6066 (1960-1966) GMC Truck Club

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-   -   K1001 Locking Hubs (https://6066gmcclub.com/showthread.php?t=51248)

CMCamp November 9th, 2021 10:19 PM

K1001 Locking Hubs
Hey guys, Need some help with locking hubs. I have a 1962 K1001 panel truck. I am looking to add locking hubs. I have been back and forth with Warn and they came up with the 9790, 19 spline, Internal hub as being the one that "looks" like it will work. They didn't leave me with a warm feeling that these are the right hubs. Has anyone added hubs to one of these rigs and what hubs did you use? Thanks for the help.

FetchMeAPepsi November 9th, 2021 11:05 PM

Re: K1001 Locking Hubs
Here's my "Name" notes on the hubs. I hope it helps some.
They're labeled Power Train Tools, but they're really just rebranded Selectro's.
They've been called Sears brand and Dualamatic as well.
They were OEM from many vehicles for years.
They are used on Military vehicles.
They were sold by Husky up until they were bought out by MileMarker and then the quality fell

With luck Warn can cross reference Milemarker hubs and get a match. I think JGroby replaced his recently. You might try sending him a pm.

AZKen November 10th, 2021 12:07 AM

Re: K1001 Locking Hubs
Mine had 19 spline WARN. 1960 GMC K1001. Dana 44. It does look like 20990 chrome and 9790 probably non chrome is the part number. :shocked:WARNING::shocked: Now-a-days....do not order anything unless from a well known company and get an email stating they are IN STOCK! IN HOUSE. READY TO SHIP. NO back order!!!!!!!!!!!!!!!!!!! NO drop ship from their vendor.

CMCamp November 10th, 2021 10:37 PM

Re: K1001 Locking Hubs
Thanks for the feedback. Looks like the 9790 Hubs may be the right model. Now the challenge is to find them. They’re back ordered everywhere.

CMCamp November 14th, 2021 03:03 PM

Re: K1001 Locking Hubs
Hey guys, I was able to locate the 9790 hubs in a Warn dealer's inventory. I have them and have started installation. Something doesn't look right. With the 9790 installed, the axle shaft is only engaging about 1/3 of the spline ring inside the 9790 (see attached picture). The hub is fully seated, I am just barely able to get the snap ring in. Does this look right to you?

CMCamp November 14th, 2021 03:08 PM

Re: K1001 Locking Hubs
3 Attachment(s)
Here are the pics.

gmcjuniorvan November 14th, 2021 06:07 PM

Re: K1001 Locking Hubs
2 Attachment(s)
I’m not an expert, but I think you might have the wrong hubs. The new hubs you have use screws and snap rings. I think the original ones had snap rings only.
Model WL-1000 or Model M8 (WL-1000)
The warn 9790 and 20990 only fit Chevrolet/GMC - 69–87 - 1/2 Ton Pickup and 69–91 - Blazer, Jimmy, Suburban. This is from Warn Website.

AZKen November 14th, 2021 08:55 PM

Re: K1001 Locking Hubs
5 Attachment(s)
I based my comment on the web saying 9790 fits Dana 44. After searching more, I think GMC JR. is correct. I also found pics of my 1960 hubs and some literature I guess I saved. Several forums show people having trouble figuring this out. Trouble finding the correct hub. They say Spicer hubs were original. Warn was aftermarket. This hub is said to be 60-68. Not easy to find. Maybe there is an adaption kit now. Don't know.
It seems you bought from a Warn dealer? Did you confirm from him they fit 1962?

CMCamp November 14th, 2021 09:43 PM

Re: K1001 Locking Hubs
I've had multiple conversations with Warn. They finally settled on the 9790 as being likely to fit. To be fair, they said my truck was not listed in the fitment notes. So it looks like I should be looking into the WL-1000. The search continues.

gmcjuniorvan November 15th, 2021 12:14 AM

Re: K1001 Locking Hubs
3 Attachment(s)
This might help.
GMC- Chevy part number. 3781982
Warn 9309 ?
Spicer 3781982

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