Subtopic: Steering and hydraulic control systems used in tractors
Question Statement:
In a tractor steering system, the angle made by the kingpin axis projected on the longitudinal plane of the tractor with the vertical axis is known as:
Options:
(A) Kingpin inclination
(B) Caster angle
(C) Camber angle
(D) Steering angle
Official Answer Key:
B
Step-by-Step Solution & Explanation
Caster angle is the tilt of the kingpin axis, viewed from the side (longitudinal plane), relative to the vertical — it provides directional stability. Kingpin inclination is the same tilt viewed in the transverse (front) plane, while camber is the wheel's own tilt from vertical.
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