Go BottomB6200 with 1640 loader
 | Brian Jones
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2003-04-07 52750
I just brought home my first Kubota. It is a B6200 HST 4X4 with a 1640 loader. It has 409 hours on it.I was wondering if there is a steering problem or if it is supost to be real hard to steer when it is not in motion? Is there any type of power steering and if it is equiped with it what should I look for? Would it have a pump like in a automobile? Also the bucket liftes somewhat slow. It tilts at a good speed and naturally lowers fast but going up is slow. Is there some thing I should look at?
Thank in advance.
Brian
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 | WillieH
Join Date: Feb 2003 Posts: 543 New England 
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2003-04-07 52759
Brian Jones -
Congrats' on your purchase.
Your questions (1)steering problem...This series compact tractor did NOT come with power steering units. What orange did offer, was an add on option which was called power assist. It really did not offer much more ease than the units without, so consequently not many were sold this way. Is it suppose to be hard steering, sitting motionless?, it sure is, especially if your tractor is equipped with turf tires as they offer much more surface area than ags or R4's.
(2)Pump? No. What the PS Assist option consisted of was an add-on cylinder tied from the front frame to the steering linkage, allowing a smoother glide, if you will, of the steering motion. (3) Slow motion up lift. As you have stated, this is a HST unit. The HST units all operate on a priority flow design. Thereby, the tranny is designed with priority flow of hydraulic fluid over the 3pt, which is designed to have priority flow over any secondary attachments such as a FEL. The priority flow concept, is designed to satisfy the tranny with as much hydraulic flow as possible, to keep it lubricated during operation to keep it from running dry, and consequently burning up. This design is still being utilized in todays units. Have you increased the rpm's to see an increase in pump output to the FEL? If so, what were the results. Were you merely "putzing" along in low rpm as you tried to lift the FEL? Have you tried to lift the front of the tractor off the ground using the hydraulic action of the bucket? If you can do this, chances are your pump is fine. Have you checked your hyd. fluid level? When was the hrd. filter changed last? A dirty filter will cause a diminished flow of fluid to the respective chambers for proper operation. Lowering the FEL is NOT pumping fluid, it is merely allowing fluid to flow back into the unpressurized chamber/reservoir of the tranny.
Let's here back on a few points in question, then we can go deeper.
Willie H. ....
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| TomG
Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley 
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2003-04-08 52768
I have the same situation with my Ford 1710. Its power steering really is more like power-assist. If you carry weight on the 3ph it will lighten the steering and so will higher tire pressures especially with turf tires. Tires do have load ratings that give max working pressures but a dealer may say that running higher pressures is OK.
If the tractor has 4wd, higher pressures may make the 4wd hard to disengage which is a sign that the front drive is receiving abnormal stress and that the pressure trick is being overdone. If tight maneuvering with heavy loader loads is needed, break steering helps a tractor come around in a turn. If I'm stopped with the wheels cramped and a heavy load, it's not uncommon for me to lift the wheels with the loader bucket to make the steering easier. Anyway, there are tricks that help a person to cope with puny PS.
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