Diesel Place banner

Discussions Showcase Albums Media Media Comments Tags Marketplace

1-2 of 2 Results
  1. Medium Duty Trucks
    Changing my Allison fluid to Transynd TES 668. Getting Transynd TES 668 for $31 a gallon at a nearby Allison dealer. Not looking to debate that here, just search for Tom's various threads or look at the Allison website. My 2005 C4500 unfortunately does not include the MBT RPO code indicating...
  2. Allison OEM
    Have a 2015 Silverado 2500 HD (LML) with an 6.6 Duramax & Allison tranny with 80K on the clock. Recently changed all fluid in the tranny (2 full drain and refill (4 gals. 668) with internal filter change). What I immediately noticed after completing and test driving was that the truck slowed...
1-2 of 2 Results