A Danish machine was imported by Henry R. Jahn a partner of Kelsey in the early years of
The Rototiller Company after the partnership split up. The machine did not prove successful in America.
D.C. Pederson U.S. Patent 2,049,661
D.C. Pederson U.S. Patent 2,012,434
"A Ferrari Tractor CIE, was established in 1987 to do business throughout the USA selling and providing support services and parts to Ferrari Tractor owners. The models generally include the 725 walking tractor and the models 75 and 76 four wheel tractors introduced in 1970 and the TR94, 95, 85 and 86 that replaced those earlier models during the mid 1980's."