Here is one of my friends tractors which I think has the same engine as yours.
About 30# boost in this video, runs much better than this now. We have run almost 60# boost on a Kubota 3 cylinder but only for 15-20 seconds at a time.
Columbus Tractor Pull 2007 - Compact Diesel
About 30# boost in this video, runs much better than this now. We have run almost 60# boost on a Kubota 3 cylinder but only for 15-20 seconds at a time.
Columbus Tractor Pull 2007 - Compact Diesel