OD Saturn/Warn Research Archives

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Unusual Auxiliary Transmission … Can Anyone Identify It?

• CATEGORIES: Features, OD Other, OD Borg Warner/Rancho, OD Saturn/Warn This site contains affiliate links for which I may be compensated.

UPDATE: While still unidentified, we have learned thanks to the Dutch_Jeeper on the CJ-3A page that the auxiliary transmission is an “under-drive” rather than an overdrive. He pulled this out of his CJ-3A, then disassembled it.

You can learn more and see more pics here: https://cj3apage.com/Forum/index.php?topic=2318.msg19546#msg19546

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Originally Posted February 5, 2021: An owner of a CJ-2A posted onto Facebook these photos of an unusual auxiliary transmission. I only am aware of two that work between the T-90 and Dana 18 (the Warn and the Husky). Anyone recognize this?

IMG_1879 Continue reading

 
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Warn OD Camillus, NY $575

• CATEGORIES: OD Saturn/Warn This site contains affiliate links for which I may be compensated.

Looks like no shift linkage is included.

https://syracuse.craigslist.org/pts/d/camillus-willys-warn-overdrive-unit/7258772556.html

“Willys T18 Warn overdrive
29 tooth gear.
Fits 54 and up.”
warn-od-syracuse-ny3

warn-od-syracuse-ny2

 
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Warn Auxiliary Transmission

• CATEGORIES: Advertising & Brochures, Documents, Features, OD Saturn/Warn This site contains affiliate links for which I may be compensated.

Originally Published November 03, 2019: 

warn-auxilary-transmission-brochure1-lores warn-auxilary-transmission-brochure2-lores

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Originally posted in September of 2018:
auxilary-warn-overdrive-installed

Blaine spotted a discussion at the Ford-Trucks.com forum on Auxiliary transmissions that included the rare Warn Auxiliary Overdrive. A user named “38 Coupe” shared a bunch of smaller Auxiliary transmission documents that included a Parts and Instruction manual for the Warn AO. So, here it is, along with some photos of a Warn unit that was for sale in April of 2015.

warn-auxiliarly-transmission-overdrive-instructions1

Continue reading

 
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NOS Warn Overdrive Santa Cruz, CA **SOLD**

• CATEGORIES: OD Saturn/Warn This site contains affiliate links for which I may be compensated.

UPDATE: **SOLD** Was $1000.

Looks like this one has been sitting in someone’s garage for a while.

“Warn Overdrive, 26 tooth 6 spline. New condition not a rebuilt unit, This was in a project Jeep I purchased that was never completed to run. Overdrive was mounted but never used, new condition but is many years old. Includes Overdrive, new gasket and seal set, new install lock and keeper set, shifter with floor plate and instructions. SOLD AS IS, buyer to be sure of correct application, $1000 cash only no checks, no trades.”

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warn-overdrive0 warn-overdrive1 warn-overdrive2 warn-overdrive3

 
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Warn Overdrive Catalog from the late 1960s (?)

• CATEGORIES: Advertising & Brochures, Books, Features, OD Saturn/Warn This site contains affiliate links for which I may be compensated.

UPDATE: This was originally posted in 2012, but it’s worth a repost.

Dad never had an overdrive in his jeep, but did have this catalog (No. 1842). I suspect he built a few of these for Al Carroll.

I’ve attached a few random pictures below, but the PDF link includes all the pages and is downloadable to your computer.

http://www.ewillys.com/pdf/Warn-Overdrive-Parts-Catalog.pdf

 
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1969 Buick 225/SM420/Dana 18/Warn OD Bakersfield, CA **Status Unknown**

• CATEGORIES: OD Saturn/Warn, Parts This site contains affiliate links for which I may be compensated.

UPDATE: **SOLD** Was $1600.

Seller is accepting offers.

buick225-od-sm420-1 buick225-od-sm420-2

“Hi all, I recently sold my willys jeep and the buyer didnt want the engine, trans, transfer case and Overdrive.
I am relisting these parts for sale.
1969 Buick/Jeep CJ 225 Odd fire V6 engine, fully rebuilt with $2200 dollars in receipts. Has both 2 and 4 Brl Intake. manifolds.Isky RV type cam. Engine has been properly stored and never fired up.
GM SM420 4 speed transmission rebuild by Herm the OD guy, compound low first gear, final drive 100 to 1
Novak Adapter to rebuilt Large shaft Dana 18 transfer case
New never used Warn OD unit from Herm the OD guy.
As above this was built for a willys but will adapt to any pre smog Jeep.
Open to trades. Make an Offer. Motivated to sell”

 
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Husky Overdrive Olympia, WA **SOLD**

• CATEGORIES: OD Saturn/Warn This site contains affiliate links for which I may be compensated.

UPDATE: **SOLD** Was $450.

This may need a rebuild. Herm Tilford should be able to rebuild it.

“Husky overdrive for Dana 18 transfer case. Will fit Willys jeeps, cj5, and even the international scout.”

husky-od-seattle

 
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Warn OD $500 & Warn OD to PTO Adapter **SOLD**

• CATEGORIES: OD Saturn/Warn, Parts This site contains affiliate links for which I may be compensated.

Seller is selling both an OD and an OD adapter.

  1. WARN OD Was $500 **SOLD**:
    warn-od-ca
  2. Warn OD to PTO Adapter **SOLD** Was $70:
    warn-od-pto-adapter1 warn-od-pto-adapter2
 
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Warn Overdrive Wilmot, NH **SOLD**

• CATEGORIES: OD Saturn/Warn This site contains affiliate links for which I may be compensated.

UPDATE: **SOLD** Was $650.

Looks like it includes the shifter.

overdrive-wilmot-nh

“Selling a Warren overdrive
Came off a 1947 Willy’s Cj-2 Jeep
Asking $650”

 
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Warn Overdrive Fremont, OH **SOLD**

• CATEGORIES: OD Saturn/Warn This site contains affiliate links for which I may be compensated.

UPDATE: **SOLD** Was $799.

overdrive-oh

“29 spline Warn Saturn Overdrive – will fit a T-90/Dana 18 transmission/transfer case. Run that vintage Jeep a little faster and run with lower RPM’s. This overdrive was recently re-built by Herm the Overdrive guy. It is fully functional. I had it in my FC 150 but could not get the linkage worked out to my satisfaction. Ended up selling the FC (for other reasons) and now want to find a good home for this overdrive. Comes complete and ready to install with everything you need (including a new “special” retainer clip) DOES NOT INCLUDE SHIFTER OR LINKAGE – but these are easily fabricated. This unit has low mileage and shows hardly any wear.”