4106 Differential Again
 

4106 Differential Again

Started by Bob & Tracey, October 17, 2019, 08:26:50 AM

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Bob & Tracey

I am back in the market for a 4106 deferential, the one I bought has a bad pinion. We are fulltimers living in our bus and are stuck in Illinois near St Louis.
Thank you
Bob
Bob & Tracey Rice   

1956 GMC PD4104-1611

chessie4905

One is available in central Pa. , although it is a 4:27 ratio instead of 4:11. Did you try Luke in N.J?
GMC h8h 649#028 (4905)
Pennsylvania-central

Bob & Tracey

Chessie, yes I tried Luke, is that the one at Bernhard Bus?
Bob & Tracey Rice   

1956 GMC PD4104-1611

Utahclaimjumper


Whats the problem with a ring and pinion shaft??>>>Dan
Utclmjmpr  (rufcmpn)
EX 4106 (presently SOB)
Cedar City, Ut.
72 VW Baja towed

Bob & Tracey

Bob & Tracey Rice   

1956 GMC PD4104-1611

Utahclaimjumper


I see no problem with cutting the nut off to press out the shaft,, the ring gear just bolts on to the carrier,,,,,,a whole lot easier and cheaper to ship than the whole differential.>>>Dan
Utclmjmpr  (rufcmpn)
EX 4106 (presently SOB)
Cedar City, Ut.
72 VW Baja towed

Bob & Tracey

Dan, I would if I could find the ring and pinion, any ideas?
Bob & Tracey Rice   

1956 GMC PD4104-1611

chessie4905

No, Luke is not Bernhard bus. Luke@ U.S.Coach in Vineland New Jersey.
GMC h8h 649#028 (4905)
Pennsylvania-central

Bob & Tracey

Chessie, sorry my last response was confusing. Yes I did talk to Luke and he cannot help. Is the differential that you know of in central Pa. at Bernhard Bus?
Bob & Tracey Rice   

1956 GMC PD4104-1611

richard5933

Have you tried calling Stan H. in Minnesota? PM me if you need the contact information.
Richard
1974 GMC P8M4108a-125 Custom Coach "Land Cruiser" (Sold)
1964 GM PD4106-2412 (Former Bus)
1994 Airstream Excella 25-ft w/ 1999 Suburban 2500
Located in beautiful Wisconsin

Bob & Tracey

Bob & Tracey Rice   

1956 GMC PD4104-1611

richard5933

I believe so. If you already contacted them I must have missed it, but they might have some suggestions.
Richard
1974 GMC P8M4108a-125 Custom Coach "Land Cruiser" (Sold)
1964 GM PD4106-2412 (Former Bus)
1994 Airstream Excella 25-ft w/ 1999 Suburban 2500
Located in beautiful Wisconsin

chessie4905

No it is in central Pa. Still in rear axle of coach we are dismantling. That rear will lower your top and cruising speed about 4 to 5 mph.. the 4:11 ratio ones are getting scarce. They were standard on 4106, 4108 and optional in 4905.
GMC h8h 649#028 (4905)
Pennsylvania-central

Bob & Tracey

Chessie, I guess that would be an option if I can't get the 4:11... Thank you.
Bob & Tracey Rice   

1956 GMC PD4104-1611

Bob & Tracey

I think I just won the lottery! Long story short a guy in the campground we are parked in knows our problem, he gives me the names of two truck parts/service businesses. First very happy to help but couldn't, second had an employee who's father was into old trucks and things. I gave him the part numbers I had and he came back with a match. This differential is brand new! $1995 plus $175 shipping. Sold! Neal's Truck Parts in Grand Rapids, Mi.

Thank you all for your help!
Bob 
Bob & Tracey Rice   

1956 GMC PD4104-1611