Search found 6 matches

by CPeter
Thu Sep 21, 2006 6:21 pm
Forum: John Deere crawler FAQ's
Topic: 420 crawler serial numbers and production figures
Replies: 14
Views: 155981

One thing I can tell you is that the two pedals are NOT supposed to work together. the left is the clutch and the right is the brake. They work on a co axial shaft (one inside the other) and frequently seize up. PB Blaster squirted onto each side and then trying to work the pedals seperately may get...
by CPeter
Thu Aug 03, 2006 7:16 pm
Forum: Early model JD crawler technical support
Topic: 1955 JD 40C Steering Clutch Rebuild Problems
Replies: 9
Views: 11143

Stack height information: A 420 uses 7 fibers and 6 steels. The fibers should be from .145"(min) - .151"(new) thick The steels should be from . 090"(min) - .096"(new) thick Total stack height of the 7 fibers and 6 steels should be 1.555" (bare min) to 1.633"(all new) A 40 uses 6 fibers and 5 steels ...
by CPeter
Thu Aug 03, 2006 7:12 pm
Forum: Early model JD crawler technical support
Topic: Track tensioner 420C
Replies: 12
Views: 12385

Just out of curiosity, how much were the tensioner bolts? Did you use grade 5 of grade 8?

CPeter
by CPeter
Tue Aug 01, 2006 6:06 pm
Forum: Early model JD crawler technical support
Topic: Roll Seal update kit?
Replies: 2
Views: 3999

That is the name, thanks. Also, thanks for the info on the correct ones. I have one roll that leaks. The other 7 and the idlers seem OK.

CPeter
by CPeter
Tue Aug 01, 2006 4:15 pm
Forum: Early model JD crawler technical support
Topic: Roll Seal update kit?
Replies: 2
Views: 3999

Roll Seal update kit?

Some time ago (2 or 3 years) I got some information on a seal conversion kit for JD rolls and idlers on Dubuque crawlers that someone in the mid-west was making. The price was under $50 for a whole set. It consisted of two new thrust plates and two lip type seals. I have lost the information. Has an...
by CPeter
Tue Aug 01, 2006 1:33 pm
Forum: Early model JD crawler technical support
Topic: Track tensioner 420C
Replies: 12
Views: 12385

Big Bolt??

What is the correct Big Bolt web site? Sounds like an interesting site to have in reserve.

CPeter