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Yes - there are two types used in heavy duty commercial trucks. The first type is a true automatic, with a torque converter. These are primarily made by Allison, and more commonly seen on vehicles operating locally. These transmissions range from 5 to 7 gears. The other type is what's known as an automated manual transmission - the same gearbox as a manual transmission, but the shifter, bumping up the accelerator on downshifting, and the clutch are all automated. These are pretty much exclusive to tractor-trailers which are road bound (off-road units would use the Allison automatic).

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Q: Is there an automatic transmission 18 Wheeler?
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Related questions

Do automatic transmission 18 Wheeler's have cruise control?

Yes


Is there an automatic 3 wheeler transmission that shifts automatically?

yes there is


What company have automatic 18 wheeler?

US Xpress, PAM Transport, Maverick.


What company has automatic 18 wheeler trucks?

Maverick, US Xpress, PAM Transport.


How do you get a automatic 18 wheeler to shift out of gear?

You would need to specify which transmission you have. On the older autoshifts with the clutch pedal, you could override the automatic function to get it to downshift manually, but you couldn't override it on the upshift. Some of the modern clutch free automatics have a feature which allows you to do this.


What happens when downshift 18 wheeler to fast?

Usually, it won't go into gear. If you get it into gear, you could cause serious damage to the transmission.


What is dextron 2 atf transmission fluid or motor oil?

It is an automatic transmission fluid.It is an automatic transmission fluid.


Which is heavier a 18 wheeler or a garbage truck?

18 wheeler has the higher gross weight


How many transmission gears do 18 wheelers have?

Anywhere from five to 18. The military M915 has a five speed automatic transmission. Most major fleets run 10 speed transmissions.


How often do you have to fuel an 18 wheeler?

on average you need to fuel an 18 wheeler once a day


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How many quarts of automatic transmission fluid does the 2001 Toyota Avalon automatic transmission hold?


Yes as long as it is automatic transmission.?

Yes as long as it is automatic transmission.