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Running synthetic oil does not solve the turbo problem. Does it help because it can withstand more heat? Possibly. Does Kubota require or recommend synthetic engine oil? Nope. The problem is that the turbine wheel bearings on both the hot and cold side are lubed with engine oil. When your engine...

I think Dave is correct. I have a B2920 which is essentially the same tractor you have. I do not have the backhoe but I do have the 60" belly mower and routinely put a 500lb flail mower on the back. I installed 2" Bro-Tek aluminum spacers last year and have added another 100 hours of mowing...

A JD 710 is a significantly larger, heavier, and more powerful machine than your 2501. I'm quite surprised it couldn't move the bales but you could. Perhaps his old JD has some mechanical or hydraulic issues. That said, the 2501 is a pretty good machine. The pricing is good, because it falls...

Mine is kept in a "tractor port" which consists of treated 4x4 posts supporting 2x6 roof rafters, fully shingled, with a decent pitch. The floor is sure-pac and gravel. My garage is not large enough for any of my tractors except maybe my B2920.

I don't have a 2501 but I have a B2920, L4310, and MX4800. My B2920 has a a D1305 1.3L engine fairly similar to the one in the L2501. It has about 500 hours on it, and most of those hours are at wide-open throttle. Aside from increased noise and fuel consumption, don't worry about running at...

Neat truck!

I believe he’s talking about a modern Powerstroke 6.7...they have the same displacement as a Cummins 6.7. The Ford 6.7 has a DPF as well and won’t smoke.

I have a 6.7 too...on my 4th one. Great engines. My new Kubota MX4800 has a DPF and does not smoke either.

Well, mines a GST with a foot throttle. The little smoke puffs are most notable with a stab of the foot throttle. I will try the biocide and some injector cleaner. What injector cleaner do y’all recommend?

I run my tractor 5 days a week, 5 or 6 hours a day for a month straight and then it sees occasional use for a couple of months, and then it gets run a month straight again. The fuel is pretty fresh that goes into it. Maybe sits in my transfer tank a couple of weeks. Other tractors are being...

Thanks guys. I was thinking of putting some additive in it. I think what’s abnormal is that it never used to do this.

So I have a 2002 L4310 with 620 hours on it. It’s used for flail mowing. The tractor would always let out a quick puff of dark smoke upon startup. No problem. Now it’s letting out a puff of smoke when I stab the throttle pedal or quickly increase the hand throttle. The smoke might have hints of...

I try to always help. It's one thing if a neighbor is well off and can easily afford to hire someone and simply wants to use you for free labor. It's another if someone doesn't have a lot of means and cannot afford to hire it out but needs to get it done. I like the barter system...I'll help...

Thanks for the link, Dick. I think it is a do-able job. Should I replace just the top leaking seal, or the other seals inside? What is your opinion of the L4310? From your other thread, it seems you think the older Kubotas were better? Interestingly, I have a 2013 B2920...much smaller, but...

I have a 2002 L4310 which is suddenly leaking a decent amount of oil out the left hub. Two questions: 1. What fluid should be put in here? Do you fill it at the rubber plug on the axle? 2. How hard it disassembly and replacement of the seal?

This is likely what I'll do as well. I've already bought an inline fuse kit. The B-series wires were small but the fuse is listed at 20A. I'd be amazed if those small wires could handle 20A.

OK, so my 2002 L4310 with 525 hours still has the original "GX" battery. It is starting fine, but I was doing some checking. The negative cable seems to be extremely stiff...like maybe all the copper inside is badly corroded? Is this normally this stiff? The positive cable feels very normal and...

So, I've mounted 3 LED work lights on the ROPs bar of my L4310...but I cannot find the "work light" circuit. On my B2920 it was located right under the right fender...just two bullet plugs. I see nothing like this under either fender of the L4310. There is a "Work Light Circuit" labeled in the...

Anyone have a B2920 / 2620 / 2320 series of tractor? My 2013 B2920 instrument panel lights up very nice...except for the gauge needles. So it is kind of useless. Are the needles supposed to light up when the headlights are on? I have this tractor since it only had 24 hours on it and the needles...

Good to hear. How many hours are on your GST tractor?