Raceme/Arp625's/BBI 1.5's/Stainless Diesel 467.7/Airdog 165 4g/Fleece 10mm CP3/GDP grid delete and S3/Hellman VC.....Warp by double r diesel, 2006 ~ 2500HD, Big Horn Edition, 5.9, 4x4, Q/Cab, 48RE, L/B, 3.73, S&B CAI & Snout, ProFlo 5" S/S exhaust, Smarty Touch, Oil ByPass Kit, 60 gal main tank, 110 gallon in-bed tank, XX-Fuel Filter System, Coolant Bypass Kit, Mag-Hytec front & rear end covers and trans pan, 285 x 70 x 17. clunking noise when let of gas. The 68RFE was not available until the 6.7L Cummins was introduced in the 2007.5MY truck (Jan 1,2008). If you go for the 3500 dually most come with the Aisin and the highest rated HP / torque Cummins engine. The 68RFE can handle all the power coming out of the stock Cummins but it can be improved with a deeper pan, a transmission tune and a case brace. Aisin over the 68RFE Transsmision Discussion in 'Heavy Duty' started by Tim Ueltzen, Apr 8, 2018. The biggest difference is that the trucks with the 68RFE come with the 370hp/800 lbs-ft version of the 6.7L Cummins, and the trucks with the Aisin get 385hp/865 lbs-ft. If I had the chance to do it over again I would get 3500 srw aisin add a Carli kit take a leaf out of the back and run bags for towing. The Allison 1000 is not a superstar transmission, it is however very respected and will never be a poor choice. The Aisin is simply a transmission from a different category altogether. 56 Posts . What is up with all the newer model Cummins transmissions FCA uses? However, it’s generally seen as the more reliable option. 68RFE vs AISIN vs G56. Copyright © 2009 - Aisin over the 68RFE Transsmision Discussion in 'Heavy Duty' started by Tim Ueltzen, Apr 8, 2018. It helps to reduce the overall weight of the truck. 7 THE NEW AISIN TRANSMISSIONS ARE SIMILAR TO THE ALLISON 1000: TRUE . The relatively high overdrive ratio yields low rpm cruising speeds, promoting fuel efficiency in low load conditions. Latest News from. I've been working with this swap since 2014 and since that time I have learned a lot about the 68RFE. Also the 68RFE does not have any transmission bands to adjust in this transmission! No, the transmission has been flawless, but let me explain. I would recommend the 68RFE over the AISIN for your needs! 68RFE vs. AS69RC (AISIN) 2013+ 6.7L 385. The transmission is service regularly about ever 40K miles changing the fluid and filters. Automatic transmissions. All RFE transmissions use Mopar ATF +4. The transmission that Clint came up with to replace the 68RFE is a familiar unit: the Ford 4R100 that was available originally in Power Stroke-powered F-Series trucks. Add to Cart. Also the 68RFE does not have any transmission bands to adjust in this transmission! If this is your first visit, click the FAQ regarding our (FREE MEMBER ACCOUNT PRIVILEGES). Mag-Hytec 727-DD Deep Pan $270.75. 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. The step between 1st and 2nd is significantly steeper in the AS69RC, but smooths out across sequential gear shifts. Both the 68RFE and Aisin AS69RC feature a relatively tall 0.63 to 1 second overdrive (6th gear) ratio. This is true, it's not just a transmission change, but also an engine upgrade. We offer a line of transmissions unparalleled in the industry for vehicles ranging from compact and standard passenger cars to light- and medium-duty trucks, buses and commercial vehicles. Home Forums ... As far as transmissions go, a lot of the 68rfe issues were sorted out later on, my 2012 has 340,000 miles towing heavy on the original engine and trans. Most I've towed was 800 # in the bed and 9.2K on a trailer cross country. The AS69RC is one of three transmissions offered for 2013, and will be standard on the high output version (385 hp/850 lb-ft) of the 6.7L Cummins. 2. Aisin is the Japanese "Allison". Ram 68rfe Vs Aisin Transmission. Ram says that the new frame, updated powertrain, and an alu… We, of course, wondered why the install package was for a 4R100 and not, say, for an Allison or 48RE—so Clint was nice enough to … Upon retiring the 5.9L Cummins and introducing the 6.7L midway into the 2007 model year, Chrysler also launched the 68RFE. In reality, Chrysler's claims are likely aimed toward the transmissions maximum rated weight carrying capacity, although its input torque should still remain far greater than that of the 68RFE.