SDF Group is an Italian agricultural machinery manufacturer founded in 1927 and with its headquarters in Treviglio (Bergamo), Italy. SDF is one of the world's leading manufacturers of tractors, combine harvesters, and diesel engines. The group's products are commercialized under the brand names SAME, Deutz-Fahr, Lamborghini Trattori, Hürlimann and Grégoire. The tractors produced by the group cover a power range from 25 to 440 HP, while its combine harvesters cover a range of powers up to 395 HP.