Search results

yeah I am pretty sure I typo'd that one. I can't edit the post now.

OK I called back and gave them the serial #. They quoted me the ratios that DSD277 posted above. They gave me the specs for a 3000 series transmission, and said there wasn't much information on the MD3070PT. 1st - unknown, not listed 2nd - 3.49 3rd - 1.86 4th - 1.41 5th - 1 6th - .75 7th - .65...

The gear ratios you quoted make sense. I just tried out a gearing calculator online and plugged in values. If I use the adjusted tire size measurement to account for squat of the tire, then the .65 ratio seems pretty close for the RPM's I was seeing at 50MPH. I was able to get the serial #...

Check this thread here: http://www.steelsoldiers.com/showthread.php?122863-FMTV-Highway-Speed

Also found this, which seems to correlate to the two different designations for the transmission. I won't know for sure until I get the serial # of mine. http://www.makcotransmissionparts.com/Allison-MD3000.html

I have edited the original post with updated information. The gear ratios posted previously do not appear correct. I took the serial # off mine and called back to ask again. They quoted me the gear ratios for a 3000 series transmission and said there wasn't much information on the MD3070PT...