fifth wheel
- Device used to couple a trailer with a truck
- In most F-Series pickup models, the fifth wheel is an upper mounting on the pickup box floor
- The upper fifth wheel engages a trailer and consists of a plate and a rigidly mounted kingpin
- A lower fifth wheel mounts on a tractor frame and consists of a base, rocking plate and locking mechanism that engages the kingpin on the trailer.
- Part of Speech: noun
- Industry/Domain: Automotive
- Category: Automobile
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Creator
- Johna04
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(Bronze) 252 points - 100% positive feedback
(Detroit - MI, United States)
