The amount of weight moved per hole will vary between manufacturers but generally speaking it s around 500 pounds per hole.
Sliding 5th wheel locking pins.
How the sliding action of the fifth wheel works depends on if it s engineered for manual or automatic operation.
However do keep in mind every rig is different.
Simply performing a tight turn causes the hitch to slide.
As you can see in the picture above the 5th wheel slides on rails and is held in place by locking pins through the holes on those rails almost exactly like the trailer tandems.
How a sliding fifth wheel hitch works.
However they also need to fit and the tow ready base rail lock tr63254 for example is not compatible with the reese base rails rp56001 53 on your 2016 chevy silverado.
Fifth wheel pin locks need to have the same diameter as the pull pins so you would need a 1 2 diameter pin lock.
Manual sliders work by pulling a release pin.
Superglide is an reliable fifth wheel hitch brand.
Consist of many models with different capabilities the superglide line of product is what you need for a safe and uneventful towing operation.
On the steering axle is needed move the fifth wheel ahead four notches.
2 slide increments for positioning versatility.
Automatic sliders work with no interaction at all.
The general rule of thumb is every cog on the fifth wheel slider represents 100 lb.
Vertical and 200 000 lb.
12 24 36 48 60 and 72 slider travels.
Then reset the pins and recheck axle weights on a weigh scale.