The Exciting World of Hydraulic Couplers and How to Identify What's on Your Tractor
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- Опубликовано: 10 мар 2021
- If you own a tractor and want to put a grapple, tree shear, tree puller, or any attachment that requires hydraulics to power a cylinder, there are a couple of things you need. First, you'll have to have a way to get the hydraulic flow to the front of the tractor, which may involve a third function valve, a diverter valve, or rear remotes with long hoses, then you'll need a way to disconnect the hoses with some hydraulic quick couplers. Trying to figure out what couplers you'll need when ordering an attachment can be a confusing issue. Today's video is designed to help clear that up.
Let's say you knew when you bought the tractor that you needed front hydraulics so you ordered a third function valve. It's likely the dealer ordered and installed a kit that was designed for your specific tractor model. The kit would have come with hydraulic quick connect fittings. If you're now ordering a grapple that comes with fittings included, the folks that will provide it will want to know what fittings are already on the tractor. That can be confusing.
Most of the time there are one of two types of couplers that are used in tractor applications, called Pioneer, or "Poppet", and flat-face couplers.
Pioneer couplers have a collar that must be pulled back to release some ball bearings, then then the male portion has a spring loaded poppet on top that can be plugged into a female portion, the collar released, and then the fitting is locked together and will allow oil to flow.
Flat face couplers work almost the same way, but they're flat on top and there's no collar to pull back. They're used on a lot of industrial application and actually have more capacity than Pioneer fittings.
The problem is, each type is offered in three sizes and it's tough to tell what you have if you're not familiar with hydraulics. The most common of both is 1/2", but they are also offered in 3/8" and 1/4" and it's possible your tractor could have any of those sizes.
The most reliable way of telling what you have would be to get the number and brand off the coupler and call the company that made it. They all have a number that references what they are. If you can't do that, there's a chart that shows the different sizes on my website here: asktractormike.com/product/do.... It's near the bottom of the listing.
Different brands will interchange, different sizes will not, and it's impossible to tell from a picture what they are. Also, you'll need to know if you have a male and a female on the tractor end, two males, or two female fittings because some kits provide different configurations.
Knowing what hydraulic couplers you have will ease your attachment buying process. Helping your implement manufacturer to provide the right fittings on the attachment will mean that when you get it, you can hook it up and go right to work, and that's what we all want.
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You mentioned having one male and one female on your front remotes being ideal. I have found I like to have them both the same sex. That allows me to run the implement backwards if I have too. For example if I get my auger stuck on a tree root, I just swap the hoses and "unscrew" it. I also have a friend that has a front mounted brush hog if you will and the blades are sharpened on both sides. One side gets dull you just swap the hoses and run it the other direction 😀
Everyone talks about the different styles of fittings but your sizing chart was the most helpful and useful piece of information I have run across. Exactly what I needed. Thank you.
Nice job Mike - really appreciate the good work you do helping to inform new (and not so new) tractor owners! 🚜
So helpful, the size chart made my day. Thanks Tractor Mike!
Thank you Mike! Now I know how to measure hydraulic couplers. Much appreciated.
Thank you! Very timely for us. Really appreciate this video.
This was great timing. I was just looking for this information, for getting dust covers for the ends of new lines that were installed on my tractor.
Thanks Mike, Excellent Info. Wish I had this when I first bought my tractor
Thanks for sharing that information on hydraulic couplers. Good information & advice as always. 👍🏻
Very well explained. Nice job Mike!
BIG thanks Mike.
Great job. putting that chart on your website will be helpful for a lot of people
Mike , yes you are so right I’ve order a grabber from homestead up in Jamestown NY and it was a or deal
Trying to advised them what I had just hoping they will get it right. Great video wonderful info. Ron
Good video thanks for the info. I guess like most tractor owners I've run into these issues over the years. Last year I purchased a sickle mower made in Italy, it had Pioneer fittings on it but it sure didn't look like my other Pioneer fittings. It worked but by looking at it I wouldn't have bet on it.
YES! That's exactly what I was looking for. Thank you!
Excellent information. Thank You
Good info Mike. Thanks for sharing
Real good video and necessary information for anyone new to tractors.
Years ago every manufacturer had proprietary couplers. I spent 20 years getting all my implements and tractors converted to Deere cone style. Then Deere decides to go to Pioneer.
Maybe you should do a video on the different sizes and types of hydraulic hose sizes and ends also.
This was so helpful, thank you!
