It uses marine gear oil. This is 80W90 hypoid oil that contains emulsifiers to keep the oil from turning to mayonnaise if a little bit of water gets into the gearbox - and since a little bit of water gets into every marine gear box eventually, you need those additives.
because it is American ;-) I think you will need to add more to this question; car type, transmition, year, model...
Skid type gear.
A worm drive.
different kinds of steering gear
type in 'top gear music' on youtube
The higher the amount of gear reduction, produces the most torque. The type of gear system usually used is a planetary type, due to its ability to withstand the strain.
The recommended type of gear lube is a GL4 in a viscosity of 75W90.
what type of gear oil to use in 2003 chevy tahoe 4wd
This question omits important required information: Make Model and Year of car Type of gear box.
Lawrence Johnson - type-founder - died on 1860-04-24.
Lawrence Johnson - type-founder - was born on 1801-01-23.
Iver Johnson made that shotgun along with some of the same type for Sears Roebuck