1950 Allis Chalmers HD5 2.3 Litre 2-Cyl Diesel Crawler Tractor (47 HP) with Ransomes Plough

[@terryj.macmullen9968]

Great little machines.good power for a two cyl .can t beat a detroit diesel.

[@buelowexcavating]

I ran one of those with a loader on. They are good machines.I am guessing It is idling around 600 RPM. The reason it sounds faster is that it is a 2 cycle engine.