‘Declared gross weight’ means the maximum gross weight at which a motor vehicle or combination of vehicles will be operated, except the term does not include the weight of:

1.  Another vehicle which is being carried or towed by a tow car, as that term is defined in NRS 706.131;

2.  Implements of husbandry;

3.  A trailer or other towed vehicle which is not used for a commercial enterprise;

4.  Towable tools or equipment, as that term is defined in NRS 484D.055; or

5.  The load on a farm vehicle which has an unladen weight of 10,000 pounds or more.