In 1997, Hagie celebrates its 50 year anniversary with the release of the Hagie Model 2100, including a 1,000-gallon capacity and air-ride suspension. The same year, the Hagie factory expands 21,000 square feet. Space is designated for a new research and development area, maintenance shop, tooling and paint facilities.

In 1994, the new Hagie 284 is the first model to offer a 90 ft. boom. An automatic hydraulic tread adjust also becomes an option. A new color scheme is introduced for Hagie machines, featuring a light grey and black design with red accents.

In 1990, Hagie Models 250 and 280 are introduced with 500- and 800- gallon capacities.

In 1981, John Hagie is promoted to president of Hagie Manufacturing Company.

In 1980, Hagie introduces a new look, with the color scheme changing from red to beige with chocolate brown accents. Hagie also begins building sprayers that are more economical during the farm crisis.

In 1973, the Hagie Model 640 is made available with a total capacity of 850 gallons.

In 1970, the new office area and showroom are added to the front of the building, along with 20,000 square feet added to the shop floor.

In 1968, the Hagie Model 440 is introduced. It is the first hydraulic twin tank, active suspension sprayer. The model also includes an optional cab.

At the forefront of innovation, in 1963, Hagie developed a high-clearance nitrogen application bar.

Hagie Model 430 is built in 1960. Notably, it is the first rear-wheel-drive Hagie sprayer, as well as the first model to offer a front-mounted boom.