Re: 3414 front hydraulic pump coupling

Posted by jdemaris on August 21, 2013 at 05:00:12 from (70.192.11.33):

In Reply to: 3414 front hydraulic pump coupling posted by keith smith on August 20, 2013 at 19:12:24:

I just got done making a new pump drive setup on my 3414.

As to your's - it all depends on the serial number and which pump it has.

Early 3414 has a pump with a round shaft and single key.

Later 3414 has a 7/8" X 13 splined shaft just like many Deere, Fords, Cases, etc. use.

On mine - the pump had the 7/8" X 13 splined shaft. Then a 7/8" X 13 splined coupler that you can buy on this Website as a Ford part.

From that coupler - the shaft is 7/8" X 13 splined on one end - BUT tapers down and is only 3/4" splined on the other where it connnects to the drive plate on the crank-pulley.

If your coupler is bad, it's likely the shaft and drive-plate on the crank pulley is also bad. I adapted all new parts that I bought here. All for a Ford loader. New rubber-cushioned drive plate with a 7/8" X 13 hole instead of 3/4". New 7/8" splined shaft, new 7/8" splined coupler.

If ALL you want is a coupler - you can buy here under Ford. 7/8" X 13 internal splines.

Replies:

• Re: 3414 front hydraulic pump coupling keith smith 05:32:41 08/21/13 (2)
  • Re: 3414 front hydraulic pump coupling jdemaris 05:46:48 08/21/13 (1)
    • Re: 3414 front hydraulic pump coupling keith smith 06:30:02 08/21/13 (0)

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