Allis D15 Series IV general questions

dhermesc

Well-known Member
What is there to know about them? My recently departed FIL had 4 of these (1 diesel, 3 gas). I was thinking about possibly buying one to refurbish and use in my small (very small) haying business.

I don't know that much about them other than he seemed to like them because they were easy to get on and off of. Tell me about the "Power Director" and how easy is it to use (have two boys that help age 10 and 13).
 
On the D14, D15, D17, etc. the power director is basically the same multi plate clutch running in oil as used on the WD/WD45. Except there are two back to back, giving you hi/lo, and a neutral in between. With it you can stop ground travel and keep the PTO running.
I grew up running baler summers in my youth with AC tractors. They seemed more youth friendly than the JD 50/60.
 
D-15 only had series 1 and 2, it was the D-17 that had 4 series. The D-10, and 12, had 3 series. Power director works like a dream, as long as it it is adjusted right. Pop it into neutral, and the pto keeps going, let the tractor come to a stop, and you can shift real quick, into a lower or higher gear, or reverse. As a 18 year old, I could stand up, pee, and drink a beer, while plowing. Now, I seem to have to concentrate, more!
 
Power Director is much more than the hand clutch on a WD/WD45. (sorry bob). It gives you two speeds, hi and lo, in each gear....as well as live power in the middle position- letting pto and hyd work while stopping wheel motion. PD is an oil clutch......can lock it in Hi or Lo, or slip it as needed. WD hand clutch could be slipped as well, but not lock into either of two speeds.
 
How durable is that set up? It sounds like it should be easy for a young operator. I don't mind putting some money in one if I buy it but I don't need a money pit.

I currently own a Farmall 350 that does everything I need but my wife was hoping we might keep one of her dad's in the family. If it works well enough I might consider getting rid of the 350 but I have several peices of fast hitch equipment for it.
 
Check the operation, of it, as long as it snaps into each position, it is likely serviceable. The way you adjust them is to remove shims from the clutch pack, you do it through the side panel, next to the lever. You might want to open up the panel, and check to see if it still has some shims left. On high hour units, it might have already been done. Everything wears, tick-tock, hours are an indicator.
 
Don't sell anything!
The 350 is a good tractor.
And there are TWO series IV D17's, and TWO series II D15's ! Also good tractors.
Don't sell anything!
 
I grew up with a series II D15. They are very good tractors,lots of power for there size and easy for a youngster to learn how to operate.They are easy on gas as well.The first tractor I ever plowed with was a D15 with 2 bottom snap coupler plow.We have all Deere tractors now but I still have a soft spot for D15's and even WD 45's.I also picked alot of corn with a 15 and two row mounted New Idea picker(Hated that because you sat in the dirt,a Deere 2510 sat you up higher out of some of the dirt). You can't go wrong with a D15 series II.
 

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