Really good stuff as always Mike! Don't know if you've covered it before but folks may want to also know why their hydraulics "hooked up fine during summer" and won't connect in the fall or in other temperature differentials no matter how hard they push and shove these connectors. Though it's a simple solution and easy fix, I had to figure it out the hard way. Thanks again for great content amigo!
excellent thanks mate. Very helpful for a noob like me!
I no longer have a tractor, but it still was very helpful for my skid steer.
Good information to know thanks Mike
I learned something!!
Thanks Mike
Learn something new every day.
Great info... for a rookie like me. Thanks!
Hey Mike, at the 8:40 mark you commented on "some" folks using two MALE connectors on their tractors and could not understand why.
Well sir, I, myself, have TWO FEMALE PIONEER connectors on my tractors, and use the male connectors on all of my implements.
Why, you ask?
For me, it is MUCH EASIER to pull the collar back on the female connectors when they are on tractor as it gives me something to push against.
And then you may ask, "How do you know which hose connects to what?". I remedy this by placing white zip ties on the hoses to be matched on the tractor and the implement.
I realize this may seem ludicrous to some, but it is what works for me.
After spending WAY TOO MUCH TIME fighting my hydraulic connections, and this is AFTER RELEASING ANY HYDRAULIC PRESSURE on ALL of my hoses on both the tractor and implement. I have to believe that this was caused by my trials with flat face couplers, and to say the least, I HATE the flat face couplers!!! Now this is probably just me, but again, my method works best for me.
Also wanted to thank you for your chart as to coupler sizes. It helps a lot!
Next video you should think of doing is explaining the different TYPE of hydraulic fittings in regard to JIC and ORBOSS!!!
Good video Mike. And, what a cliffhanger ending! You mean I have to wait until your next video to get tips on hooking up hateful hydraulics? That's just mean. Personally, I find hitting the end of the male fitting on the implement (to release pressure) before connecting it to tractor helps a lot.
good info..thanks
I have male and female pioneer couplers on my 3rd function and rear remotes. That way once I get the mating figured out the controls are the same every time I hook up.
Good stuff. Thanks.
For the new tractor owner, like myself, this wasn't as "boring" or "dry" as you might think. Especially for me since I did have a problem with the couplers on my grapple. I believe they were all pioneer couplers and all the same size, but I think there was a difference between the "type" of pioneer couplers. Maybe that can be discussed in a future video? Thanks Mike, Very informative.
I'm in thee same boat you are. Been having tractors for 23 years but never used the hydraulics. This is excellent information!
Great video Mike! yeah i was not sure on the pioneer or "Ag" couplers in terms of measurement, i thought it was hose diameter or the interior flow diameter where the connection was where the measurements were taken not the full exterior. thanks for clarifying,
I was debating on the 3rd function attachment end to run the skid steer flat face in the same size as the pioneer style the tractor has as the loader is SSQA so if I want to run a skid steer powered unit on the front, i don't need special adapters. Just hook the unit on the front and an auxiliary power pack on the back and away i go. Best of both worlds! Can you do a video on how to choose the right auxiliary power pack for the tractor? So the hoses won't rupture from too much PSI?
I became educated on the difference in couples when I brought home a fertilizer buggy and it would not fit up to my John Deere tractor. I have since bought adapters for John Deere to Pioneer that solves that problem.
Thanks for this video. I wish your video came out a few months ago when I ordered a grapple for my new tractor. One thing you could have discussed are the big difference between the Pioneer and Flat faced couplers. The grapple dealer was going to charge much more for the Flat faced coupler but couldn't explain the difference between them. I have since been told the Flat faced coupler doesn't loose as much fluid when they are uncoupled. Another thing is do all male Pioneer couplers have the small tip on the poppet or do some have a ball shaped poppet. Maybe the coupler with the ball style poppet isn't called a Pioneer. Can the male coupler with the ball poppet be substituted with one with the small tip, like you showed in the video. Keep up your very informative videos!
I'll discuss that in the next video, Flat face couplers are a lot more expensive but a lot cleaner.
Back in the early days of the modern tractor ('50s, '60s & early '70's) I only ever saw female fittings on the tractor, male fittings on the attachment.
I like male and female on the tractor. This way I can couple the lines on the implements together to reduce contamination and creeping when not in use.
Great Video. I still get confused looking at quick couplers. You had the pioneer male coupler with a pointed poppet, but your diagram had pioneer with a "ball" (poppet?) in it. Is this yet another style and not interchangeable or can you use the same female coupler for both (different) male couplers? Thanks
Great information ! I just had a 3rd function and couldn’t figure out what they installed. Where did you say that you posted the diagram that you held up during your video ?
