This petrol water pump appears to be a 3-inch model, similar to those sold by brands like Maxmech or Senwei.Engine: The unit features a gasoline-powered engine, likely around 5.5HP to 6.5HP, often used for agricultural irrigation or drainage.Capacity: It has a 3-inch inlet and outlet size, allowing for high-volume water transfer.Condition: The pump is shown brand new in its packaging, with a metal safety cage