High weight is caused by the detail of the model and the number of configurations!
The mod has configurations:
Steering wheels
Silencers
Cabins
Air filters
Oil filters
Weights in front/rear wheels
Grille protecting the mask
Driver’s seat
Passenger seats
Searcher
Warning triangle
Front/rear registration
Grille in the mask
Selection of the type of lamps front / rear
Cable on lamps
Stickers on the hood and grille
Mud flaps front/rear
Console for TUR
The mod has painting:
Sheet metal (bonnet and fenders)
Corps
Rim
Wheel weights
Front weights
Cabins
Cab roofs
Grille in the mask
Grilles protecting the mask
Stickers
IC (SimpleIC) :
Open bonnet
Open flap in the mask
Opening doors in cabins
Open roofs in cabins
The mod has sounds of opening elements (doors/hood, etc.)
When you have an idea to develop the mod or you see an error, write in the comment.