How many gears are in semi trucks?

Dear dietzgen-ga;

Thank you for allowing me to answer your interesting question.

?How many gears does an 18 wheeler have?

The most common amount of gears in an 18 wheeler today is 10 forward
and 2 reverse gears.  Although they can range from 9, 10, 13, 15, and
18 gears!?

FACTS ABOUT TRUCKS
http://www.thetruckersreport.com/truck_facts.shtml#How%20many%20gears%20does%20an%2018%20wheeler%20have


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Tutuzdad-ga ? Google Answers Researcher



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HOW MANY GEARS

SEMI

18 WHEELER