6r140 vs 68rfe. The main thing is to make sure you keep the transmission cool temperature. I've got a 2012 with the 68RFE and min max with I assume 450 hp on the performance tune. The gear ratios are in my opinion the best available for the Cummins diesel so far. Jun 1, 2012 · So we’ve chosen to compare the automatics from Ford and GM to the Aisin Seiki AS68RC six-speed found in Ram’s cab-and-chassis trucks—and not the 68RFE six-speed used in Ram pickups. Mine is over heating, hard downshift from 5th to 4th, slip If you want to skip general information and read comparisons between some of the best diesel pickup transmissions follow the links below: Allison vs 68RFE Allison vs 5R110 5R110 vs 4R100 68RFE vs 48RE Gear Ratio Comparisons and General Information: Dependability and the cost for the swap are what most consider first. When the TC is locked, its demanding ~275 PSI line pressure. This video also shows a transmission from a Dodge with a 68 RFE I'm in the market for another diesel truck I had 2017 ram but I'm eyeing a 2016 f350 any advice would be appreciated. Apr 27, 2017 · My 68RFE equipped dually with 3:73 gears hasn't seen more than 3 or 4 degrees above empty highway on transmission temps, so I don't think it's destroying itself. Apr 27, 2017 · Now people can read and gather a little more information on the big difference on these two transmissions. If you use some common sense and treat it well it’s not any less reliable than the other brands offerings. dd5 epfl av9l75 c6vl md j9d9t ugpsq or0yb uaf 9mc