Machines | How To Shift A 13 Speed Tractor Trailer
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To fully understand this I recommend watching "How to shift a 10 speed tractor trailer" first
Comments
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Can a local driver get paid more than $15/hr without decades of experience? How?
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thankyou
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I'm only counting 12 gears. What am I missing?
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I drove an Autocar in 1968 with a 13 speed only mine was a bit different. It had two four speeds which still gives you 13 gears but lots more shifting.
I wish driving schools would teach drivers to not shift the road ranger into low until they're going slow enough to be in low range. If you shift too soon you tear out the back end of the transmission at which time you have to take the truck out of service to rebuild it. That transmission should last as long as the truck if you treat it right.
What some maybe most driving schools seem to miss is teaching about the clutch brake. When at a full stop I've seen so many drivers grind gears going into first gear. The reason that happens is they're not pushing the clutch to the floor. The last inch or so of clutch is where the clutch brake works so if you're too short to push it all the way to the floor slide forward until you're in gear.
Skip shifting; on a downhill you do not need to hit every gear. There are many variables like how much payload and how steep the grade but I've shifted from 5 to 7 high on a 13 speed when the conditions called for it.
Another thing driving schools seem to miss is teaching about drift. I'm not talking about what they do with little cars but how your trailer acts on a curve. One run I used to do had a correction curve just before a small town. It went from a hard left curve to a hard right and at a slow speed the wheels of my 48 foot trailer would be slightly over the center line. At a higher speed the trailer would track closer to the line the tractor took and stay within the lines.
I drove from 1964 to 2008 and I've driven everything on wheels so if anyone wants me to share my knowledge I''ll be happy to.
Sorry to the gent who posted this for kind of hijacking his post.
Stay safe y'all -
Always wondered how 13spd worked. Good thing I watched this video and I feel much better bout operating a 13spd. I'm used to 10 but either way it would still take a little bit of time to get used to. The truck I'm interested in comes in 13spd.
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CRAZY GLUE FOR THAT COVER SIR!
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easy and very well explained thanks!
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I dont understand why the americans still use this outdated transmissions..
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Somebody really needs to invent paddle shifting for semi's.
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FIRST OF ALL YOU NEVER PRE SELCT, EVER, ON ANY 13 AND OR 18 SPEED ROADRANGER! Only up or down shift when ready to Shift! I had a driver that did this very thing and would drive it in preselect because of habit and wore out the shift fingers in the tranny causing premature wear. The shift forks fingers were trying to shift and had positive pressure and were unable to shift, if you can understand what I am saying. Second Never Preselect in High range Up Or Down. If you are in 5th over, and want to go to 6th direct, only shift from 5th over to 6th when attempting to Enter the 6th direct shift possion. If you preselect the action, That Is Why You Hear The Grinding In The Tranny While The Gears Are Trying to Mesh. No Syncros in tranny It Is A Twin Rotating Countershaft Transmission. That Is How the gears will mesh, and match speed to align. Take one out of gear while driving and step on the throttle and you will notice the grinding noise will speed up and slow down while trying to force into gear. Only Shift When Entering That Gear Up Or Down. You will eliminate any and All Premature Transmission Wear while doing this
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I just skimmed but I drove 10 speed Eaton Fuller for a while so I have the general idea, now at least I know the theory behind a 13 speed. Just need to find a truck to actually drive it now!
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Sooo easy! my husband couldn't get used to it.
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Thats. Not right. Sorry
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Gas ?
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If you know what your doing you only need the clutch when starting or stoping
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As a fellow driver I usually don't go into 5 high but each truck has its own personality
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That's easy...u don't even need the gas until 5th gear, and u never need the clutch!
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You step on the "gas" and then take your foot off the "gas" WTF kind of truck you driving? Trucks are diesel and you call it an accelerator.......great instructor!
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do we need to double clutch?
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wow that can be real confusing even if u do explain it over and over. they should make all trucks with automatic transmissions.