Splitting gears

TooTiredToTalk · Feb 27, 2022

OLDSKOOLERnWV said: ↑

Your question seems to mainly focus on ‘splitting’ gears, and how to split them.

I’m not much with words, but I’ve shifted many gears in the last 36 years. See if this helps.

Your question is on a 18 speed which gives the ability to split all gears. And the 13 only splits the upper gears in the high side of the transmission, so I’ll use the 13.

After shifting the low range gears 1/2/3/4 you will obviously split to the high side.

Once in the high side, you can begin splitting all the gears. At this point you will be in 5th gear with the thumb button in the high range ‘or’ direct position.

Your next shift will be shift from 5 direct, to 5 overdrive simply by moving the thumb button to the OD position and letting up on the throttle to relieve he pressure on the gears, and allowing the transmission to go into OD.

Your next shift will be from 5/OD to 6/DIRECT… ease up on the throttle till the shifter eases out of 5th and as it starts into 6th move the thumb button from OD to DIR. You just split 2 gears at once. many like myself never use the clutch, but you can.

On the next shift simply move the thumb button from 6/DIR to 6/OD.

Now your ready to split gears again… 6/OD to 7/DIR. Making sense??

So this is what you’re doing…

Shift 5/DIR to 5/OD

Split 5/OD to 6/DIR

Shift 6/DIR to 6/OD

Split 6/OD to 7/DIR

Shift 7/DIR to 7/OD

Split 7/OD to 8/DIR

Then shift in to the big cog… 8/DIR to 8/OD.

On the 18 you just split all the gears in this fashion. Hope this makes some sense, I’m not much with words….

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This is pretty good! Thank you. Yeah some questions like what I asked are sometimes so hard for others to explain and yet even with an answer/s so hard for me to understand still. I guess there are some things that are just much easier to explain/learn in person! I appreciate the detailed explanation!

OLDSKOOLERnWV · Feb 27, 2022

GeminiTrucker93 said: ↑

This is pretty good! Thank you. Yeah some questions like what I asked are sometimes so hard for others to explain and yet even with an answer/s so hard for me to understand still. I guess there are some things that are just much easier to explain/learn in person! I appreciate the detailed explanation!
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Always welcome…

I run a 13 spd, and at times I’m grossing around 100,000 on 5 axles. Living in WV I’m always dealing with a incline.

If I ever change transmissions I’ll be switching to a 18 speed for the area I live in.
When I have to take out on a mountain side, at times getting the rpm’s to drop quick enough can be an issue trying to grab the next gear. At these times l use the Jake Brake to help drop the rpm’s. But that’s just me. Stay safe out there…..

TooTiredToTalk · Feb 27, 2022

OLDSKOOLERnWV said: ↑

Always welcome…

I run a 13 spd, and at times I’m grossing around 100,000 on 5 axles. Living in WV I’m always dealing with a incline.

If I ever change transmissions I’ll be switching to a 18 speed for the area I live in.
When I have to take out on a mountain side, at times getting the rpm’s to drop quick enough can be an issue trying to grab the next gear. At these times l use the Jake Brake to help drop the rpm’s. But that’s just me. Stay safe out there…..
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I didn't think there were really any mountains back East. I've never been to most states over there and then when I went to go visit and meet a friend for the first time in Alabama a couple of weeks ago, I found out they actually have some pretty steep mountain areas. Maybe not like the mountains I'm used to in Utah, Montana, Washington, etc BUT definitely still steep. Do you run stepdeck?

abyliks · Feb 27, 2022

Some times I only split the top, like a 13, sometimes if I’m on a hill I’ll split 4th before coming to the high side, some times I’ll drive it like a 9 or even skip a few other gears in the middle

I always start in low with any kind of load on because I hate cutting into my beer drinking time doing clutch adjustments

TooTiredToTalk · Feb 27, 2022

scoobertdoo said: ↑

To split gears you need a hydraulic press and hardened tools. Make sure to use a safety box since gear chunks will fly everywhere.
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Lol

TooTiredToTalk · Feb 27, 2022

abyliks said: ↑

Some times I only split the top, like a 13, sometimes if I’m on a hill I’ll split 4th before coming to the high side, some times I’ll drive it like a 9 or even skip a few other gears in the middle

I always start in low with any kind of load on because I hate cutting into my beer drinking time doing clutch adjustments
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Lmao! That's why you have a mini to teach them to do all that work so when it needs working on, you get them to do the work and you drink a nice cold one hahaha jk

OLDSKOOLERnWV · Feb 27, 2022

GeminiTrucker93 said: ↑

I didn't think there were really any mountains back East. I've never been to most states over there and then when I went to go visit and meet a friend for the first time in Alabama a couple of weeks ago, I found out they actually have some pretty steep mountain areas. Maybe not like the mountains I'm used to in Utah, Montana, Washington, etc BUT definitely still steep. Do you run stepdeck?[/QUOTE

Lol.. yea I hear the mountain thing all the time. For the last 30 some years I’ve seen brakes on fire, trucks in the escape ramp, trucks tore up in the ditch because east of the big muddy is considered flat lol.

My 1st truck was a 73 Cabover Kenworth, no Jakes and no power steering. I’ve experienced both sides of luxury and non luxury trucks in a sense.

No I don’t pull step, I ran a lot of flat the last 5 years till the local steel plant went on strike.

I’m pulling my lowboy now hauling mostly equipment. And I go places a CB is a must just to navigate the curves with other drivers…
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TooTiredToTalk · Feb 27, 2022

OLDSKOOLERnWV said: ↑

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That's AWESOME! Overdimensionals sound so complicated though with the routes, times of driving, where you would park, permits from state to state, etc BUT props to you!! Love what you do.

Double Dime · Feb 27, 2022

Ok
Now can we talk about a tri stick 21
Who wants to go first??

Brandonpdx · Feb 27, 2022

To be honest the only time a straight 10 is even remotely an issue at 80k or less is that the gap between 9th and 10th gets a little wide for heavier loads. "9.5" would be a big help to keep the motor in it's happy spot and that is essentially why a 13 speed is a little better.

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