kubota L3901 use

   / kubota L3901 use #1  

lilburr

Member
Joined
Mar 26, 2013
Messages
47
Location
carolina on the banks of the savannah
Tractor
fordson, john deere
This is kinda long ...

I am in the market for a compact. Since the market is as it is, I have not bought yet. Not only is the pickins' slim, the price asking is not practical, and it is non-negotiable too.

So I rent for maintenance on my property (15ac) from our locally owned equip store. This is not the national type equip rental place, this is a local farmer/feed store/logger/haycutter family that opened a tool rental place.

My first usage of a 'modern' type tractor as I'm used to older iron; a Kubota L3901 with FEL, HST, and less than 200 hrs. This is two-fold as I can now judge things first hand.

First off, I always figured with my application of tractor use, HST would be not preferred and another possible expense. My use primarily is 1,000 ft drive that is on the side of a hill, going down thru a bottom, across a creek to dirt road. This maintenance has become fairly constant on the filled over culverts 'bridge' across that creek. Typical Ford3000 type and boxblade, mainly working surface while going down the hill. I do not see seriously working this grade uphill. Other uses are to clear small areas around homesite ect. No real farming.

First the HST. Wow, this is so easy, I would never have imagined. But the whine ! Learning here, I adjusted throttle slightly and the whine varied slightly. But dang, it just don't seem right for a newish $25k or $30k 'workhorse'.

Second the emission purge (or whatever it is). I received this rental with 192hrs. so @ 200hrs, the dashlights started blinking. Again, from learning here, it was no real shock; called the store, they said idle it up to top RPMs, and let it sit for 30 minutes. I did and the dashlights were gone when I mounted back up.

Now the most important discovery and flaw with this L3901; the three point hitch and 'swaybars' (as the rental guy called them) as it pertained to my 6ft boxblade. Any work in a just slightly uneven grade (like the crown on this driveway) and these extra bars hooked up to the three point connection would rub against the tires. These were not typical tractor tires, they were the 'industrial' tire low wide profiles. To the point of not really being able to work this dawg like I needed to. Again, I rented from a local guy and insurance for rental was not discussed much less used, so I can't take that kind of chance on any piece of equip, much less not my piece. So anyway, I could not really complete some of the grading like it needed.

Other than those points, it was a nice, small framed unit, I moved 40 tons sand/clay, 20 tons riprap and cleaned out my drainage chutes on driveway fairly nicely. Power steering is real nice. Easy on the fuel. 4WD is nice. Starts right up. Comfortable enough to where I could work on it til lunch, then come back out and do 2 or 3 more hours in evening (I'm 65 and not used to tractor work).

Hope this helps and I wonder if it was a L2501 or a little lesser than the 40hp, would the results be the same.
 
   / kubota L3901 use #2  
If you are rubbing on your tires, how much slack do you have in your chains for your three point? How much side sway do you have when the implement is pushed left to right?
 
   / kubota L3901 use #3  
The HST whine mechanically can't really ever go away so it is what it is.

For all of my regen's I just idle it up and keep working, I never do parked. Mostly because I'd be too nervous it will overheat and kill itself or catch on fire if I'm not watching it.

The sway bar issue doesn't sound right. I'm assuming the implement has CATII dimensions which will be part of the problem but you should be able to tighten down the sway enough it's not slopping around into the tires. Other part is the L39xx is a pretty small frame, stepping up to the MX you'd have a lot more room and price is very comparable.

For 1,000 feet of driveway you might be able to get by with a 25HP tractor but if you're going up a grade I'd sure want more...and more weight.
 
   / kubota L3901 use #4  
My L2501 has been an absolute rockstar in everything I have put it through. I love this tractor. One thing that it does struggle with is heavy PTO loads. It will bog in very heavy grass mowing (brush cutter or finish) and I sometimes wish I bought the 3901 for the extra PTO power. In all practical purposes I think the L2501 is probably close in power to the L3301 so I don't see much benefit in jumping 8 more HP.

Of other notes:
- The gear drive L2501 has a live PTO, not independent. Meaning when you step on the clutch, the PTO stops. The gear drive L3301 and L3901 have independent PTOs.
- The HST whine is less when in lower gears and higher rpms. A member here posted about HSTs running cooler and lasting longer by ensuring they "flow" the most for any task. So lowest range possible with as much pedal as possible for the ground conditions. So if you can do a task in Low, at full HST pedal, its better for the transmission that in Medium range at half pedal. Makes sense to me and results in less whine.

The sway links when tightened up should not contact the tires unless very loose (allowing the box to move a foot or two left/right) or if the pin location on the box causes the links to be angled out towards to the tires. With Cat 1 implements, the sway links should be straight back or 90 degrees from the rear axle.
 
   / kubota L3901 use #5  
My L2501 has the ag tires (I think they're called). The rims have the capability of being set for three different widths, widening the stance. Of course being 25 hp it does not regenerate. It uses the same front loader as the L3901 as I think it's the same frame, just a bit less power. If you opt for the HST you'll get the whine. It varies by which range is selected and how hard the tractor is working. It really shines in jobs requiring a lot of forward - reverse action. I like it for mowing as I can change my tractor ground speed without changing engine rpm for the PTO. If the whine is a deal breaker get the standard transmission.
 
   / kubota L3901 use
  • Thread Starter
#6  
yes, far as the 3 pt and tire rubbing, I hooked it up as I have always, the extra arms were attached and pre-set in a position. I actually dropped the boxblade supplied on tractor to use mine. It was huge and I was more familiar with mine. It had some swing but not tire to tire. It was probably used and abused part of a rental unit.

The whine was not unexpected as I've heard about it here in comments. The HST was a pleasure instead of snatching gears each time I got a load. I kept it in low while using FEL because of the weight and the care I had to take while working around creekbanks and stuff. I used medium range while dragging boxblade some of the time, except when first grading, I crawled while cleaning the ditches. And these aren't a deep ditch, just establishing a gentle crown.

I never left the tractor while re-gen just got off it and sat in the truck.

never even cut the PTO on and when I own, I will only for occasional uses, no hogging, no pastures.
 
   / kubota L3901 use
  • Thread Starter
#7  
... and I cannot find the first (of several) photos. I thought i transferred to my Drive program and they are not there. (dammit)
 
   / kubota L3901 use #8  
I have an MX5400 so can't speak to some of the things you mention. On the HST whine, well, I'd wear hearing protection on any tractor, and once you're there, the whine is pretty much moot. As for the emission purge, I've only had two that I noticed in 70+ hours. I just continue working, upping the rpms into the 2000+ range, and it's done in 10 minutes or less. Not an inconvenience at all. I don't run at particularly high RPMs either when I'm doing lighter work.
 
   / kubota L3901 use #9  
As others mentioned, first no need to stop working during a regen. Just keep rpm high and keep on doing your thing. Basically you can ignore it completely.

Sway bars, there is some ability to tighten the chains as mentioned, but if the owner put some ridiculous wide tires on it...may not be anything you can do to fix it. HST whine you get used to. I dont even notice mine anymore.
 
   / kubota L3901 use #10  
For a couple of decades I got a LOT of work done on my 75 acres and 3000' driveway with a 29 horse L2550DT. It also fits for cleaning the barn.
 

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