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Warford Auxiliary Transmission

Posted: February 5th, 2023, 5:38 pm
by David R.
I posted a question on a couple different places. Perhaps someone here has some information. I just picked up a 3
speed Warford transmission. It looks to be in overall very good condition. It is over-under-direct-nuetral. I have a 1930 AA with a 4 speed I would like to put it in but will need more information on how it mounts and is connected.
Anyone here have any experience with them?

Re: Warford Auxiliary Transmission

Posted: February 5th, 2023, 8:14 pm
by Bradshaw
Hello David,

I had an Early 30 AA several years ago with a 4 speed transmission.

I found a Warford under-direct-overdrive auxiliary transmission and installed it in the truck.

I used parts from a donor chassis that had the dual-high underdrive.

There was a special go-around or curved brake shaft that makes clearance for the dual high or Warford unit.

The photo below shows this shaft toward the front crossmember as it clears the dual high auxiliary transmission in the donor chassis.
AA Truck 004.jpg

Another part from the donor chassis was a bracket that bolted to the second crossmember in this photo that engages the teeth on the outside of the dual high auxiliary transmission to hold it in place and keep it from spinning when torque is applied. This bracket will work with the Warford too.
CouplingShaftRearSupport.jpg
I can't remember all the details with the brake rods, but I had the originals and those from the earlier donor chassis to get everything connected.

The last part I sourced through this website was a u-joint to mate the 4 speed output to the Warford input, again I don't remember details but the splines were different from the 4 speed output to the Warford input.

Disclaimer, not all of these photos were taken by me, and the file names for these two u-joints say 4 speed to dual-high, so I am not sure these are what you need, but the concept is the same, splines are different between the two transmissions.

I'm sure some others will help with the specifics on the u-joint you will need.

Bradshaw

Re: Warford Auxiliary Transmission

Posted: February 11th, 2023, 8:39 pm
by tiredtruckrestorer
Hello David,
I found that there were two different sizes of input splines on the Warford transmissions. One probably for use behind the Model A three-speed transmission and another for the four-speed. Luckily I got the complete setup for the use behind the 4-speed. It came with a special internal splined sleeve that slipped on the front of the Warford and also fit the coupling shaft male gear AA-4811 that fits the output shaft of the four-speed transmission. Inside of this splined coupling, two snap-ring grooves were cut into the splines. These snap-rings kept the coupling sleeve from sliding too far in either direction.

One of my other Warfords has the smaller size input splines that I believe is the same as the three-speed Model A transmission output splines. I did find a u-joint that fit, but not sure if that what was used for that configuration.

I may consider having a machine-shop duplicate some of the splined couplings I mentioned in my first paragraph if there is any interest.

Keith Ernst

Re: Warford Auxiliary Transmission

Posted: February 12th, 2023, 7:50 pm
by David R.
Keith, I have the proper U-joint on input side that fits 4 speed output, unfortunately one of the bushings on the spider is missing. I think the output shaft is same as the A 3 speed output, but I don’t have any A stuff to campare it to. I have a couple leads on u-joints but nothing has arrived yet.

Re: Warford Auxiliary Transmission

Posted: February 13th, 2023, 12:03 pm
by Bob C
I think the u-joint you need for the output of the Warford if it is from a 1928-29 is 1 1/8" 6 spline X 1 1/4" 10 spline.

Re: Warford Auxiliary Transmission

Posted: February 13th, 2023, 1:08 pm
by David R.
I think you are correct. Now to get one in my hands.

Re: Warford Auxiliary Transmission

Posted: February 13th, 2023, 3:00 pm
by Bob C
I think the part number is AA-7090-AR.

Re: Warford Auxiliary Transmission

Posted: February 13th, 2023, 4:52 pm
by David R.
Good to know.