A tractor-trailer’s crankshafts can have up to 18 gears to help the vehicle change speed while maintaining stability. For many potential drivers in CDL programs, shifting gears isn’t a seamless transition. However, with practice and help from our guide below, you’ll soon upshift and downshift like a seasoned professional. What Should New Truck Drivers Know 黑料不打烊 Changing Gears? How do truckers know when to shift up? Each tractor-trailer has a different optimal RPM range, which the driver’s manual will clarify. While driving, watch the tachometer to measure the truck’s RPM and shift up once it reaches the best range. Truckers…
