Belgium

(1) (Flanders) The maximum authorised weight is increased by the added additional weight required for the alternative fuel or zero-emission technology with a maximum of 1 t. The maximum authorised weight is increased by the added additional weight required for the zero-emission technology with a maximum of 2 t where the driving axle is fitted with twin tyres and air suspension or suspension recognised as being equivalent within the Union as defined in Annex II or where each driving axle is fitted with twin tyres and the maximum weight of each axle does not exceed 9.5 t.
(2) (Brussels Capital Region, Wallonia) The maximum authorised weight shall be increased by the added additional weight required for the alternative fuel or zero-emission technology with a maximum of 1 t or 2 t, respectively.
(3) (Flanders) Three-axle motor vehicle with one-axle trailer: 36 t.
(4) (Flanders) Two-axle motor vehicle with two-axle trailer (with a tandem axle with axle spacing < 1.80 m): 36 t.
(5) (Wallonia) Two-axle motor vehicle with a trailer with a tandem axle: 36 t.
(6) (Brussel Capital Region) Mechanic suspension: 43 t.
(7) (Brussels Capital Region) Mechanic suspension for motor vehicles with tandem and tridem trailers: 42 t.
(8) (Flanders) Two-axle motor vehicle with three-axle trailer (with axle spacing < 1.80 m): 40 t.
(9) (Flanders) Three-axle motor vehicle with two- or three-axle trailer (with axle spacing < 1.80 m and mechanical suspension): 42 t.
(10) (Wallonia) Three-axle motor vehicle with trailer with a tandem or tridem axle with mechanic suspension: 42 t.
(11) (Wallonia) 50 t in two cases: 1) articulated vehicles consisting of a three-axle tractor and a three axle semi-trailer; 2) trains of vehicles consisting of a motor vehicle with three or more axles and a trailer with three or more axles, subject to the following conditions: a) the set of axles is of the type air suspension or recognised as equivalent; b) the distance between the two axles is greater than or equal to 1.3 m; c) the maximum mass of any tridem is 25 t; d) the articulated vehicle or the vehicle train is equipped with an on-board sensor device indicating the laden mass of the vehicle and the load of axle to the driver; e) the trailer or semi-trailer tractor is in category N3, covered by a certificate of approval issued by a Member State of the European Union, and meets the minimum environmental class EURO VI, in accordance with the Royal Decree of 26 February 1981 implementing the European Communities’ Directives on the type-approval of motor vehicles and their trailers, wheeled agricultural or forestry tractors, their components and safety accessories, or in accordance with Regulation (EEC) No 49 ECE; f) EBS (Electronic Braking System), AEB (Automatic Emergency Braking) and ESC (Electronic Stability Control) or RSC (Rolling Stability Control) systems are mandatory and the EBS calculator and modulators provide an immediate response based on the state of charge of the vehicle; g) the driver of a vehicle and train of vehicles shall maintain an interval of at least 50 m with other vehicles and vehicle trains with a maximum authorised mass exceeding 3.5 t; h) the special rules in point 1.4.2 art. 32bis of the Royal Decree laying down general regulations on the technical conditions to be met by motor vehicles and their trailers, their components and safety accessories cannot be applied.
(12) (Flanders) 48 t or 50 t if the following conditions are met: https://www.vlaanderen.be/tonnageverhoging-voor-vrachtverkeer
(13) (Flanders) Road trains > 40 t and ≤ 44 t have to meet the requirements of Art. 32bis, pt. 1.4.1.1 (https://www.ejustice.just.fgov.be/cgi_loi/change_lg.pl?language=nl&la=N&...).
(14) Two-axle tractor with three-axle semi-trailer with mechanical suspension: 43 t (if pneumatic suspension, 44 t).