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The Caseomatic trans, wasnt that

F

fastfarmall

Well-known Member
So whats going on in the new Allison Transmission Co, wasn't that the company that built the Caseomatic and others? After Generous Motors sold it off, anybody know whats going on, Ford, isn't using their transmission anymore as far as i know!
 
I don’t know who built transmissions for Case, but I do believe that the auto manufacturers will go to a more component assembly plants, rather than building their own drive train systems. Much like the heavy truck industry is now.
 
Well maybe, but i bought a truck magazine[at least 12yrs ago] off the new's rack, at that time, the Cummins, 6 cyl had to much torque for the Allison!
 
I guess they can still make money selling their brand even if they don't make transmissions. The 10 speed "Allison" transmission now used in the HD GM pickups is Allison in name only. I wonder what GM pays for that bit of chrome.
Allison isnt an Allison
 
When GM sold Allison to a private equity group,
they maintained the rights to guild the Allison
1000 series for use in PU applications. Allison
Corp continues to build 3000 and 4000 series
transmissions for heavy applications, They have
made many improvements to what was already a
great product, Almost all rubbish trucks, emergency
trucks, municipal trucks and many others use
Allison transmissions.
 
I don't know about the Generous motors and government motors program. Though they do make good wagons I never liked them and an automatic transmission is nearly worthless for heavy pulling. I'll take my gear trans. As for not making a transmission for the dodge with the Cummins engine. If they had wanted to put the bigger Allison models in there they would have held up behind that little engine. I drove for a guy that had an Allison behind a 425 cat and it was fine as far as the transmission went. The problems he had was cobbling gliders together with old parts. If any of them had put one of the smaller road ranger transmisson's on those engines they would have been fine. They would have had to used a bell housing big enough to get a real clutch in there to hold the 2 together though. The problem came when the government started putting fuel standards on them. Then weight became a problem and still make them hold up to the so-called towing levels the companies wanted to advertise. And nun of them ever talk about stopping ability.
 
I work for a state roads dept. and all off our dump trucks have allisons. In the 21 years I have been employed here we had 2 failures of the allisons, other problems were self inflicted. This would be 200 trucks in this time last manual in our dumps was in 2002, a couple a year before that were manuals from 1996. The wiring is what we have problems with, the oems non allisons wiring. Allison has a very good repair manual for diagnostics and codes, engine manufactures should see how allison does it, would help a lot to work on them.
 
The Case-O-Matic had nothing at all to do with Allison, CASE did use a number of Allison's in Construction equipment through the years though, Case 100% designed the COM but did buy some of the components through Twin Disc made to Case specs,,,
 
the Case Case-o-matic wasn't really a "transmission" the Case-o-matic was the torque converter clutch system in front of the standard Case 8 speed transmission. basically a torque converter with a direct drive clutch to lock it up. the shaft behind the torque converter went to a clutch pack that would disengage the torque converter from the transmission when you depress the clutch pedal so you could shift gears. once in gear the torque converter behaves just like a car or truck torque converter. then once you get going throw it into direct drive and eliminate the converter slippage. really nice set up if you know how to work them. great for lugging and pulling things out.

the Case-o-matic torque converter-clutch system was NOT made by allison. I cannot remember off hand who did make it. It started with an S. or at least they made the toque converter part.

Allison transmissions are in everything. Yes some larger Ford trucks (F650up) used them as an option as well off and on over the years.
 
(quoted from post at 10:33:02 02/11/21) The Case-O-Matic had nothing at all to do with Allison, CASE did use a number of Allison's in Construction equipment through the years though, Case 100% designed the COM but did buy some of the components through Twin Disc made to Case specs,,,
Click to expand...

Yup, everything I've ever seen on the COM said it was an in house development. And it was a darn good one too!
 
I've never heard of any problems with Allison automatics. A friend of mine had one in a big GMC tandem. Used to regularly haul 5-600 bushels grain with it and thought it was the greatest thing ever. Trucked all the grain at harvest time out of the fields. At times in ground so soft the diffs were leaving a groove in the ground yet the transmission never failed to get the job done. Based on that I don't see how you could ever hurt one in a pickup.
And no, there is no connection I know of with Case-o-matic. Its just an optional torque converter drive added to the regular gear drive that all 30 series tractors had.
 
