whats your favorite diesel pickup

As I have said before I am a Cummins fan. However I just found this video I remembered of a Detroit. Listen to that thing roar. Full throttle up a hill with a full silage wagon.

[ame="http://www.youtube.com/watch?v=jbtWoOKbDMk"]Oliver 1950 GM 4-53 Detroit Chopping Silage - YouTube[/ame]