Peterbilt 379 Chevron Tanker Truck 1:32 Diecast Peterbilt 379 Chevron Tanker Truck 1:32 Diecast. This very detailed replica of Peterbilt 379 trailer made by New Ray, it looks like the real big rig. This collectible truck is made of diecast metal with plastic accessories Has detailed headlights, signal lights, brake lights, and every little part you can even imagine. This is not a toy, for collectors only due to small parts, ages 14 & up.