Fifth Wheel
A Fifth Wheel is a key connecting device used in trucking that links a semi-truck (also called a tractor) to a trailer. Think of it like a heavy-duty metal plate with a slot that sits on the back of the truck and connects to a pin under the front of the trailer. The name comes from how it functions as an extra "wheel" in addition to the truck's regular four wheels. This connection point is crucial for truck drivers as they need to be skilled at connecting and disconnecting trailers (called "coupling" and "uncoupling") safely and efficiently. When you see this term in a resume, it usually indicates experience with handling semi-trucks and trailers.
Examples in Resumes
Expertly performed Fifth Wheel coupling and safety checks on over 1,000 loads
Trained new drivers on proper Fifth Wheel connection and maintenance procedures
Conducted daily Fifth-Wheel inspections as part of pre-trip safety routine
Typical job title: "Truck Drivers"
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Where to Find Truck Drivers
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Example Interview Questions
Experienced Driver Questions
Q: What is your process for checking and maintaining a fifth wheel?
Expected Answer: An experienced driver should describe a thorough inspection process including checking the jaws, plate, pins, and grease levels, plus explaining how to identify wear and potential issues before they become problems.
Q: What would you do if you noticed excessive movement in the fifth wheel connection while driving?
Expected Answer: Should demonstrate problem-solving by explaining they would safely pull over, inspect the connection, check for proper locking, and if needed, contact maintenance or dispatch for guidance.
Mid-Level Driver Questions
Q: Describe your process for coupling and uncoupling a trailer.
Expected Answer: Should be able to explain the complete step-by-step process including proper alignment, checking height, securing the kingpin, testing the connection, and connecting airlines and electrical lines.
Q: What safety checks do you perform on the fifth wheel before starting your route?
Expected Answer: Should mention checking for proper locking, adequate lubrication, secure mounting, and testing the connection as part of their pre-trip inspection routine.
Entry-Level Driver Questions
Q: What is a fifth wheel and why is it important?
Expected Answer: Should be able to explain that it's the coupling device that connects the truck to the trailer and understand its basic function in safe trailer attachment.
Q: What signs indicate that a fifth wheel is properly coupled to a trailer?
Expected Answer: Should know basic indicators like the kingpin being fully engaged, the locking jaws being closed, and no gap between the fifth wheel and trailer plate.
Experience Level Indicators
Junior (0-1 years)
- Basic coupling and uncoupling procedures
- Understanding of fifth wheel components
- Basic maintenance checks
- Safety protocol awareness
Mid (1-3 years)
- Efficient coupling in various conditions
- Troubleshooting common issues
- Proper maintenance procedures
- Training newer drivers
Senior (3+ years)
- Advanced problem diagnosis
- Equipment maintenance expertise
- Safety training capability
- Mentoring other drivers
Red Flags to Watch For
- Unable to explain basic coupling procedures
- No knowledge of safety checks
- Lack of understanding about weight distribution
- No experience with pre-trip inspections
Related Terms
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