery when wet but not so much when dry and its quite a gradual slope.

You are putting the HST into relief, so it won't bog the engine. But, instead of burning something up, a relief valve is triggered and the wheels don't turn.
(how do you do that Originally posted by with the arrow?)

Does this mean that its safe ie not going to do any damage by over working the HST? if so thats a relief (no pun intended).
 
   / BX2660 Towing capacity #13  
Does this mean that its safe ie not going to do any damage by over working the HST? if so thats a relief (no pun intended).
Sounds like you have lots of traction and a very heavy load. Not surprising it's triggering the relief under those conditions. If you had a gear tractor instead of the HST, it would happily attempt to pull until either the engine died or something expensive broke. If you ever watch a tractor pull at the county fair, those are among the most common occurences besides losing traction.

The thing is not going to burn up or break in half if you briefly overload the drivetrain like that from time to time, but it's telling you it's beyond its limit and to back off.

Although I think you are basically overmatching the tractor with what you're trying to pull, I should mention that it's possible for the releif circuits to not function properly, sort of like a clutch that slips. If you see any signs of similar problems in less extreme conditions, you may need to get the dealer to check it out.

P.S. One other thought here: Being that it's an HST, did you understand that flooring the foot peddle is not what you should do? The more you floor it, the higher the "gearing". For maximum pulling power, you want to use the least amount of peddle, not the most. Just checking.
 
   / BX2660 Towing capacity
  • Thread Starter
#14  
I was not aware of the minimum peddle rule... I will be taking her out in around a months time so will bear that in mind. Will probably stick to the winch as the safer option.
 
   / BX2660 Towing capacity #15  
The weight of the trailer in this argument is of no consequence,,,,,,it should stall if your trans is functioning properly and the boat is too heavy,,,,,,or spin,,,,,,you have transmission issues,,
 
   / BX2660 Towing capacity #16  
The weight of the trailer in this argument is of no consequence,,,,,,it should stall if your trans is functioning properly and the boat is too heavy,,,,,,or spin,,,,,,you have transmission issues,,

Gotta respectfully disagree here. Kubota and other well-designed HST's will go into relief before stalling the engine to prevent overloading and eventual catastrophic failure in the drivetrain. That's the specific purpose of the relief circuit and there would be a "transmission issue" if they didn't work like that.
 
   / BX2660 Towing capacity #17  
The weight of the trailer is, in fact, of consequence here as the OP stated he was pulling up a hill so the weight of the trailer is just as relevant as the weight of the boat.

Matt.
 
   / BX2660 Towing capacity
  • Thread Starter
#18  
Well You guys were right! I must have been trying in high last year. In low with around 2800 revs it pulled the boat up no sweat. When it could not cope (the trailer dolly wheel had dug in the ground - at that point it was on a chain not the ball hitch) then the real wheels did in fact lose traction.
 
   / BX2660 Towing capacity #19  
Not surprising it wouldn't get it out in high. I can't even get my BX into my barn in high and its only like a 4" step maximum lol. It needs low and unless I get a running start it also needs 4x4 to get it in
 
   / BX2660 Towing capacity #20  
Well You guys were right! I must have been trying in high last year. In low with around 2800 revs it pulled the boat up no sweat. When it could not cope (the trailer dolly wheel had dug in the ground - at that point it was on a chain not the ball hitch) then the real wheels did in fact lose traction.
Glad you discovered your tractor is performing correctly.
Bet that was a great feeling of relieve!
 

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