Semi-Trailer Truck - 40' WB

Dimensioned plan drawing of the required layout and turning radius for a Semi-Trailer Truck with a 40' wheelbase

The turning path of a Medium-sized Semi Truck measures the minimum possible turning radius necessary for performing a u-turn in a vehicle with a 40’ | 12.2 m wheelbase. Measuring the inner and outer radii of the 180° turn, a minimum inner radius of 19’4” | 5.9 m and minimum outer radius between 40’-40’10” | 12.2-12.4 m should be provided for medium-sized semi trucks.

The turning path of a Medium-sized Semi Truck measures the minimum possible turning radius necessary for performing a u-turn in a vehicle with a 40’ | 12.2 m wheelbase. Measuring the inner and outer radii of the 180° turn, a minimum inner radius of 19’4” | 5.9 m and minimum outer radius between 40’-40’10” | 12.2-12.4 m should be provided for medium-sized semi trucks.

Common Questions
What is the minimum inside turning radius required for a medium-sized semi truck?
A minimum inner turning radius of 19’4” | 5.9 m should be provided for a medium-sized semi truck (40’ | 12.2 m wheelbase) making a 180° turn.
What is the minimum outside turning radius required for a medium-sized semi truck making a 180° turn?
The outer turning radius necessary for a medium-sized semi truck making a a 180° turn should be between at least 40’-40’10” | 12.2-12.4 m.
How big is a medium-sized semi truck?
Medium-sized semi trucks have wheelbases of 40’ | 12.2 m, typical lengths of around 45’6” | 13.87 m, and overall widths of 8’ | 2.44 m.

Details

*Under Development*

Outer Radius: 40’-40’10” | 12.2-12.4 m
Inner Radius: 19’4” | 5.9 m

Vehicle Wheelbase: 40’ | 12.2 m
Vehicle Length: 45’6” | 13.87 m
Vehicle Width: 8’ | 2.44 m

Drawings include:
Semi-Trailer Truck (40' Wheelbase) Turning Paths plan

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