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Front Axle Alignment
Toe
Camber
Caster
King Pin Inclination (KPI)
Turning Radius
Axle Setback

Drive Axle Alignment
Tracking
Toe

Camber
Offset

Trailer Axle Alignment
Tracking
Toe

Camber

 

CASTER

CASTER IS USUALLY A VEHICLE HANDLING, NOT A TIRE WEAR PROBLEM

Positive Caster -- Backward Tilt of King Pin

Negative Caster --  Forward Tilt of King Pin

Not tire wear related unless handling problem is ignored or incorrectly adjusted.