Glossary “kingpin inclination” Definition:
A major factor in a vehicle’s directional control and stability; the angle of a line through the center of the kingpin in relation to the true vertical centerline of the tire viewed from the front of the vehicle.
What is kingpin?
kingpin angle
Glossary “kingpin angle” Definition:
A term used for kingpin inclination.
kingpin axis
Glossary “kingpin axis” Definition:
The inward tilt of the steering axis from the vertical.
kingpin
Glossary “kingpin” Definition:
1). Pin or shaft on which the steering spindle assembly rotates. 2). The pin, mounted through the center of the trailer upper-bolster plate, that mates with the fifth wheel and locks to secure the trailer to the fifth wheel.