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Hi OB1 You're going to have to explain those charts you sent some! What do you refer to re "return filtration"? Do your aerials mostly use Closed center systems with a charge pump? Ed

I think this would make a great article too. needs some captioning alright but I bet anyone who has ever worked with one of those awkward buggers will appreciate what you have done. And it will be much safer too. those things are always looking for a chance to squish you somewhere! ( can't you...

Very nice! should help putting it back on too. those can be a SOB to work with.

I don't think having the flow combined is as much of a concern as forcing the 17 gpm through all that hose and fittings to your hammer and back. After all, Kubota already have it combined in the return line to tank. all of the oil has to make that trip anytime you are running the tractor. It...

You wrote in your first post that the flow rate for the hammer is 4 -10 GPM. Your hammer will work OK but you'll usually want to run your hoe at faster than 1500 rpm, that is when you will back up your hydraulic pressure. Ed

I'm happy it is working for you but you still haven't got it quite right!;) The problem with the circuit as you are using it is that you are forcing the combined flow from both pumps to travel through your attachment. The flow of the two pumps are, ( main pump 11.07 gpm) and (swing pump 6.18...

You are right pat331, the problem could be either or both final drives. They are simple spur gears so the load is concentrated on little more than one tooth! The B21 and the L35 are similar in design and construction but the only part that will interchange between them is the oil! Ed

On the L2800-3400 tractor your foot clutch is the PTO clutch! Do not crunch the pto lever into gear on these tractors without declutching. It will last a while, but you will be creating work for me! If you have a DT model then you don't have any live or independent PTO. If a HST than when the...

Hi mrsmith The GST transmission is basically just a standard transmission, fully synchronized, with an automatic, hydraulically activated clutch when you move the shifter to change gears the clutch is released and then reapplied somewhat like the old VW automatic. They have been very...

You are somewhat right but not exactly. The hose you see under the platform that has the green tape on it is power beyond and is now directing the oil from the loader valve back to your three point hitch. you cannot get along without a remote valve but there probably is one on your splitter and...

Most Hydraulic filters for the suction side are about 25 micron. You can go a lot finer (10 or even 5) if you are filtering the high pressure side but you don't want to restrict the oil flow to the pump any more than you can help. 25 is WAY better than most screens! You Can also filter on the...

Hi Friends Here is a link to a site where you can buy and download Kubota manuals.http://www.usaplaza.com/camrose_dynamic/kubota It happens to be the dealership I work for! :D We also can sell and ship anywhere any part that Kubota supplies. Check us out! Many (most!) dealers mark their parts...

An excellent topic Milo! The older Kubota tractors have limited filtration capacity due to the simple screen Kubota used. More recently they have done exactly what Milo suggested and incorporated a inline spin-on type filter, which is not only able to filter much finer particles but has a much...

You will have to remove the TPH housing. probably what you mean by "trumpet housing"! Some folks call it "the frog" around here! It's not that hard to remove but you cannot repair anything from there if it is broken, though you'd be able to see if the diff is OK. We have hardly any trouble with...

Hi OB1 No limited slip clutches in any Kubota that I know of, they all use a sprag clutch which locks one pinion shaft to the carrier. That is a B21 so it likely has a backhoe on it, the best jack and stands system I ever saw for checking out the rear end. They ARE built very beefy in the...

On your valve if you look closely, near each of the ports you will find a letter cast into the valve "P" for pump, "T" for tank, and "PY" for power beyond. However you plumb it you need the oil to come out the "PY" fitting, go to the pump fitting on your remote valve and return from the "PB"...

Hi, Did you get the RTV900 running the way you want it to? Ed

One thing that will cause some popping and snapping on that vintage of B tractor is the wheel fitment to the hex axle. Check that the locking bolt is tight.

You can probably tell I'm not very busy in the shop! Things just plain went dead here a the last couple of weeks!

You can do what you like but I wouldn't recommend stumping that machine and seeing how much rubber you can peel off! If there is something broken in there the next pop and snap may be a couple of gears finding their way out the bottom of the...