Transmission Fluid Questions

[ArtGill]

I have an Allison 748 attached to a 6V92TA.  Today I was removing my muffler and had to detach the dip tube from the side of the transmission pit.  I drained a little less than 10 gallons.  Is this about right?  I have had the coach for 12 years and have never replaced the fluid, should I consider replacement?  Is there a test?  By the way my fluid is red and doesn't smell burnt.

Art

[luvrbus]

You are about right with 10 gals most of the NJT had 8 inch pans change it burnt or not time has taken a toll on the oil

good luck

[rip]

You can have your fluid tested where you get your oil tested.I have my oil tested every year and my tranny fluid every other year.
   Don