ORANGE COUNTY CODE SECTION 38-79

(42)   Dual rear wheel vehicles are permitted subject to the following conditions:

a.   In the A-1, A-2, RCE-5, RCE-2, RCE zoning districts, dual rear wheel vehicles are permitted provided they are used in conjunction with an active agricultural operation/use on-site;

b.   The overnight parking and/or storage of a dual rear wheel vehicle shall be subject to all applicable Orange County Code requirements, including paved parking, buffers and screening to adjacent properties, and drainage, except that active agricultural operations/uses shall be exempt from the paved parking, buffer, drainage and screening requirements; and

c.   Unless otherwise permitted by the Orange County Code, no person shall park or store outdoors a dual rear wheel vehicle in any area of unincorporated Orange County including streets and rights-of-way, except temporarily while engaged in the loading or unloading of persons or property.