JDcrawlers Messageboard

I see a lot of talk about 440 and 1010 parts interchange - with most answers being "no". Has anyone put 440 and 1010 gears side by side and described their differences? Same diameters? Same tooth count? Same spline count? Same spline diameters? I realize they may not be directly interchangeable, but...

Just picked up a 1960 440ICD. one axle bearing was out, munched up the gears pretty bad. It has the 14/55 tooth gears. I see some sellers offering new gears, but only for the 13/56 setup. Any leads on a 14/55 gear set? I found a complete final unit near me, but it is the 13/56 set. I wonder if I sho...