I did a little search and found out that the engine is infact not 1500hp as the Twitter post says, but is officially claimed to be 1300hp.
Iran Inaugurates Production Line of National Diesel Engine
TEHRAN (FNA)- Iran on Tuesday inaugurated the production line of a home-made 1300-horsepower hybrid diesel engine.
The new national diesel engine comes in two types of hybrid and gasoline-consumption types and its production line was inaugurated in the presence of the defense, road and industry ministers as well as the vice-president for scientific affairs
Fars
www.farsnews.ir