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Originally Posted by munimula
does anyone know if the hitch ball height is to the top of the ball or it's base?
--dave
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Dave,
This is something another forums member sent me and I found it very helpful.
Hope it sends a little clarity your way.
1. From the ground to the top of the ball should be 19.5 inches. If you are unable to achieve 19.5 inches exactly, raise the ball height to the closest measurment. Better to be too high than too low.
2. Adjust the ball tilt so that the end of the trunion bars are 10 inches off the ground. Pull the bars up vertical by the chain until snug to measure the 10 inches. Align the angle between the long axis of the tow vehicle (front to rear) and the end of the trunion bar similar to what that angle would be when hooked to the trailer.
3. Take a measurment of the rear end of the tow vehicle before you drop the trailer on the hitch. Anywhere will do; wheel well, bumper, ect.
4. Drop the trailer on the tow vehicle.
5. Remeasure the height of the tow vehicle at the same place you did before you dropped the trailer on the hitch.
6. Attatch the trunion bars and use a chain link count of three, to start with.
7. Remeasure the the height of the tow vehicle.
The idea is to have the tow vehicle at the same height as it was before you dropped the trailer on the ball. If the rear end of the tow vehicle is lower than pre-hitch, use four links, and so on. If the rear end of the tow vehicle is higher than pre-hitch measurment, use two links, and so on. If obtaining the exact pre-hitch height is not possible, it is better for the truck's suspension and handling to have the vehicle a little rear end low than rear end high