WebOct 9, 2009 · Re: The Parting Shift: Twin Stick Transmission Action It depends on the make of truck. All Macks use their own brand of transmission, they're all triple main shaft and use the same primary case for the 5 main speeds, then depending on which auxiliary used, which is bolted to the main affectivelly making it one big trans, will turn it into a Duplex or … WebJun 6, 2024 · Put the main in first and HLR in L. Then shift HLR to H. Then upshift the main like any 5 speed. When you need reverse, put main in first, HLR in R. Edit: "H" is actually …
A gear for every season: The Spicer 6 X 4 compound transmission.
WebJun 6, 2024 · Put the main in first and HLR in L. Then shift HLR to H. Then upshift the main like any 5 speed. When you need reverse, put main in first, HLR in R. Edit: "H" is actually direct. I haven't driven one since 1982. Makes sense that mack would put reverse in the compound box since the main is a triple coutershaft tranny. R. WebMar 25, 2008 · They were tough boxes. I used to drive a Mack tow truck with a mack 5 speed and a Spicer 4 speed aux box mounted mid ship. That truck would really crawl. It ran pretty good down the highway too. I hear guys used to turn the aux boxes around and end up with a 0.63 overdrive just in the aux. With the overdrive in the main box that would … the product of 8 and z
Quadruplex shifting practice in B42 - Antique and …
WebOct 10, 2009 · 557. Posted September 30, 2009. The 285 & 300 hp Maxidyne engine with 6 speed transmission is probably one of the most sucessful power combinations for any truck manufacturer ever. If used as intended, there are no duplicated ratios, in that low range on the compound section is intended to use only with first gear on the main. WebDec 20, 2024 · The video picks up as McNeill readies his '55 K-Whopper 523 "bullnose" for their last drive together, before she goes to a new home. And, just five months after brain surgery, David rows through that old Spicer 16-speed "twin-stick" transmission with … WebOct 18, 2008 · Back in the late 70's I worked for a stone yard.The boss had an old Diamond Reo with 5 by 4 trans.I was just a laborer not a driver but I give him credit for being able to shift that trans.He used to call it a sucide shift because he would drape his arm through the steering wheel to grab one stick and the other hand was shifting the other stick.Go to … the product of a 2 2a 2 5a 10 is