Cummins Big Cam

Now updated to 1.59+

Last Update May 5, 2026

Step back into the golden era of diesel power with the Cummins Big Cam series (I–IV) brought to life in American Truck Simulator . Using multipoint synchronous recording , every distinct tone of these legendary engines has been preserved — from the signature lope at idle to the raw, mechanical bark when the throttle is buried.

This mod doesn’t just sound like a Big Cam — it feels like one: