Another fantastic model from the line up of Replicazz from Railscale33d. This N scale Western Star logging Truck with a five axle trailer (and turning trailer Dog axle!!) can be purchased as a kit, where components like rims and tyres will have to be painted and glued together.
 
This kit contains
x1 Western Star Day Cab 
x1 Western Star Logging Truck Chassis 
x1 Trailer Logging Chassis
x1 Dog Axle 
x1 Dog Axle Pin
x4 Front Rims
x4 Rear Rims 
x4 Front Tyres 
x4 Rear Tyres
x10 Trailer Rims
x10 Trailer Tyres
x6 Log Bolsters
 
A video is available on how to assemble these Replicazz Kits (see below link)
https://www.youtube.com/watch?v=o3_w8Y2iamg&t=3s
Available as well are various detail parts that can be bought separately and fitted, to give your model a true one off look