A World Of Difference
Once you get in there, though, you begin to notice how different the transmissions are from all of the big 
three truck makers.
"They are worlds apart," says Ryan. "They are all in their own ball park."
Ryan noted that from his experience he has seen the transmissions from Ford tend to have the most mechanical parts in the tranny itself, but among the least in the valve body.
On the other hand, GM's Allison Transmission has the fewest parts in the body of the transmission and is about mid-range when it comes to the valve body.
With the transmission Dodge uses, it ends up having the most mechanical parts in the valve body. Ryan notes Dodge's transmissions stand out from other transmissions because there are very few electronics.
"You have little in terms of electronics in the Dodge. Most of it is pretty much done hydraulically," remarks Ryan.
While that might tend to make the Dodge transmission the simplest out of the three, it actually presents its own unique challenges when trying to service it.
"With other ones you can hook up a scan tool and figure things out that way," says Ryan. "If it's more like an internal leak, sticky valve or, you know, a flattened spring, a lot of the time you have to think really hard about what is going on before you take it apart because it can lead you on a wild goose chase."