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Which tractors had weep holes?

C

chas036

Member
I know the diesel 3010 and 4010 and early 3020 and 4020 series had weep holes. Does the gas versions of theses tractors also have weep holes? Does the old two cylinder diesels like the 70 and 720 have weep holes also?
 
I'm thinking through 1968. Our 68 3020 and 4020 have them. Two cylinders did not- they did not have the wet sleeve (or any sleeve) design. The block was redesigned in '69, including a different bottom o ring design,and I'm guessing the holes went then.
 
Diesel. Cliff added what I should have. The New Generation waterloo engines (diesel and spark) had weep holes through '68. 69 and later, no holes.
 
(quoted from post at 18:44:38 01/21/18) The New Generation waterloo engines (diesel and spark) had weep holes through '68. 69 and later, no holes.
Click to expand...

Were the diesels more prone to having problems with leaking weep holes than the gas engines? If so, why?
 
Probably? Diesel had more compression and more
vibration. Maybe just more hours?
 

The Deere dealership I used to work at would often drive .22 lead bullets into the 4010/4020 weep holes...problem solved...at least for the time being

:?
 
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