Loader ZL-20 Hydraulic Fittings

[smince]

I'm replacing the loader valve for my ZL-20 loader. I've got all of the hydraulic fittings worked out and am making my own JIC female hoses using reusable ends, up to the point of the hard line connections on the boom. Reading through previous posts I know these are some type of "old style" or "new style" metric male ends on the hard lines. I haven't removed a hose from one yet to determine which style, but I'm assuming "old style" since my Jinma 254 and old POS block-style loader valve are both 2005 year models. I would like to adapt the hard line metric male end to a 3/8" JIC male.

I have probably overlooked it but I couldn't find where anyone has positively identified the type of male metric fitting on the "old" and "new" style hard line ends. The answer is typically "buy the valve upgrade kit that Ranch Hand Supply sells." But, I've already got a nice American-made valve, bulk hose and all the other fittings. Another answer someone came up with was to weld the old hose fitting onto a JIC adapter, which is functional but like my rusted-out factory valve, not very pretty. Discount Hydraulic Hose has a variety of female metric to male JIC adapters, but I'm not sure which one to get. Any insight out there?

 

[Rich Waugh]

The year of your tractor/loader/POS valve doesn't necessarily mean much when it comes to old versus new-style fittings. You have to look at them and match them to the photos on RanchHand Supply's website. Ronald has the fittings you'll need to adapt from the OEM Chinese face-seal fittings to JIC or SAE, I believe. On the page where he has his aftermarket loader valve he also has the pictures of the two different style fittings. After checking them against your hard lines,/hoses, if you have any questions just call Ronald - he's a really helpful guy who will get you set up with what you need.

 

[Smalljobs]

I highly recommend these fittings from Ronald. See my thread at http://www.tractorbynet.com/forums/chinese-tractors/223303-hw04x-bh-hose-connection-problem.html.

I bought two of Ronald's fittings and then used reusable ends. They are high quality and work perfectly!

 

[smince]

Thanks, Steve and Rich. The adapters from Ronald look like exactly what I'm after. I'll pull off a hose end and give him a call. Out of curiosity I'd still love to know if it's some sort of standard metric fitting or something proprietary from Jinma.

 

[Rich Waugh]

It is not proprietary from Jinma - it is standard, but standard only in China. Virtually none of the online hydraulic parts suppliers have the Chinese face-seal fittings/adapters in stock. That's why we recommend Ronald, as he has found a source of supply and carries them for all of us.

 

[Smalljobs]

I use 3/8 SAE 100R2AT Hydraulic Hose from here Field-Attachable (Reusable) Hose Fittings > Discount Hydraulic Hose.com

 

[Diamondpilot]

I got the ends to do the same job from a online store called Discount Hydraulic Hose. I had them ship one end first so I could check it. My tractor is a 2003 Jinma 284 and ZL20 loader it was these ends. Hydraulic Hose Fittings | Komatsu 30° Female Swivel These are the ones I used.

FKOMX-06-18

I sent them pics and thats how we found out what they were. I also changed my cylinders to bigger ones and made up new hoses for that also.

Discount Hydraulic Hose.com

Chris

 

[smince]

Chris - I actually ran across those and noticed they looked similar to the "old style" fittings and were metric, but wrote them off because of the proprietary Japanese connection. Thanks much for the tip!

 

[Diamondpilot]

Chris - I actually ran across those and noticed they looked similar to the "old style" fittings and were metric, but wrote them off because of the proprietary Japanese connection. Thanks much for the tip!

Yep, same here. Its them though. The guys at DHH are good and will get you what you need to set it up properly. Something my local hydraulic shops could not do.

Chris

 

[Bob Rooks]

Yep, same here. Its them though. The guys at DHH are good and will get you what you need to set it up properly. Something my local hydraulic shops could not do.

Chris

The guys at DHH are great but would do better to just give the generic dimensions and then say: "Also Komatsu 30° female swivel". :2cents: