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Measuring Hyd. Cylinder

A

Anonymous-0

Well-known Member
I need to replace one of the lift cylinders on my Freeman loader. A previous owner tried to weld a cracked cap but it leaks bad. I see Northern Tool has cylinders. How and what do I need to measure to match my cylinder. Also how do I determine the PSI? Does anyone know of other suppliers and where I can get the seals or packing to rebuild the other cylinder? Thanks
 
I know it cost more but if these two cylinders work in tandem then replace both with same brand and size or you will have big trouble.
Or get one from the dealer to match your other one.
Walt
 
You guess at the piston diameter by the outside diameter of the cylinder. You measure center to center distances on the pins closed and open. The difference is the stroke. Many load cylinders have special ends compared to farm implement cylinders.

Baum Hyraulics in Omaha carries parts, like ends. I'm sure other hydraulics stores like Force do too.

Gerald J.
 
My old Freeman loader cylinders didn't have a piston, at least what I would call one. The cylinder rod was around 1 1/2" diameter, and the tube was about 3" diameter. You pumped the oil in and it forced the rod out till it hit a kind of split ring stop (to keep the rod from shooting out the end). Cylinders were one way of course. Had packing around the shaft, and a flange that you occasionally had to tighten.

Kinda surprising that it would lift a round bale pretty easily.

Paul
 
A tractor trailer repair shop should be able to get you a new cap for your cylinder or any construction equipment dealer.
 
surpluscenter.com and baileynet.com are a couple sources. As far as psi you tractor probably won't be over 2500 psi and most cylinders are usually rated to 3000 or better. Older tractors are anywhere from 800 to 2200 or more psi.

Measure the OD of the cylinder and the rod. The stroke measurement was already described. Also note where the hyd lines connect. The connections might be in straight line or ofset depending upon how your lines hook up especially steel lines. Also might be hard to find the same stroke leaving your loader cockeyed.
 
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