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J.d. rollamatic

Yes but not as heavy as the heavy duty ones available for
a 4020. Possibly lighter than the regular one.
 
I have a roll o matic from a 4020 on my 70 and it's a perfect fit. Got it thru Abilene Machine, they said they were same, but I don't know if that meant quality or fit.
 
The new generation ones all have 4 bolts in the caps. Both the regular and the heavy duty. The heavy duty has a bump out in the bottom casting for the bigger gears. The two cylinder tractors all had three bolts in the caps. They will bolt up to a new generation tractor but not as heavy. The two cylinder used different hubs as well. Tom
 
Yes the heaviest have four bolts, but the heaviest heaviest has four bolts in a rectangle, lightest of the heaviest has four bolts in a square cap!
 
Two cylinders did indeed have a heavy duty 4 bolt cap roll-o-matic .

Caps are pt # R20262R .

Knuckles are R20254R RH and R20258R LH .
 
I checked your numbers in a Master parts index and you are correct. I have never seen or owned a two cylinder with a four bolt end cap on the rollomatic. In my area there were many more 620 and 630's than the 720-730's. Maybe they were more common on the bigger tractors? Have you ever seen one with the four bolts or are you going by the parts book? Next time I am at a show I will spend some time looking at some front ends to see if I can find one. Thanks Tom
 
Yes but not many times .

The 2cyl ones have " 20 " to start the pt numbers .

Newer ones do not .

One 720 I saw years ago with one also had the oddball 15" rims . Rare stuff for sure .
 
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