![]() It probably clear as mud, and if I had access to a paper and pencil, or 5 minutes with access to a transmission, I could make it clear as day.Īnyone else who can explain it more clearly, you won t hurt my feelings one little bit. Range shift up from low side to high side The Volvo I shift transmission uses road grade, speed, weight, and engine load to gauge the optimum time for switching gears to increase fuel efficiency. The process then repeats itself up through the gears, using the button for every other gear, and the button, stick movement combo for the remainder. Comments ( 655) One Jalopnik reader was so upset with the death of the manual transmission he decided to preserve a 5-speed shift pattern on his back. At the top of 7th gear, you will preselect the direct position again, and release the throttle and float the gear lever to the 3rd gear position, which will be 8th on the high side. As you reach the top of 6th, pre select the overdrive side of the Direct/OD button, and release the throttle and the truck will shift to the 7th gear position in response to the throttle being eased. A RED splitter button on the side of the gear selector is a 13-speed. You are now through with the range shift button, and will do all your further shifting with the direct/od button or through stick movements. How students see a 13- or 18-speed transmission shift pattern on first encounter. You go through gears 1-5, range shift and shift to the 2nd gear position, direct, which is 6th gear. 13 Speed Double Overdrive (RTOO) Fits Trucks Equipped With Eaton Manual Transmission. So When you start moving the truck, you will be in low gear, with the range selector on the low side, other button set in it's direct position. Stainless Steel 13 Speed Double Overdrive (RTOO) Shift Pattern Details. So coming out of 5th gear, you would be moving to the 2nd gear position, rather than going back to the normal 1st gear spot that you would with a 10 speed. ![]() The other button gives you direct drive, and overdrive in the upper 4 gears, since the low gear position is not reused in the pattern. ![]() If you were to start in low gear, you would shift 1-5 as you normally would, and then would flip the button up for the next range as you are used to. One button is the range shift, and it moves in the standard up and down pattern you are used to. On the shift lever of the 13 speed, you will find 2 buttons vice the single flip up button that is common on a 10 speed transmission. Are you currently learning how to shift a 10 speed transmission Our 10 speed shifting tips video has many valuable tips to help you become a better shifter. R-Reverse / N-Nuetral / D-Drive / M-Manual. You merely use and reuse the gears as you go along in a pattern. The 13 speed, like almost every truck transmission, is based on the standard 5 speed pattern like is used in a typical Honda or any other car. Starting off in the top right in low range we can see gears C1 and C2, these are crawler gears. Although the positions they don't use differ most only use 5 of 6 positions. Most European shift patterns use only 5 of the 6 positions on an H-shifter. Now, I'm gonna tackle what may be the hardest things possible to do with mere words, when a few pictures would make it much easier. With the Volvo 12+2 we can start to see how most European shift patterns are set up. The red button on the side is the additional splitter.Okay, first, if they are going to train you, they are going to explain the shift pattern of the truck you will be driving if it is one that is not familiar to you. Here's a photo that might give you a little idea of what the shifter looks like: Much of the time when you are just getting started you won't even realize the need for splitting those extra gears, but as you gain some experience you can start experimenting with it a little and you will probably find you like the way the truck pulls when you can keep that RPM from falling off so much when changing those higher gears. You're not the first person to show up over there who had never seen a thirteen speed. Don't sweat it too badly, just let them know when you are at orientation that you learned on a ten speed and they will show you how it works. The I-Shift with Crawler Gears option adds either one or two gears to the base 12-speed I-Shift for Severe Duty, a low gear and ultra-low gear. ![]() The major difference is that there is a second splitter on the thumb side of your shifter that will allow you to split those higher gears if needed so that there is not such a momentum grabbing gap in the way the RPMs drop off in between gears. You can actually drive it much like you do a regular ten speed. Don't let it stress you too badly though. Hey Danny that thirteen speed is a wonderful transmission, especially when hauling a really heavy load up and down some hills.
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