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ryanheacox · 10-21-2019, 10:19 AM

According to my bolt chart, Grade 5 5/8-18 is good for 170ft-lb dry. Assuming the axle shaft is not quite grade 5 and with 90 years of use and fatigue I definitely wouldn't want to go over 100ft-lb. Last time I did mine I went to 90 and then lined up for the cotter pin.

10-21-2019, 10:19 AM	#30
ryanheacox Senior Member Join Date: Apr 2013 Location: Northwest CT Posts: 1,092	Re: Why did my axle break? According to my bolt chart, Grade 5 5/8-18 is good for 170ft-lb dry. Assuming the axle shaft is not quite grade 5 and with 90 years of use and fatigue I definitely wouldn't want to go over 100ft-lb. Last time I did mine I went to 90 and then lined up for the cotter pin.