Quote:
Originally Posted by jamesqf
Look again. This is for heavy trucks, where 10 or more gears (plus a 2-speed rear end) has been the norm for decades at least.
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Exactly. There two factors that have contributed to this: 1) The need to accelerate and decelerate very large payloads 2) The heavy duty trucking industry pays more attention to fuel economy than probably any other sector.