Hydraulic hose and fitting sizes mf40b with mf34a loader

I have quite a few old hoses that need replacing but the machine is still operational & if I can avoid tearing apart the hoses to size them, that would be great.
I'm looking for the id size of the hoses and the thread size for the hoses for the bucket hydraulic cylinders to the lift valves.

Any assistance would be appreciated.

Thanks!

2 wire hose dimensions are easily found online. The OD will give you a clue as to what the ID is. Should be on the same specification chart.

Fittings vary. JIC, SAE, NPT,,,,,,,,,,,,,,,,,,,,,,,,, Look at the fitting, and compare it to online pics of different types. Or take it apart, and go to your local parts dood. Thread size varies, but should be pretty obvious if you just look at them. 3/8, 1/2, being the most popular.

Rather than giving someone the sizes/charts/pics, I think it's better to find out for yourself. It's a good educational process.

Googly Ooogly it.

One problem with trying to tell you about the info for the hoses on your machine is that over the years hoses and sometimes related fittings get changed to what was available when on failed, so what the book shows may not be what you need, and you do not want to buy a bunch of hoses that don't fit. You will likely get some who suggest going to a place like Surplus Center and getting generic hoses and adapter fittings. That will work if you know what you need for adapter fittings to match your cylinders, valve, and tubing. In time you will learn and that may be an option, but I don't think that is your best route at this time.

From looking at the parts book for a 34A it appears the originally used 1/2" ID hoses. It also appears they used some ORB (O-Ring Boss) fittings and some JIC fittings for hose ends. The book doesn't tell the actual sizes.

As farmersamm posted you are going to have to study and figure them out or remove and take to a shop to be matched up. a web search of hydraulic fittings and hose ends will get you a number of charts and other information. You could check the end fittings of all the hoses and see if they look identical (you may have two different type ends on a hose). Try wrenches on them and see if the same size fits the same type ends on all the hoses (there are charts for some hose fittings that give the hex sizes). If they match, remove one that is easy to get to and take it to a shop that makes hoses be duplicated. The shop can tell you the type of end and part numbers they used to make the replacement hose. You can then use that info to have other hoses made ahead of time by giving them an end-to-end measurement and the fittings to use on each end.

Surplus Center does have charts, diagrams and specs of the various fittings, in their catalog. I haven't looked online lately, but their hardcopy catalog has it. I think Mcmaster Carr also has the info on their website. And like Farmersamm says, it's best if you do the studying, then you'll have the knowledge base. steve