In this video I quickly run through how a petrol two-stroke and four-stroke work, then how a Detroit Diesel two-stroke works in comparison. Instead of drawing air in through the crankcase like a petrol two-stroke, it has a blower that pushes air in through ports in the cylinder walls, and the exhaust goes out through valves in the head.

Detroit Diesel vs Cummins

Damien from Project Brupeg said a few words on the battle between Detroit Diesel and Cummins that couldn't go unanswered.