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We have a truck at work that has 16 gears. The shifter has 8 plus there is a **** for high and low how would you shift to 9th gear? Would you step on the clutch shift from low to high then shift to 9th then let out the clutch?
You can have the selecter in low when you shift to 8th, pull it up in 8th still, then shift to 9th. Some people don't use the clutch at all. Some double clutch, and others use the clutch like a regular car. Well, assuming you're talking about a heavy duty truck like a big rig.
You might be right.I thought somone said it had 16. Its a old mack that was a gabage truck, they switch it over to a roll off container. I was just curious how you changed gears in trucks like that with a low and a high. Would you have to even use the first few gears in a big truck with no load? I would guess that they are geared very low for all the weight they can carry.
My grandfather said something like that you would go 1low, 1high 2low ,2high, 3low, 3high, etc.. I may have mis heard him though. If that is what you are talking about.
You might be right.I thought somone said it had 16. Its a old mack that was a gabage truck, they switch it over to a roll off container. I was just curious how you changed gears in trucks like that with a low and a high. Would you have to even use the first few gears in a big truck with no load? I would guess that they are geared very low for all the weight they can carry.
When I fill in on roll-off I use a spare Peterbilt that's a Eaton 10 speed(5 with splitter). When I'm empty I can start in 4th on flat and 2nd loaded(roughly 20k lbs). LOTS of torque! You could probably start in 8th or higher if you've got a steady leg.
On the truck I drive it's one stick with a splitter valve on the grip. Just reach down with your middle finger to select. I've only driven this style truck. I've ridden in the kind that have two sticks and a splitter(something like that) But that had like 30+gears and WAY too confusing.
On the truck I drive it's one stick with a splitter valve on the grip. Just reach down with your middle finger to select. I've only driven this style truck. I've ridden in the kind that have two sticks and a splitter(something like that) But that had like 30+gears and WAY too confusing.
I have drove about all roadranger transmissions along with duplex,triples and quadraplex,was just trying to figure if this one is an 18spd
You might be right.I thought somone said it had 16. Its a old mack that was a gabage truck, they switch it over to a roll off container. I was just curious how you changed gears in trucks like that with a low and a high. Would you have to even use the first few gears in a big truck with no load? I would guess that they are geared very low for all the weight they can carry.
Mack gearboxes are very similar to Eatons. Your shift **** should have a lever directly in front and a sliding switch on the side. The lever in front is the range control and sliding switch is the splitter. To shift this transmission, run the normal H pattern. When shifting from 4th to 5th, move the range control lever up BEFORE making the physical shift. The splitter switch allows an additional ratio in each gear. Often, it's not necessary to use LO and HI split unless you're very heavy or in mud or soft ground. Also, it's not necessary to use every gear either, especially when empty. A good driver will "skip shift", meaning he/she may start in 4th then go to 6th then to 8th, depending on load. When I drive a split tranny, I usually use LO split up to 7th or 8th gear, then shift to HI. To split any gear, preselect the switch position and just let off on the throttle. Once the driveline torque lets up, the split will occur automatically. The key to Range shifting and splitter shifting is the preselect the control BEFORE making the shift.
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