506 LAWS OF MARYLAND. [CH. 281

Class G. (1) Semi-trailers with two wheels and
equipped with rubber tires shall be divided into four classes
based upon the gross shipping weight of the chassis as
given and certified to by the manufacturer, and the fee for
each class shall be as follows:

Class Shipping Weight of Chassis in Pounds Fee

1 Less than 1, 000.............................................. $20

2 1, 000 and over but less than 2, 500.............. 70

3 2, 500 and over but less than 3, 500............ 100

4 3, 500 and over............................................... 140

Trailers or semi-trailers with two axles and four wheels
equipped with rubber tires shall be divided into six classes
based upon the gross shipping weight of the chassis as
given and certified to by the manufacturer, and the fee for
each class shall be as follows:

Class Shipping Weight of Chassis in Pounds Fee

1 Less than 1, 500........................................... $15

2 1, 500 and over but less than 3, 000............ 30

3 3, 000 and over but less than 4, 000........ 45

4 4, 000 and over but less than 5, 000............ 60

5 5, 000 and over but less than 6, 000............ 75

6 6, 000 and over.............................................. 100

(3) Trailers with three axles and six wheels equipped
with rubber tires shall be divided into six classes based
upon the gross shipping weight of the chassis as given and
certified to by the manufacturer and the fee for each class
shall be as follows:

Class Shipping Weight of Chassis in Pounds Fee

1 Less than 4, 000.............................................. $45

2 4, 000 and over but less than 5, 000............ 80

3 5, 000 and over but less than 6, 000............ 120

4 6, 000 and over but less than 7, 000............ 160

5 7, 000 and over but less than 9, 000............ 220

6 9, 000 and over............................................... 250

Where any trailer or semi-trailer is equipped with two
or more metal tires, the charge shall be double that of the
same class equipped with rubber tires.

The fees as provided for in the above three classes shall
not be chargeable in the case of threshing machines, clover
hullers, binders, and other similar farming implements not
designed for hauling purposes.