DOT Entry Level Driver Training – Basic CMV Operation: Shifting/Operating Transmissions
Semi-trucks, buses, and other large vehicles are costly machines that depend on large engines and extensive gear systems to travel long distances, haul heavy loads, and run for hours on end under all kinds of conditions. It is important for drivers of these vehicles to understand how their transmissions work and how gears are selected in order to maintain performance, fuel economy, long equipment life, and safety. While automated manual transmissions (AMTs) are gaining ground, manual transmissions are still in use and you will have an advantage if you know how to drive one. If you are new to double clutching, practice pushing in the clutch pedal and moving the shifter to help etch the foot and hand movements and timing into your memory. Also, practice revving up the engine while the truck is in neutral to get a feel for what the different RPMs sound like. The more you practice, the more natural these sounds and actions will become. This course describes how manual, automated manual, and automatic transmissions work, how to shift a multi-speed dual range transmission, and how utilizing proper shifting techniques improves vehicle control and fuel economy.
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Learning Objectives
By the end of this course, you will be able to:
- Define the terms “torque,” “power,” “gear ratio,” and “power band”
- Describe the relationship between gear ratio, engine speed, and road speed
- Explain the benefits of utilizing proper shifting techniques
- Describe how to shift a dual-range manual transmission in a large CMV
- Explain the difference between a manual transmission and an automated manual transmission (AMT)
Specs
Course Level | Fundamental |
Languages | English |
Compatibility | Audio, Video, MobileReady, Responsive |
Course Applies To
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