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duraff 03-16-2009, 11:09 PM I am a captian of a water tender/tanker, we just replaced the chassis with a 06 8500, 7.8l air brakes. hauling 2400 gallons of water in the hilly part of our district were on the brakes alot. What kind of Retarter do PPl have and how do you like it, and how much was it installed for those baught aftermarket. Thanks Diesel52 03-17-2009, 07:42 AM Is the engine retarder a hand operated ? If so I think that they are a Cat design? thefermanator 03-17-2009, 10:57 AM The only retarder I have experience with is the transmission style through the ALLISON, and it works GREAT! It does heat the tranny fluid up in a quick hurry, but will slow you down just as quick. Pacbrake 03-17-2009, 12:22 PM If your truck does not have the vgt turbo you can use the Pacbrake PRXB exhaust brake If you can get me that infomation I can let you know what is available for your truck be it an exhaust brake or a driveline retarder Harold duraff 03-18-2009, 06:50 AM yea, i dont know what turbo it has, when i go next, ill get the vin # and search,, the allison in ours does not downshift automatically like the pick up allisions do in tow haul mode. that why were lookin for a engine brake, we could push the button to make it downshift, but then we got to remember to upshift it. that just to much to do while going to a fire call. | ||