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just wonderin'

K

kenbob

Well-known Member
I understand the heavier axles on standard tractors like the 350 vs 351 meant to stand up to heavy loader work. I am wondering why all the extra expense of a flanged
rear axle. Did those tractors get used so hard they could wreck a standard axle? Is a flange really that much stronger? As I said, just wondering.
 
the flange rear axle is far stronger than a keyed axle,, they also have much bigger bearings for continuous loading apps like a backhoe or skip loader with a large counter weight,, now 6 hole flange axles have been known to break, I had one on my 420B break also,, they fixed that in the 30 Series production by increasing axle diameter again and going to a more HD 8 bolt hub on the 430CK/530CK which ended the breaking,, it is not just the load pushing down on them but also the torque that is transmitted during loader work and even more so with the power shuttle ,, I have seen people break a axle housing on a 580B but not the axle its self,, that little feat when I see it happened was caused by digging with the backhoe and putting all the backhoes power to pulling down on the wheel/housing,, aka they was not using the stabilizers ont hat side as they were digging around oil filed utilities to fix a leak,,
cnt
 
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