crank journal bolts

65f100

65f100

Member
is there a special tool for the square haed on the crank journal bolt or can an 8 point socket work?
also I have pin holes in the dipper pan Im thinking I should braze them but has anyone ever used J B weld?
 
If I remember correctly, the square head is an uncommon size wrench, something like 25/32" I personally would not risk JB weld in the dipper tray. If it were to come free you'd risk catastrophic engine failure if it clogged a passage.
 
I think you'll find that the square heads on those bolts are the same as the drain plugs in gearbox and diff. They are the same as a plumbing fitting which makes sense when you consider the philosophy behind Henry's design and how he wanted every farmer to be able to work on his car.
I file them down to 1/2" and I've made a special tool that is basically a short socket extension wit a nut welded to the male end. The female end goes onto the reduced bolt head and an ordinary socket on the welded nut.
 
this was the era special wrench
there is a little pip on one corner of the square of the main bolts to show orientation of cotter pin hole on the other end to help line it up
 

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thanx for replies I was thinking 9/19 8 point as my 1/2 didnt fit and an open end 9/16 does although that doesnt seem like I can get the leverage to brake them loose
I like that tool in the pics above
going to try and braze the dipper tray seems like the best way to go on that
 
I do believe I have a 4 point 9/16 socket I bought at a local industrial tool dealer like 25 years back.
 
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