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1950acwd 
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Joined: 13 Mar 2013
Location: Ohio
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 Topic: WD Hydraulic Question
Posted: 29 Jan 2018 at 4:32pm |
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Excuse any typos because I'm posting from my phone, I just had a question regarding rating of the WD's hydraulic pump. I rebuilt mine about a year ago and it's functioning great. My question is, I've been able to find a pretty good answer as to what the pumps pressure rating needs to be at, but can't seem to find any information regarding flow rating. I know it's a high pressure low flow pump, I was just curious what kind of flow we're talking? I'd just like to be able to compare it to some of the other tractors produced at the time.
Thanks in advance, Zac
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DrAllis
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Joined: 12 Sep 2009
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Posted: 30 Jan 2018 at 7:27am |
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There was never a published GPM spec. A D-15 is rated at 4.5 GPM, so the WD is probably 3.5 to 4.0 GPM.
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Bill Long
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Joined: 12 Sep 2009
Location: Bel Air, MD
Points: 4556
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Posted: 30 Jan 2018 at 8:42am |
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Thank you Dr. Allis!!
You know being a dealer's son and working with the WD and WD-45 for the life of the unit I never really knew the pump flow. In fact in the data I received and digested I do not recall it being mentioned. I only knew it was a small flow in relation to the others
I do remember we were selling against a heavy duty John Deere customer and when he looked at our ram he said "that will not lift the disk" He said it right up to the time it lifted the unit. Then we pulled it in third gear. He still did not recommend the tractor. Oh well, they propagandize them well.
By the way we got the sale.
Good Luck!
Bill Long
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DrAllis
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Posted: 30 Jan 2018 at 8:52am |
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It's interesting that modern day farm equipment has hydraulic pressures that are getting close to what A-C used to have !! Today's systems are usually 2900 psi. High pressure/lower volume was more fuel efficient back in the day, and got the same amount of work done.
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1950acwd
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Location: Ohio
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Posted: 30 Jan 2018 at 10:19am |
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Thank you! I guess the main reason I asked is because I've been toying with the idea of mounting a second hydraulic pump on the tractor hooked into one or two more modern style two way remotes. And as of yet I have no idea what route to go pump wise. I've looked at some of the smaller gear pumps with the thought I might be able to run one off of a double belt pulley on the alternator but being able to transmit that amount of power through a V belt doesn't seem feasible.. I guess that probably makes you wonder, what would I need two remotes on a WD for? Well, this tractor has been really good to me over the years (the first and only tractor I've ever bought, purchased when I was 13 and I'm 19 now) and I'd like to continue to use it as I get into more modern implements. Things that come to mind are a four row 7000 JD planter, a V wheel hay rake, etc. And the tractor may not have the guts to pull a planter that size, I have no idea, but I'm thinking in flat ground, into bean stubble it ought to do it. (Not planning on planting many acres with it either) Regardless it'd sure be handy to have the extra remotes, and I know I'd have to add a second reservoir, to keep from sucking the transmission case (not a problem). So anyway I guess the questions that go with that long winded explanation are,
1.) Thoughts on if it'd handle the planter?
2.) What kind of hydro pump and drive setup would you recommend? (I'd really like to stay away from a PTO pump, due to cost and wanting the ability to use hydraulics with PTO implements as well. So basically, pump flow/pressure recommendations, mounting position, means to drive it, etc.
And maybe I'm crazy for wanting to go that route, I like a challenge and would like to be able to run high volume low pressure cylinders without dealing with it being ridiculously slow.
Thank you for any thoughts/suggestions in advance,
Zac
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Lonn
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Joined: 16 Sep 2009
Location: Назарово,Russia
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Posted: 30 Jan 2018 at 10:47am |
If the 7000 has fertilizer it will be too much for a WD to comfortably pull. We used a D17 to pull a 7000 4 row wide with fert. Weight wise it was OK to pull but the hydraulics wouldn't lift it with fertilizer. Of course it didn't use Allis cylinders. A 175 diesel Dad rented from a neighbor and fellow renter (Dad and him rented land from the same land owner and one farm was rotated between them every other year) the 175 pullede pulled it fine and later we used my D19 and that worked good too or Dad rented the land owner's 971 Ford Select-O-Speed diesel which worked good except the power steering was always giving problems and the jerk-o-speed was fussy backing up with. Boy did I ramble beyond the conversation's guidelines. 
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Stan IL&TN
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Joined: 13 Sep 2009
Location: Elvis Land
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Posted: 30 Jan 2018 at 1:50pm |
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Dad used the WD45 to pull a 4 row JD planter. It was older than the 7000 and maybe lighter. It had round bins to hold the grain but he also had a liquid tank mounted in the middle for spraying weed killer as he planted. He did not use the dry fertilizer bins. Since he never trusted me to plant (for good reason) I can't say how it handled it. At a later time he bought another 4 row JD planter without the liquid tank and I believe he used the one-seventy to pull that one.
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1957 WD45 dad's first AC
1968 one-seventy
1956 F40 Ferguson
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1950acwd
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Location: Ohio
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Posted: 31 Jan 2018 at 6:41am |
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Thank you guys! I'm sure the WD wouldn't be ideal for running that planter regardless. My hope was that I could get by a couple years planting a few acres until my savings allowed me to move up to a bigger tractor. A good friend of mine has a 7000 planter I could possibly borrow, I just have to figure out the hydraulics first. On another note, I know I was amazed at the stock hydraulic pumps performance after I rebuilt it (still can't think it'd lift a full planter though) I didn't have a pressure gauge available at the time so I was pretty careful with the number of shims to adjust the unload pressure. I use it to move 1000lb round bales on the three point pretty regularly and it lifts them like they're feathers.. I'd post a picture but I don't think I could resize it on my phone real well.
Thanks again, Zac
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Tbone95
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Joined: 31 Aug 2012
Location: Michigan
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Posted: 31 Jan 2018 at 7:05am |
 Stan IL&TN wrote:
Dad used the WD45 to pull a 4 row JD planter. It was older than the 7000 and maybe lighter. It had round bins to hold the grain but he also had a liquid tank mounted in the middle for spraying weed killer as he planted. He did not use the dry fertilizer bins. Since he never trusted me to plant (for good reason) I can't say how it handled it. At a later time he bought another 4 row JD planter without the liquid tank and I believe he used the one-seventy to pull that one. |
Those older units are much lighter than a 7000, and a 4 row 7000 will hold about a ton of dry fertilizer. Even the seed bins hold more than the round bins on the old style, but overall that's not as much of a factor.
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Tbone95
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Posted: 31 Jan 2018 at 7:11am |
No law says you have to fill the planter full of everything. I guess it all depends on how few your "few acres" is and how much time you have to fart around with it! Main thing, good luck and enjoy! Take a tip off a hose, actuate the hydraulics for 20 seconds into a bucket, measure how much you have and multiply by 3. GPM! No pressure flow anyway. Lifting a planter on a few acres, flow isn't very important, as pressure lifts. Flow is speed of lift.
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