live axle
noun
: the driving axle of any self-propelled vehicle
the usual front axle of a passenger car is a dead axle and the rear axle is a live axle 
Principles of Automotive Vehicles
Principles of Automotive Vehicles- quantify
- quantifying
- quantiles
- quantimeter
- quanting
- quantisation
- quantisations
- quantise
- quantised
- quantiser
- quantisers
- quantises
- quantising
- quantitate
- quantitated
- quantitates
- quantitating
- quantitation
- quantitations
- quantitative
- quantitative analysis
- quantitative easing
- quantitative inheritance
- quantitatively
- quantitativeness