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Actually you are over complicating it. Measure the thread on the OEM banjo bolt. Thats the only thing you cannot control. Use a caliper or mic and get within .005 accuracy. That will tell you all of those other things. My bet is BSPP with an outside possibility its metric. Dan

An LA525 is a loader. That tube is on the tractor. Dan

My L3901 with R4 = 27". Lots of variables in that metric. Here is a picture of the lift arm at full lift - fewer variables in that. Dan

Another obvious. Assuming the seat switch is NO if you connect the second switch to BOTH sides the original question is moot. Dan

Time to quit playing around and get serious. Cut ths hoses off and remove the pipes from the machine. Clamp the blocks in a bench vise and use a pipe wrench to unscrew the hose fittings. One or more may twist off. If that happens grind the fittings off flush and drill the stubs out of the...

Its more than just sealant. JIC fittings are easier to assemble, create a more reliable high pressure seal, and are more suitable for assembly/disassembly during the course of maintenance. JIC flare fittings are identified by the "dash number" that corresponds to the OD of the tube Measure the...

I think anyone wanting a real understanding of how and why ether has been used as a starting aid on diesel engines should research direct versus indirect injection diesel engine design and the use of ether starting systems. Then when confronted with a cold diesel engine and a can of ether ask...

Extreme Pressure (EP) gear oil has been the standard for automotive drive axles and gear boxes for over a century. There are hundreds of brands and its sold by automotive parts stores everywhere. Look for API service GL4 or GL5 on the label. The Harvest King product is as good as any in your...

I will go out on a limb and categorically state the ports on the yractor hydrauluc outlet blovk are not JIC of any size. The port is most likely BSPP female and the factory plug looks like its probably BSPT. That is a legitimate combination and consistent with Kubota's known past practice. A...

I would use the 3/8" hoses I linked and 1/2" male or female NPT to 1/2" male JIC adapters (2404-08-8 or 2405-08-08) on all the loader hoses. The adapters will effectively be "permanently" installed in the loader pipes with a thread sealant. Do not use sealant on the JIC connections...

Its your tractor. If you want to cut the pipe go ahead. Personally I would take the banjo bolts out and measure the OD of the thread with your caliper. Should be obvious from that. SUMMIT and WR Long make aftermarket hydraulic 3rd function kits here in the US and have no problem supplying...

Nonesense. The ends on the pipes are banjos and the bolts work. All you need is a couple banjos with threaded ends like I pictured. Surely they can get something like that. I am in the USA where BSPP is rare and I can get them in any number of sizes and types in a matter of days.. I am not...

You can use 1/2" hose if you want put its overkill - 3/8" iz plenty and a lot easier to deal with. Here is a power beyond sleeve tgst will likely wofk in your Vevor valve https://summit-hydraulics.com/product/power-beyond-adapter-sleeve-for-p40g-series-summit-monoblock-valves/ It goes in the...

Let me give you a piece of free advice - ask your questions here and not at VEVOR cudtomer support. Yes its British Stabdard Parallel Pipe (BSPP) which is different fron NPT used in this counyry. The threads are not compatible Good news is thats the tank port which is very low pressure so you...

This type of fitting is what you need for that valve - not ordinary pipe fittings from your hardware store.

Ohhh my. Do you know what the threads in those valve ports are,? Almost surely not NPT. I think you better stop right here and get some guidance. From whom did you buy the valve and did the y give you an instruction or data sheet? Dan

There are no dumb questions. We aregoing to need to know more about the valve. Sounds like it might be one of the P40 type being sold everywhere online. Post a picture or teo of the vslve. Dan

OUT on hydrsulic block goes to the P port on the valve IN on hydraulic block goes to the N port on the valve. You must install a power beyond sleeve in the N port prior to making the connection. Did you buy it with the valve? TANK on hydraulic block goes to T port on valve. DSn

Are you trying to use standard individual female couplers to connect hoses to the male tips on the outlet block? Dsn

From my point of view not a particularly compelling idea. The adjustment process is way to limited and cumbersome plus the cost savings are minimal. Ditch the reservoir and ball valves, mount a cheap directional valve in that spot and run three hoses to the tractor hydraulics. No need for...