Steiger used Allison's in some of their tractors all the way up to 525 hp and they were great for hard pulling.
 
Our neighbor drives OTR on a dedicated route between Ogden, Utah and Detroit, Michigan. His tractor has an Allison Automatic and he swears by it.

Every week, he leaves here Monday moring, picks up a load of automobile parts from a supplier in Ogden, delivers them to Detroit, and is back home on Friday. About 3300 miles, round trip.
 
If I remember correctly, about all of the army track vehicles of the 60's thru 80's used allison transmissions and I don't remember any of them having other than normal problems, and they got some real workouts in rough terrain. Some I have driven was the M548 cargo carrier, M110 8" howitzer, M577, M113, M109 155mm Howitzer, and I think they all were connected to Detroit diesel engines. Surely there is someone on here with similar experience.
 
The torque converter drive was not new to Case-o-Matic drive. Packard was building their Ultra-Matic transmission in 1950 and Chrysler had their Fluid Drive at the same time. Brother had a 1951 Dodge with the Fluid Drive.

Gene
 
I have never got to drive a tank,,, but I think that would be quite a thing to do,, I have driven and put lots of hours with Allisons, a number of them in dirt equipment were behind a good ole Screaming Jimmy,, those high rpm short stroke 2 stroke engines really like the convertor,, I have ran loaders scrapers and rollers with that power combo,, for the most part they were very trouble free, also drove a Chevy with the Duramax and Allison,, from what little I drove it,, the setup impressed me and I am not a "current" build Chevy guy,
 
Shepard tractors had fluid drive or torque converter back in the early to mid 50s. I think the point is Case probably had the most success with them for awhile anyway. Steiger was the only other company I can think of that made extensive use of fluid drive or Allison transmissions.
 
The clutch on my Powerstar behaves a lot like this, you can feel it take hold, then seems to lock up a second or so later. It is the power shuttle, so has to be something in there, maybe like an inching pedal on powershift.

BTW, how does the inching pedal work?
 
My Monaco Dynasty coach has a 400hp Cummins (1200 lbs torque) with an Allison 6 speed automatic. Put about 60,000 miles pulling a TOAD in the mountains, deserts, and points around the US without any issues. Very smooth shifting and quiet operations. Works great with a two speed Jake Brake in the mountains. I've also driven military equipment in the desert with Allison auto trannys and they are really reliable and durable.
 
So the COM is about the same as the old Dodge/Chrysler fluid drive where they had a clutch behind a torque converter and this was all coupled to a regular gear transmission. 4 spd in the Dodge case. We had an old 53 Dodge that had that set up in it. Worked good on lighter jobs with it. Heavy loads needed to be shifted like a regular gear box truck.
 
The COM had a convertor on the engine, you have a hyd clutch spool the "clutch pedal" works so you can dump oil to the convertor for shifting the gear transmission, there is also another hyd spool in the control valve that allows you to "Lock Out/Up"the convertor, like on todays over drive mode. COM gives you up to 100% more pull power when in Case-O-Matic drive verses Direct drive, and these can be selected any time you are moving. We seen when selling them New the person Loved it or wanted nothing to do with it and bought the dry clutch version, we stocked both, with dual range transmission and COM you had available 16 speeds fwd 4 reverse
 
(quoted from post at 16:06:15 02/12/21) The COM had a convertor on the engine, you have a hyd clutch spool the "clutch pedal" works so you can dump oil to the convertor for shifting the gear transmission, there is also another hyd spool in the control valve that allows you to "Lock Out/Up"the convertor, like on todays over drive mode. COM gives you up to 100% more pull power when in Case-O-Matic drive verses Direct drive, and these can be selected any time you are moving. We seen when selling them New the person Loved it or wanted nothing to do with it and bought the dry clutch version, we stocked both, with dual range transmission and COM you had available 16 speeds fwd 4 reverse
Click to expand...


Yup, once you get used to the COM it's just a great trans system.
 
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