1800A gas - rev up to lift disc mower?

Anonymous-0

Well-known Member
I got my 9ft vermeer disc mower on the back of the 1800...works fine, but to lift the cutter bar vertically for travel, I have to rev up the engine pretty high for it to raise...some say I have may have dirty hydraulic oil or filter...others say it is the nature of the beast?
Thoughts...
Thanks Reaver
 
My guess is that your hydraulic pump is getting weak. My all-time favorite tractor to ever run was our 1800 series A gasser. Wish we had never sold that tractor.

Ours had a Speedco aftermarket wide front end on it. Power steering pump was a continual problem leaking. My dad rebuilt the system once but the fix was shortlived and leaking resumed. Dad simply kept system topped off daily. However, Grandpa would put neighborhood idiots/drunks on it who would never check the fluids. Anyway over time the idiots running it low on hydraulic oil took its toll on the pump. It got to where we had to rev it to lift discs and plows.

You might try changing the spin-on hydraulic filter which is under the operator platform (it should be pretty easy to see). Maybe you get lucky and it is plugged up. Otherwise tractor is 53 years old so rebuilding the pump is likely due. Or leave it be as long as it works. If it was me, I would change the spin on filter and see what happens. Likely to only cost a few bucks.
 
Well have you put a gauge in the circuit to see what kind of pressure you have? The 1800 A & B series have a lower pressure than later tractors/
 
I noticed what looks like filter kinda under the gas
tank area...is that the hydraulic filter you are
talking about? I did not see one under the
platform...unless u have to remove the platform to
see the filter?
Thanks Reaver
 
Its been over 20 years since I last saw our 1800A so my memory is foggy. Ours had a spin on filter (turned sideways and I think it was under the clutch pedal area). Removal of the platform was not required to change it. Ours was an open station, maybe the cabbed tractors had the filter in a different spot.

Regardless, follow your hydraulic lines. A spin on filter attached to a hydraulic line can not be that hard to find.
 
The hydraulic filter is on the left side of the hydraulic housing. It is cast iron and take a 1-11/16 wrench to remove the can the filter is in. The filter under the platform would be the filter if an oil pump was added (as a field kit) to pressure lube the top shaft in the transmission.
 

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