SIGMA 4 S.r.l.

As the industry-leader in the Italian market for technical development, creation, assembly and production of equipment for agricultural machines, Sigma 4 is your best choice for front loaders, implements, accessories and more!

Thanks to our policy of constant innovation and proven experience since 1975, as well as the ability to adapt our loaders to the specific characteristics of your tractors, Sigma 4 is able to meet the needs of our customers located all over the world.

Those who choose Sigma 4, choose a globally-competitive vertically-integrated, Made In Italy production.