The truck is a Peter Model 579. This is a flagship model in Peterbilt's lineup, designed for long-haul over-the-road applications. It is easily identified by the "579" badging on its distinctive grille.
Applications: Heavy transport assignments, forestry and timber transportation, mining and quarry transportation
Power: 540 hp, 600 hp, 700 hp or 750 hp
Key Features
A large vertical grille
it allows a massive flow of cool air to reach the truck's large engine. This is essential for preventing the engine from overheating, especially when hauling heavy loads for long distances.
Chassis
The purple tractor is paired with a silver aluminum tanker trailer. The trailer features yellow chevron striping, which is a standard safety requirement for hazardous materials or bulk transport, indicating it likely carries liquids or powders.
Transmission
An automated manual transmission (e.g., PACCAR 12-speed automated transmission) or a manual, common in this class of truck.
Engine
High-horsepower diesel engines from PACCAR (MX-11 or MX-13 series) or Cummins, ranging from 400 to over 600 horsepower.