Hydraulic Pump Drive Hub Adapter ford 4000 3 cylinder

waughrfd

New User
HI,
I've got a 1971 Ford 4000 with the three cylinder gas motor. I'm looking for a Hydraulic Pump Drive Hub Adapter for my front hydraulic pump. I easily found adaptors for the 4000 FOUR cylinder, but I'm having trouble finding one for my three cylinder variant. Can anyone out there steer me to one? Or maybe give me a part number I can track down?
Any assistance would be much appreciated.
 
Have you checked on this site?? If yours is bad pull it off and count how many splines it should have and measure bolt holes etc. and then give them a call. Or you might try Tractor Barn 1-800-383-3678
 
Measure the center to center distance of the bolt holes in your pulley. You will also need to know what spline size and count (3/4" 6 spline, 7/8" 10 spline, etc.). SMA took over TISCO, but their web site is terrible to find anything. Try to find a local dealer that still has his old TISCO catalog, they had a good chart showing the options, and TISCO used the Ford part number as their number so they are easy to cross reference.
 
Thanks, You guys are amazing! I was hoping to have the hub on hand when I tore the tractor apart, so I could complete the job in a short period of time, but from what you and Tractor Guru are saying it seems I'll have to tear it apart first and get a good look at the hub.
 
Yes at the very least you have to pull the drive shaft part of it so you can count the number of splines and if they are course or fine spline. I have 2 Ford tractors with loaders. One is a 8N and it takes a different shaft and spline count then the 841S has. I keep the old shafts around so that next time I can pick it up and know which machine it came off of and then do not have to tear into it till I have the part the next time it happens. Also a good idea to lube the hub/shaft when installing a new one. It help at least for a little while
 

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