Not every time you see a “Q” siren in the bumper means it’s a Q2A(Mechanical). The electronic EQ2B has a speaker identical to the ones on this rig. So on may be the actual a and the other is just an electronic speaker for the powercall
Weak horns, that aren't Train Horns! All of these companies spec these rigs with garbage horns and call them Train Horns. I'm sure that everyone viewing this clip knows what a set of Locomotive horns sound like. This ain't it
By the sound of it, it’s a Cummins ISX, which will get up to 565 HP, 2050 lb/ft of torque. Given my work truck only has 500, this could be a formidable beast.