downshifting an 8 speed freightliner

Discussion in 'Questions From New Drivers' started by wikoffz, Mar 22, 2013.

  1. MJ1657

    MJ1657 Road Train Member

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    I never went to school and never had a trainer. Unless you count the guy that I rode 3 miles to the elevator with my first time in an 18 wheeler. :biggrin_25523:

    Showed me how he floated gears by listening and feeling and how to shift a 13 speed and I was off on my own.
     
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  3. Richter

    Richter Road Train Member

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    I could figure it out, but I've been a trucker for yearsa and have no idea how to downshift a 8, 9 15, or 18. In school i drove a 10 and now I drive a 13. Now if you put me in a truck with a different trans i could figure it out pretty quick. You cant expect a driver to know every trans right out of cdl school.
     
  4. Cowpie1

    Cowpie1 Road Train Member

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    Amen, brother! I had the same attitude when I trained newbies. All in good time.

    Especially for intersections. I would have the student concentrate on the braking and not have to fight for a gear, either by dclutch or float. If they are fighting, because they are learning, for a gear and not staying focused on slowing down and maybe having to stop quickly, then they are running the risk of not being on the brake when they need to. Again, all in good time. As they gain more experience, then I would introduce more complicated things. I sure didn't have them take the first mountain grade with 46K in the box either. All in good time. There will ample opportunities to learn all about downshifting, fight off lizards, and all the other little things about trucking that they are curious about but almost afraid to ask about as the days go by.
     
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  5. Allow Me.

    Allow Me. Trucker Forum STAFF Staff Member

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    chAnd downshifting doesn't increase clutch use/transmission use ? Ya' gotta' remember, students are driving around town slowly, slow enough to react to situations, right ? They're not in a hurry to get unloaded or make schedules, so, they can approach an intersection much slower, probably in 5th/6th gear, not roar up to it in 10th doing 50 mph. If they're observing the upcoming intersection, they can pace the light and approach the turn already in the proper gear to make the turn. This is how I taught my students, the mechanics of driving as well as the mental aspect. I took them down usually 4 lane roadways where they could drive a little slower and not impede traffic and be successful for their "lesson" for that day. It does no good to have a frustrated student after he is done driving for that day. Much better to have him feel he's accomplished something, then it's on to the next day.
     
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  6. muff

    muff Light Load Member

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    Well I guess when I did my schooling 27 years ago we obviously did things differently . We were not on the freeway with less than an hours wheel time. We were still in the yard gearing up and gearing down rolling through the course. We had different trucks with different tranies. One of whick was the old 13 spd with everything on the Splitter. No high low range selector to make life easy on that truck . When we went out into traffic everyone had the general idea on how to go up thru the gears up and back down Were we perfect ? No but we knew how to do it. I will agree it all takes time but a person coming out of school should know the basics and not have to ask which speed which gear questions for which transmission.

    Oh ya, When we were still rolling around in the yard the instructors would love to slap the stick outta gear and tell us to put it back in with out stopping. I guess that`s were we learned how put in gear using the rpm method.
    Chow4now guys
     
  7. Allow Me.

    Allow Me. Trucker Forum STAFF Staff Member

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    Everyone's different. (students/instructors). I had students on the edge of the seat EAGER to learn everything. Then I had students who would lay back and "nap" when THEY weren't driving. Same with instructors, we had instructors who would read the paper while the students would gather around the truck and look dumb. And instructors who would pre-trip the truck before we left the yard to make sure it was road worthy.
     
  8. tonakis

    tonakis Light Load Member

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    Absolutely! I am still learning, but we just started to downshift after the 3rd week of school. Really, no need to know how to downshift immediately. I regularly stop at stop signs/lights in 7th or 8th gear, with very little to no coasting.
     
  9. floatdriver

    floatdriver Bobtail Member

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    Good info from everyone. I even learned some ideas
     
  10. bp88

    bp88 Light Load Member

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    I thought the DMV testers here in CA wanted us to know how to downshift? I've read the study booklet and it says not to coast longer than the length of the vehicle and that we should downshift.
     
  11. Allow Me.

    Allow Me. Trucker Forum STAFF Staff Member

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    Yeah, but you don't need to know on day one. Usually, you've got 2 weeks behind the wheel and come test day at DMV, you'll know how. BTW, Ca. DMV only requires you downshift a couple times during the test.
     
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