"Peterbilts, Freightliners and Kenworths"
Freightliner
GNU Free Documentation LicenseFreightliner - Credit: Truckdrivertraining
Peterbilt truck
GNU Free Documentation LicensePeterbilt truck - Credit: Lglswe
Kenworth
GNU Free Documentation LicenseKenworth - Credit: PRA

 

 

 

 

 

 

Peterbilt, Freightliner and Kenworth are all truck manufacturers.