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Old 12-22-2010, 10:07 PM   #1
dwragon
Registered User
 
Join Date: Dec 2010
Location: dallas tx
Posts: 19
dually axle codes (not glove box RPO codes)

It has been expressed here that non of the dually's came out of the factory with 373 gears while others have told me they did. The typical ratio is 411 with some 513's. Here are the axle codes for the axles I have. If anyone has any of the these codes and know your axle ratios, please post what the ratios are.

kmc
kum
kmm
kmr
kmc
tfd
rjh
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