Allison Transmisson Model MD3000MH
The 3000 Transmission went into Limp Mode after being in traffic for several hours. Had the Trans checked by Inland Power Group, Carol Stream,IL, (They were originally Detroit Allison before coming u...
Forum Discussion
I concur. While leaving the exhaust brake on all the time will cause accelerated wear for lots more shifting, you are not going to wear out an Allison 3000 by doing that.
But, with exhaust brake on, every time the throttle is closed, the exhaust brake comes on and the transmission downshifts toward the pre-select gear. NO COASTING. So, MPG suffers, and at least for me, it would drive me crazy to have it downshifting and upshifting several gears on each down/up hill.
But, with exhaust brake on, every time the throttle is closed, the exhaust brake comes on and the transmission downshifts toward the pre-select gear. NO COASTING. So, MPG suffers, and at least for me, it would drive me crazy to have it downshifting and upshifting several gears on each down/up hill.
