Aisin 6spd auto or 68RFE | Cummins Diesel Forum
May 4, 2024 · Because the Aisin has earned a solid, time-tested reputation as a very stout, dependable transmission for towing. Driving around town empty isn't bad either, you get used to it's shifting habits …
ISO: a complete rebuild kit for AISIN AS69RC - Dodge Cummins Diesel …
Jan 1, 2025 · Hello everyone and Happy New Year 25. As the title says, I'm looking for a complete kit to redo my 1 million km AISIN. I don't want OEM junk, but quality as I tow a lot. I want new machined …
2022 Aisin Transmission Failures Information | Cummins Diesel Forum
Jan 15, 2023 · Just wanted to create an informative post for anyone experiencing a premature failure on their 2022 3500 / 4500 / 5500 with the AS69RC "Aisin" transmission. This has been an ongoing issue …
Aisin transmission - real world reviews | Cummins Diesel Forum
Jun 6, 2016 · Hi all, Looking for some real world experience and honest opinions on how this 6 speed trans is working for you guys. There seem to be very little reviews, both good and bad, on this …
Performing a Drain & Fill on the Aisin AS69RC Transmission
Aug 21, 2014 · The Aisin AS69RC requires a drain & fill at 30,000 miles. At 60,000 miles, the pan is dropped, the sump filter is replaced, and the fluid is replaced. At 90,000 miles, another drain & fill is …
ZF Powerline 8-Speed Conversion Discussion | Cummins Diesel Forum
Dec 6, 2024 · For my desires and truck, it makes more sense to upgrade from 68 RFE to new ZF Powerline 8 speed than to a 6-speed Allison or upgraded 68. Better mileage, better acceleration, and …
Aisin Tune ordered | Cummins Diesel Forum
Dec 29, 2023 · PPEI has released a tune for the Aisin. Has anyone tried it yet? I took my truck in for the latest OEM update and it shifts OK(ish). Before the latest flash it had a 2-3 shift flare (common issue) …
How do you tell if used truck has Aisin trans? - Dodge Cummins Diesel …
Feb 25, 2016 · I'm going to look at the 2014 3500 tonight. Is there an easy way to know if the truck has the Aisin transmission? It's not at a Ram dealer and I'm sure the salesman won't know which trans it …
ZF 8 speed gear ratios (Read Edit at bottom of post)
Jan 11, 2025 · Low gear in the Aisin is 3.75 x 4.44 =16.65 Low gear with the ZF is 4.89 x 3.42 =16.724 High gear you will be running at a much lower rpm with the ZF while cruising down the highway but …
Aisin Transmission | Cummins Diesel Forum
I went and drove a 2019 3500 High Output with an Aisin transmission this past weekend. I was impressed with how strong the truck was but the Aisin transmission felt somewhat “clunky” to me. …