SCHEDULE
Regulation 2
CLASSES OF MOTOR VEHICLES
PART I
Interpretation
In this Schedule—
“cm3” means cubic centimetres;
“kg” means kilograms;
“km/h” means kilometres per hour;
“kW” means kilowatts;
“maximum mass” means the technically permissible maximum laden mass as specified by the manufacturer;
“maximum speed” means the speed which the vehicle is incapable, by reason of its construction, of exceeding on the level under its own power when fully laden;
“trailer” means a vehicle drawn by a motor vehicle;
“semi-trailer” means a trailer which is constructed or adapted to form part of an articulated vehicle including (without prejudice to the generality of that) a vehicle which is not itself a motor vehicle but which has some or all of its wheels driven by the drawing vehicle; and
“unladen mass” excludes, in the case of motor vehicles propelled wholly or partly by electricity, the mass of its batteries.
PART II
Two or three-wheel motor vehicles and quadricycles
Mopeds
Class A(a)
A two or three-wheel motor vehicle with or without a side-car which is fitted with an internal combustion engine having a cylinder capacity not exceeding 50 cm3 and a maximum speed of not more than 45 km/h.
Class A(b)
A motor vehicle as defined in Class A(a) which is drawing a trailer.
Motorcycles
Class B(a)
A two-wheel motor vehicle (other than a moped) with or without a sidecar which—
(a) is fitted with an internal combustion engine having a cylinder capacity of more than 50 cm3 ; or
(b) has a maximum speed of more than 45 km/h.
Class B(b)
A motor vehicle as defined in Class B(a) which is drawing a trailer.
Motor tricycles
Class C(a)
A three wheel motor vehicle (other than a moped) with three symmetrically arranged wheels which—
(a) is fitted with an internal combustion engine having a cylinder capacity of more than 50 cm3; or
(b) a maximum speed of more than 45 km/h.
Class C(b)
A motor vehicle as defined in Class C(a) which is drawing a trailer.
Light quadricycles
Class D(a)
A four-wheel motor vehicle having—
(a) an unladen mass of less than 350 kg;
(b) a maximum speed of not more than 45 km/h; and
(c) in the case of a vehicle with a spark ignition engine, an engine with a cylinder capacity not exceeding, 50 cm3 and, in the case of vehicles with other types of engine, an engine with a maximum net power not exceeding 4 kW.
Class D(b)
A motor vehicle as defined in Class D(a) which is drawing a trailer.
Quadricycles
Class E(a)
A four wheel motor vehicle (other than a light quadricycle) which has—
(a) an unladen mass of, in the case of vehicles intended for carrying goods, not more than 550 kg and, in other cases, not more than 400kg; and
(b) an engine with a maximum net engine power not exceeding 15kW.
Class E(b)
A motor vehicle as defined in Class E(a) which is drawing a trailer.
...