It's on the product pages of my website like this one: asktractormike.com/product/double-add-a-grapple/. If you want a clean copy, e-mail me at mike@asktractormike.com and I'll be glad to send you one.
Silicon Valley learned this lesson many years ago and created standards via committees. Like connectors and adapters for computer systems. Tractor folks simply need to get on same page and make them cross over with brands.
My Summit coupler does not connect to a Parker Coupler, both Pioneer style and 3/8 size. Also the protective caps are not interchangeable either. It took some effort to get everything to interface properly for my homemade third function kit.
Is there a site where there are illustrations to install hydraulic remotes on older tractors, like a Massey Ferguson 175?
I like the Parker brand stuff better than any of it it seems to be the easiest to find and replace it seems to seal a little better than the rest of them and where I lie over the Parker store he's in Lexington Kentucky and I work in Lexington everyday so it's just easier for me to just swing by and get what I need their if they usually match everything up for me
Hydraulic couplers. The great thing about standardization is that it has yet to come to the world of hydraulic couplers. That's all you really need to know. If you need one take it off and take it to your dealer to match up.
I need to ask you a question!
My mahindra 2545 has started having steering problems!
Common problem I hear!!!
To turn it you have to turn very fast and the wheels return to straight by them self and you have to keep turning.
Started just to the left and now it is both ways.
They are telling me that it’s the rotary valve.
And they don’t sell rebuild kits
Before I spend $1000 I would like your opinion!
Very grateful for your opinion!!!!
Your videos are great!!!
What do you think of TYM 🚜
Love your videos. I have two tractors, an older new Holland and a new Massey Ferguson gc 1725. I am going to add front hydraulics, but I could not find the diagram you showed on your website. Could you help?
I need to display it in a better place and haven't figured out how to do that yet. It's on this page: asktractormike.com/product/double-add-a-grapple/, or shoot me an e-mail at mike@asktractormike.com and I'll send you a copy.
Good stuff Mike
I have a 1972 Ford 3000 with the Pioneer style couplers on the rear, but like the looks of those flat faced ones. Is there any reason why I couldn't change it out to the flat faced?
We got a pre-owned Mahindra 1533 last November and it came with a backhoe from the manufacturer. The main seat swivels backwards. I am curious (with the backhoe off) what it would take to connect onto the back hydraulic line and to bring a (pair) line to the front loader for a grapple. Obviously it needs a controller between the line and the front. Is that all? perhaps even use/steal the backhoe controllers?
That could possibly be done, but most backhoes I've seen are plumbed to require continual flow, and when they're not working there has to be a return line back to sump. I think you'd tie more money up in trying to make a system like that work as you would just adding a third function or diverter and it would be a bunch more hassle to connect and disconnect. Maybe someone else who has tried that will comment, I'm all about saving money but I don't think having the backhoe system gives you anything you can use to power a grapple.
Can I bypass the hydraulic motor and couple the in and out lines together this keeping the system sealed
AND, I found out recently that some Pioneers now come with Metric threads that don't fi 3/8" hose.
Thanks Mike. Quick question (which i think you answered when you said some attachments have two male couplers) but is there any convention that male or female coupler should be on the pressure side and the other on the tank side? or is that random too. many thanks
It's random. In my mind each attachment has one male and one female coupler so you can relive pressure. I'll talk about that in the next video...
@@TractorMike hi Mike my daughter just bought me the tractor caddy from you her name is Nikki from Arkansas my name is Mark from Naples Florida please give her a shout out
Question for you Mike, often times I find a bunch of dirt inside the female quick disconnect fittings. How do you clean the dirt out? I heard some people recommend spraying starter fluid in the fitting to flush out dirt. What do you recommend?
I've not had to clean mine out. There are aftermarket rubber plugs that you can get that keep them closed when not in use. I highly recommend getting them so it prevents dirt from getting in there in the first place. If it's an implement, you can plug the male into the female to keep everything clean. You really don't want dirt in the hydraulic system. The filter will catch it, but it can still cause problems.
