Kingpin Inclination

The Steering System:
Kingpin Inclination

In addition to the caster tilt, the kingpin is also tilted inward at the top. This inward tilt is called kingpin inclination. It is determined by viewing the kingpin or pivot points from the front. Kingpin inclination is another alignment factor that is measured in degrees. It can be shown by drawing two lines that cross to form an angle. One line passes through the center of the pivot points or kingpin and the other line is straight up and down.

Notice that the kingpin is tilted in the opposite direction from the cambered wheel. Proper kingpin inclination can reduce the amount of camber needed to place the point of tire contact with the ground under the steering knuckle pivot. If the front wheels are aligned properly, lines drawn through the center of the cambered wheel and the kingpin should hit the ground close to where the tire contacts the ground. (The combination of the kingpin inclination angle and the wheel camber angle is known as the included angle.)

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Article Pages
1. Steering System
2. Steering Principles And Construction
3. Fifth Wheel Steering
4. Ackerman Steering
5. Steering Linkage
6. Steering Gear
7. Worm And Sector Steering Gear
8. Worm And Roller Steering Gear
9. Cam And Lever Steering Gear
10. Air Bags
11. Worm And Ball Nut Steering Gear
12. Rack And Pinion Type
13. Four Wheel Driving And Steering
14. The Principles Of Wheel Alignment
15. Caster
16. Camber
17. Kingpin Inclination
18. Toe-In
19. Toe-Out
20. Common Steering Problems
21. Steering Gear Inspection
22. General Inspection Procedures
23. Construction And Operation Of Power Steering Systems
24. Typical Power Steering Pump
25. Reservoir
26. Control Valve
27. Power Steering Gearbox
28. Hydraulic Cylinder
29. Power Steering Operation
30. Power Steering Configurations
31. Troubleshooting The Power Steering System
32. Inspecting The Power Steering System
33. Isolating Power Steering Faults

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