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06-19-2008, 11:09 PM
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#1 (permalink)
| | Senior Member
Status:  Join Date: Mar 2008 Location: eastern ct
Posts: 484
Points: 0  |  Common Quick Attach couplers
I know there are about 10-15 different hydraulic quick couple styles/sizes, but isn't the most common on tractors the "flat face 1/2 x 3/4 " ? See this page. Hydraulic Quick Couplers
Here are pictures of the couplers in question..  ........  ......  .... Are these Flat face 1/2 x 3/4 ? |
.... Tim | |
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06-20-2008, 12:34 AM
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#2 (permalink)
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Status: Join Date: Nov 2007 Location: Oregon
Posts: 1,061
Points: 0 |
I'm not sure how common various style couplers are but here is what I have on my CUT.
It's different than what you show. This style opens the fluid passage by pressing on the center pins. Sealing to the outside world is by O'ring radially on the OD of the male half. |
1970 Bolens 1257 w/tiller
2005 Cub 3204 48" deck
Yanmar Fx24D
5' Howse rotary mower
RSB 1300 Yanmar tiller | |
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06-20-2008, 06:15 AM
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#3 (permalink)
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Status: Join Date: Mar 2008 Location: eastern ct
Posts: 484
Points: 0 |
Quote:
Originally Posted by Mickey  I'm not sure how common various style couplers are but here is what I have on my CUT.
It's different than what you show. This style opens the fluid passage by pressing on the center pins. Sealing to the outside world is by O'ring radially on the OD of the male half. |  Sure is different Mickey.  I'm not really surprised, in my field there are plenty of couplers styles/sizes for the various sealed systems of the automobile. Why not tractors?
I'm getting myself prepared for grapple buying, need to make sure I order the proper couplers with the grapple.  |
.... Tim | |
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06-20-2008, 07:19 AM
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#4 (permalink)
| | Moderator
Status: Join Date: Nov 2007 Location: Westminster, MD
Posts: 450
Points: 0 |
The Flat-Face couplers are standard on skid-steers, not CUT's. The advantage of them is the high flow characteristics, and the ease of cleaning them before coupling.
The Pioneer style-either ball or poppet in the 3/8" or 1/2" size is the most popular on CUT's. |
John Deere 4110HST
FEL, MMM, FEL Forks (homemade),I-Match, Ballast Box, #380 plow (modified to fit) Markham LD-48 Grapple, and lots of other STUFF. | |
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06-20-2008, 07:50 AM
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#5 (permalink)
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Status: Join Date: Mar 2008 Location: eastern ct
Posts: 484
Points: 0 |
Quote:
Originally Posted by Kennyd The Flat-Face couplers are standard on skid-steers, not CUT's. The advantage of them is the high flow characteristics, and the ease of cleaning them before coupling.
The Pioneer style-either ball or poppet in the 3/8" or 1/2" size is the most popular on CUT's. |
Here's Kennyd !! Maybe you can tell.
Any idea what I've got in my hand on post #1 ? |
.... Tim | |
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06-20-2008, 08:45 AM
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#6 (permalink)
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Status: Join Date: Mar 2008 Location: Eastern MA
Posts: 2,052
Points: 0 |
Quote:
Originally Posted by irwin Here's Kennyd !! Maybe you can tell.
Any idea what I've got in my hand on post #1 ? | Tim - Those are flat-face couplers... male and female... as Kenny described.
Dougster™  | | | |
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06-20-2008, 05:04 PM
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#7 (permalink)
| | Moderator
Status: Join Date: Nov 2007 Location: Westminster, MD
Posts: 450
Points: 0 |
Quote:
Originally Posted by irwin Here's Kennyd !! Maybe you can tell.
Any idea what I've got in my hand on post #1 ? | Yup, Those are the Flat-Faced Skid-Steer style QD's, look to be maybe 1/2 or so...
Look HERE and download the .pdf catalog page referenced at the top. The ones Mickey pictured are the poppet style I referenced.
FF QD's are very pricey. For your grapple you will not need the high-flow or the connect-under-pressure features of them. If it where me, I would just replace them with a standard style poppet QD that will be a lot cheaper in the long run. |
John Deere 4110HST
FEL, MMM, FEL Forks (homemade),I-Match, Ballast Box, #380 plow (modified to fit) Markham LD-48 Grapple, and lots of other STUFF. | |
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