You think if your tractor comes with a skiddteer quick attach would come with skid steer couplers . Just make adapters to save costs
With the Pioneer type.... John Deere has their own version which is a pain if you don't have the adapter
Hi Mike, thank you very much for this video. I hope you are still monitoring comments, because I need HELP! I am new to tractors and I bought a used Kioti 4510. It came with front hydraulic connections and a 3rd function loader lever. The front connections appear to be what you refer to as Pioneer couplers. I ordered a grapple and it came with what you refer to as Open Face couplers. So, unfortunately, I suppose I need to swap couplers on either the tractor or the grapple. It seems like even though the tractor has Pioneer couplers, it would easier (for me) not to mess with them and swap out the Open Face couplers on the grapple. I tried to make sense out of your chart, but unfortunately, I couldn't. I wrote down the numbers on all four couplers. I wonder if you might be able to help me figure out what I need to order. The Pioneer couplers on the tractor are dnp -PAV13F-1/2NPT 18 (large coupler) and dnp -PAV13M-12NPT 18 (smaller coupling). It has the pointy poppet, not the round poppet. The coupler numbers on the grapple are, LPH 0422 KSP4-08-08F-NPT (large coupler) and LPH 0422 KSP4-08-08M-NPT (small coupler). I tried to Google search the numbers but don't get anything specific to any of those numbers. You would really make my day if you were to deciper these numbers for me !!! Thank You
I don't have information about those numbers but you might try the folks at Summit Hydraulics: (800) 325-3695. They seem to know they're stuff and have always been good to work with. They are in Arizona, so they're on Pacific Time. Good luck!
Mike. What about the thread sizes of the hoses aren't they different? I have a Kubota lx3310. I'm wanting to switch to flat face couplers but not sure of the size.. I believe they are 1/4".. Are all threads NPT? So I wanted to do the loader and snowblower with flat faced couplers just not sure how I can do it...
Great question! I'm not sure whether they're all the same or not. The hose size should be printed on the hose if it's not worn off, 1/4" sounds too small to me. Most of the hydraulic hoses I've seen are 3/8" and have the NPT threads, so that's likely what you have. I've heard manufacturers are using a lot of different sized fittings, but most of the hoses are 3/8". You could get the 3/8" NPT and try it, most places will let you return it if it's the wrong size and hasn't been installed. You could also let the loader down and take all the weight off of it and pull off one of the short tilt and curl hoses and take it with you. Good luck!
I tried to find pioneer 3/8 in anything other than npt. I don't do ameteur hour and npt is the worst type af fitting for 2500 psi. ORB, or ORFS is the way to go. Ended up convertig all machines and attachments to 3/8 flat face. Lots of$$. Like 80$ per pair to 20$ per pair.
I think you should measure the male half, you can check it from the standard files like ISO 7241 or ISO 16028. cannot measure from the sleeve. I think we should have an 800 number on our website, which I learn from your video. thank you. I am working in a quick coupling manufacturer.
I put two females on the tractor so all my attachments have males. The males are cheaper. Then I put a two different colored zip tie behind the couplers so that I hook them up to same each time.
Which couplers are the best or most desirable?
Stay tuned! That's next weeks' video.
I think if I bought something with "proprietary" couplers I'd replace them with standard couplers before I'd buy their implement simply because no one else uses their type.
I was never excited about couplers before but, now I'm knowledgeable about them. I still feel a lack of excitement.
Let's talk about all these damn pins and clips all over the back end.
What can I expect to pay someone to rebuild the tilt cylinders on my 33hp tractor?
Your ironic smile was nice, Mike; but unnecessar y for those of us who know nothing about these strange things other than they don't work! (Might not be the best choice of dinner conversation, though.) A title that did make me laugh was a vido that was just suggested by ytube: ruclips.net/video/EYyhVyHysaw/видео.html "The Truth About Mower Spindles"! Oh, boy. Scintillating or what? ...but actually it WAS!
You're right about the writing on the connectors -- very faible engraving, especially when they've been out in the elements for years. Also, on mine at least they're only in one place. The thing is 'upside down '. Half can't even be seen cos it's facing inward (on a mini digger that I'm hoping to connect a hedgetrimmer to). And there's rust.
No question here just a long 'thanks'.
our pioneer style kopler named faster hasent have koller just push id in pull id oud
If you have two male couplers on your tractor, get two females and switch one out so you make sure to hook it up the same everytime. Males cost less than females, that's why you might get a tractor with two males. Also, if you'll have multiple implements buying m/f pairs will cost less than buying all females.
I have problems with male fittings disconnecting from my kubota. I have noticed that pioneer 1/2” have several different #’s. From what you say, any 1/2” fitting will interchange, regardless the manufacturer. I have not been fortunate to have this happen. Some fit fine , while others are almost impossible to disconnect. Pioneer has several different male connectors. Some work fine while others don’t. It doesn’t make sense.
Can you explain why the male one is called the male, and the female, the female 🤣
That might get me kicked off RUclips :).