Examples:

• The front axle is a turn table steering axle with fifth wheel.
• I don't want to be the fifth wheel.
• And I just feel like a fifth wheel.
• Where's the fifth wheel?
• Wouldn't she be a fifth wheel?
• That can on the fifth wheel there.
• I'm the fifth wheel.
• Dimensions of standard fifth wheel couplings (see Table 11)
• Dimensions of standard fifth wheel couplings (see Figure 16)
• The chassis is fitted with a ‘fifth wheel’.