Thread: kingpin hole in axle wollered - solutions?

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I'm in the early stages of rounding up parts and prepping what I have already to build a T- bucket. today I cleaned the brackets off the front and rear axle assys. The front axle is from a 36 Ford and already has juice brakes installed, so I'll use it. the kingpin bushing are nice and tight, and the pin itself is in good shape, but the left side axle hole lets the pin wobble. it has .020 or so of waller on each end of the hole. so is there a solution I need to be aware of before I take it down to my friendly, but expensive, machine shop and have him install a steel thin wall bushing in it?

Thanks,
Lot

So are you saying that the kingpin bushings are loose in the axle bores? Unless I misunderstand, the axle is bored to fit the bushings, the bushings are pressed into the axle bores, and then the kingpin bushings are align bored with an adjustable reamer to fit the kingpin into the axle. What is loose?

Originally Posted by rspears

So are you saying that the kingpin bushings are loose in the axle bores? Unless I misunderstand, the axle is bored to fit the bushings, the bushings are pressed into the axle bores, and then the kingpin bushings are align bored with an adjustable reamer to fit the kingpin into the axle. What is loose?

The bushings are pressed into the spindle portion, not the axle itself. the kingpin is a close, but not press, fit in the axle and secured in the axle by a cross bolt so the pin can't (not suppose to) move in the axle. however my axle hole is worn such that it does slop around quite a bit.

Lot

Sorry, I overlooked the obvious and your explanation is right on. I have heard of oversized kingpin kits for some vehicles, but I'm not aware where you might find them or if they are out there for a '36 axle.

You can bore out the axle and put in a interference bushing.
Ken

You can Have the axle Pin eye's bored out and bushed to the stock King Pin O.D . We send out Heavy Truck axles all the time for this . If the Locking Pin Bolt Hole is worn . You need an over sized Locking pin . You don't want that King-Pin to walk down . Ask at the nearest Truck repair shop in your area were they send their axle's for rebuilding .