Why Most Semi-Trucks Don't Have Synchronized Transmissions

Most semi-trucks in the U.S. still have unsynchronized transmissions, even though they're harder to use. But why is this old-school tech still popular?

Apr 22, 2025 - 18:01
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Why Most Semi-Trucks Don't Have Synchronized Transmissions
Most semi-trucks in the U.S. still have unsynchronized transmissions, even though they're harder to use. But why is this old-school tech still popular?