BX-Wheels will not spin-Normal?

[Mike_Lipke]

Thanks for the reminder on the parking brake.
It was not on, however. When it is, that tractor won't BUDGE!

 

[HomeBrew2]

Won't BUDGE !? That's a comment not heard often on this board, at least that I can remember. The BX is notorious for it's ability to be driven with the brake engaged. ... any chance the previous owner adjusted the brake linkage to the point that it is making the brake drag all the time?

 

[Mike_Lipke]

Dunno.
But you can bet it will be checked this week-end.
Thanks.

 

[BX1]

I have a BX1500 w/~30 hrs. on it. In 4lo pushing limbs into my burn pile it. When the tires start spinning, thats usually my indication to stop pushing. Clay soil, St. Augustine grass. Industrial tires (not turfs, not lugs). To be honest I dont recall if I'm using full throttle or not when I do that. Now on the other hand, where I park my tractor, I have to drive up onto a 3"-4" slab. The only way to get up there is 4lo about half throttle. In reverse, about 3/4 throttle.

 

[art]

Have been able to load a loader so that the wheels wouldn't spin in low but it does take a lot. Normally high range is the weakest and won't spin even when you might expect it to.

 

[bikemiser]

Since spinning the tires is wasted energy and is hard on tires, as well as other things,I would think that a well setup tractor would have the pressure relief valve set to not do wild spinning under normal conditions. I know it is a man thing to be able to dig big ruts with all 4-tires at any time. I don't think it's a lack of HP. Kubota has done adequate testing and know what they are doing. Just my 2 cents.

 

[ericbx1500]

Mine have spun (one wheel) in dirt but never encountered a situation on grass /forums/images/graemlins/tongue.gif

 

[TobyH]

I usually can spin 3 turf tires as well with my bx2200.

Maybe a fluid and filter change are in order. My performance improved noticeably after I changed the hydro fluid.

 

[grandad]

I'll second the comments about keeping engine rpm's up. When I bought my bx2230, the dealer explained that the hydro pump on the bx series does not put out much flow at lower rpm's. Basically, they are meant to run at full throttle or near to it.

That's supported by my experience with the loader and 3pt, both of which are sluggish until you goose the throttle.

The comments about feathering the hydro pedal back are also right on.

My 2230 will walk up a standard street curb like it isn't there, pulling a load... don't ask how I know this.

Although the BX is much heavier than a lawn/garden tractor and will not be as prone to wheel spin, it does sound to me like your 1500 is on the sluggish side. If you have a hyd. problem or something binding the drive train, you should see the hyd fluid getting real hot under load. Any signs of that?

 

[Mike_Lipke]

Thanks for the response, and the tips. This weekend I will check it all:Brakes, RPM, fluid temp. I may have only had the throttle up to 1/2 or 3/4. I really think the brake was totally released.
I prolly did not have the throttle wide open. I will check all of this and post Saturday or Sunday for those interested.

 

[guyrj33]

My B7800 has an I for implement on the tach at a point that is about 80-90% of full RPM. If I run at a lower setting there is a very noticable drop in power.

 

[David_G]

BX23. She will regularly dig holes with the rear wheels. Have to go back and fill them in. Bar tread.

 

[kevincook]

As others have suggested, try this again with the engine at PTO speed or slightly higher. This should make a big difference. I'm a little puzzled by the engine not bogging down if you depress the HST peddle. On my L3010 it will slow the engine right down. Maybe the design of the HST is different on the BX machines. Can you other BX owners comment on whether your engine will bog down or not.

Thanks,
Kevin

 

[Mike_Lipke]

My dealer finally called back. He wanted to test another BX1500 to see how it acted. He took one with 250hrs hooked it up to a big old heavy tractor and used the 1500 to pull it into the shop. He said if he tried to go too fast, the wheels would spin-or the engine would bog down. This was true at anything 1/2 throttle or higher. He thinks there is a valve in the HST set wrong, defective, or with a chunk of something in it allowing a pressure bleed off. "Bring her back, and we'll fix it". I'll post an update when we find out what is found.

 

[RayH]

If I have my BX23 in high range going up hill or pushing/pulling a load, the engine will not bog, forward motion will just stop, no spinning or anything, it just stops moving.
In low range and at least half throttle the tires will spin before it either bogs or stops moving. My land is basically on the side of a hill so my BX doesnt see high range at all.
Actually, I have yet to hear the engine "bog". The tires either turn or they dont. The engine RPMs stay roughly the same.
This is my first HST tractor, my last one was a much bigger (3130) GST. It would bog in the higher gears but with some throttle would spin the tires easily in the lower ones.
It seems that with the HST, you just set the throttle as high as youre comfortable with and use the pedal to regulate how fast you need to move.

 

[RayH]

I think Ill go out and play with the BX today to see if I detect any "bogging" in the engine. I dont think mine bogs that much, maybe a little, it just stops spinning the tires.

 

[Volfandt]

I have bogged my BX23's engine down when digging into a pile of dirt in Hi range too many times. It's my reminder to shift back into low range when digging. /forums/images/graemlins/grin.gif
I've also spun the wheels on many occasions, especially in wet grass or loose dirt and especially in mud. When in mud if the wheel lock doesn't get me out then I go into 4wd.

I've rarely spun or bogged down in low range, it just tractors on /forums/images/graemlins/grin.gif

Sounds like your dealer has a good handle on it.

Good luck
Volfandt

 

[Killer_B]

Mike,

My old BX2200 was exactly the opposite. With bar tires in 4WD low range I pulled out a few old stumps with a strap hooked to the tung. Either the stumps would pop out, or all four tires would spin (using the diff lock). This was on hard clay with pretty good traction, and the FEL on the front. She did grunt and make a little smoke, as you would expect. My B7610 is the same way. ALL the power goes to the ground.

Best regards,

KB

 

[RayH]

Are you all saying that the engine bogs down, as in the RPMs drop off to the point that it sounds like it may quit running? Or are you saying the whole tractor bogs down in that it stops moving?
I thought the HST supposedly keeps the engine from bogging sorta like an automatic tranny in a car (I know that internally they are nothing alike).

 

[Mike_Lipke]

KillerB: Your description is what I would expect out of a tractor whether it be 5 hp or 500. The engine should have a good "hook-up" to the wheels: either the load move, the tires slip, or the engine is drastically slowed down. My engine runs almost full speed, tires don't spin, load doesn't move.
I think that only 2 of the above 3 things should happen at once. If all three are true, there is a problem.

RayH:
I'm saying that the tractor "wants" to move, but doesn't. Engine drops maybe 5% in rpm's at most, but load does not move, wheels don't spin.
Seems like a loss of power somewhere between that cute little engine and the tires. Sort leaves me thinking its the transmission (HST).
We'll find out.