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[RSI]

I am wanting to put a forklift mast on the Toolcat for unloading heavier stuff but I am not sure how to connect a single acting cylinder. Is there any way to do it?

[willieG]

I think you would need a single acting valve to go with your mast

[RSI]

I need to run it off the aux hydraulics.

[mlappin]

Is the Toolcat a closed or open system hydraulic system?

On out tractors with closed systems you don’t have to do anything, just hook the single hose up and use as normal.

On our open system tractors (gear pumps) its just easier not to.

If worst comes to worst on your toolcat hook up as normal and you may have to plumb in a separate normally closed valve to lower the mast when it opens, may have to add a inline restrictor in that circuit so it just doesn’t drop full speed.

[RSI]

I am not sure if it is closed or open. It is most likely the same as most skid steers. I would possible use this on skid steers too.

[mlappin]

If it’s the same as a skid you should just be able to hook your single hose up and use with no modifications. Does the owners manual say anything about single acting cylinders?

Something else to consider, will the Toolcat have an large enough reservoir to supply enough oil to a single acting cylinder?

We have a 65 foot grain auger with a single acting cylinder to raise it, our older tractors with open systems have to have the hydraulic reservoir overfilled by a quart so they don’t suck air about time the auger is almost clear up.

[RSI]

Won't it be running pressure through the relief valve while lowering if you just connect one hose? The control is electrical if that makes any difference.

I will have to check on the fluid capacity. The hydraulic system is probably the same as Bobcat skid steers about the same size. I think the max is 3000 psi and 27gpm

[CRJR]

Could you plumb another line to a 3 way solenoid valve with a case drain. Then use quick Connect's from new line to the mast then add another auxiliary switch to run the valve.

[CRJR]

My brother In law said he has built equipment attachments and ran them on only one line of the auxiliary hydraulics. It should apply pressure out to the cylinder when switched on and just open with no pressure when you turn the switch the other direction. But he is not familiar with a tool cat plumbing. I would think this would be petty easy to tryout.

[RSI]

Could you plumb another line to a 3 way solenoid valve with a case drain. Then use quick Connect's from new line to the mast then add another auxiliary switch to run the valve.

I thought about that but the skid steers it would be used on don't have case drain connections. Would that work ok to use the case drain on the toolcat?
I think just a tee in the line and a 2 way solenoid valve would work, wouldn't it?

[RSI]

My brother In law said he has built equipment attachments and ran them on only one line of the auxiliary hydraulics. It should apply pressure out to the cylinder when switched on and just open with no pressure when you turn the switch the other direction. But he is not familiar with a tool cat plumbing. I would think this would be petty easy to tryout.

I am sure it is the same as other Bobcats. Maybe I will have to just give it a try. Will either connection work that way or do you need to use the right one?

[RSI]

I just read your reply again. What you run the hydraulics the other way, there will be pressure against the unused coupler. How do you prevent that? That can't be a good thing can it?

[CRJR]

I just read your reply again. What you run the hydraulics the other way, there will be pressure against the unused coupler. How do you prevent that? That can't be a good thing can it?

Ya I was just thinking about that I'll have to ask him.

[mlappin]

Shouldn’t bother them, even though they are zero loss couplers same theory as the Pioneer quick couplers all out farm equipment uses, having pressure on em won’t hurt em.

If it’s the same as a skid steer I’d just hook one hose up and run it and see what happens, it should work as a closed system once it sense pressure on the circuit that’s not hooked to anything the pump should shut down as it’s reached the cut out pressure.

All our tractors are pressure compensating systems on the newer/bigger ones and we run single acting cylinders on all of em at one time or another.

If nothing else call the closest Bobcat dealer and ask em.