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Showing results for tags 'quadruplex'.
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So after getting the truck a tune-up and safety check, I took it down to our local State Beach parking lot (now that all the thousands of tourists are gone) to get a little practice with shifting, and after 3 practice runs, gave it a try on the road. There's a bit of grinding, but mostly because there's no tach, and I have to force myself to pretend it's loaded, and shift at a much lower speed that I really need/want to.... But on the whole, I thought this wasn't too bad for my fourth try of shifting through a few splits..... The file was too big to post here, so here's the YouTube link: I have the recommended shifting pattern for a B61 from a manual, but it's for a triplex. Does anyone have an actual manual page that shows the recommended shifting pattern/order for a quadruplex for both upshifting and down shifting? I know that for the triplex, they point out which shifts can be skipped, because the ratios are so close, and I'd like to know which ones those are.... Mike
Mack quadruplex, 20/18 speed, transmission, NOS, stampedTRQ7220, 1P1173, 11KBA5648, AP61 (Left side), BAKB 8122A, casting date: 7/1/66, Right Side. My father was a Mack engineer and got this transmission directly out of Mack's Hagerstown plant for a Mack he owned. It has been garage kept. He got this in the early 1980's. This is a New Old Stock transmission. It is located in Charlotte, ME 04666 Customer pick up only. We have a loader to assist with loading. $750 If you have any questions, call my cell at 717-215-2814. Thanks, Les