321.310  Towing four-wheeled trailers.
  1.  A motor vehicle shall not tow a four-wheeled trailer with a steering axle, or more than one trailer or semitrailer, or both in combination. However, this section does not apply to a motor home, multipurpose vehicle, motor truck, truck tractor or road tractor nor to a farm tractor towing a four-wheeled trailer, nor to a farm tractor or motor vehicle towing implements of husbandry, nor to a wagon box trailer used by a farmer in transporting produce, farm products or supplies hauled to and from market.
  2.  Any four-wheeled trailer towed by a truck tractor or road tractor shall be registered under the semitrailer provisions of section 321.123, provided, however, that the provisions of this section shall not be applicable to motor vehicles drawing wagon box trailers used by a farmer in transporting produce, farm products or supplies hauled to and from market.
[C39, §5024.14; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.310]
84 Acts, ch 1226, §1
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