A transplanter machine of seedlings rooted in sods with quick set-up, adapted to operate according to a direction of travel, comprising: - a main supporting frame connectable to an agricultural machine; - means for resting and advancing on the ground in said direction of travel; - an electronic control unit, - at least one transplanter unit, of the type comprising: - a secondary frame; - a feeder for a plurality of seedlings; - distribution means for said plurality of seedlings, comprising at least one cup, comprising two oblique lateral walls (7a, 7b) having a mutual opening movement, and adapted to set down the individual seedlings in the ground, and a movement system for said at least one cup adapted to move it cyclically from said feeder towards said ground and vice versa; where said transplanter machine is characterized in that said movement system comprises: - a drive shaft on which a driving gear wheel is fixed; - drive means for said drive shaft; - a first, a second and a third driven gear wheel engaged by said driving gear wheel, identical to one another and to said driving gear wheel; - a first, a second and a third crank rotating respectively with said first, second and third driven gear wheel; - a first and a second connecting rod operatively connected respectively between said first and second crank and said at least one cup; - a third connecting rod operatively connected between said third crank and said second connecting rod, where the linkage kinematics between said driving gear wheel, said driven gear wheels (11, 12, 13), said cranks (21, 22, 23), said connecting rods (31, 32, 33) and said at least one cup, allow said at least one cup to follow an elliptical trajectory (e) with vertical major axis, reducing the contact time with the ground to set down the individual seedlings. - a main supporting frame connectable to an agricultural machine; - means for resting and advancing on the ground in said direction of travel; - an electronic control unit, - at least one transplanter unit, of the type comprising: - a secondary frame; - a feeder for a plurality of seedlings; - distribution means for said plurality of seedlings, comprising at least one cup, comprising two oblique lateral walls (7a, 7b) having a mutual opening movement, and adapted to set down the individual seedlings in the ground, and a movement system for said at least one cup adapted to move it cyclically from said feeder towards said ground and vice versa; - a secondary frame; - a feeder for a plurality of seedlings; - distribution means for said plurality of seedlings, comprising at least one cup, comprising two oblique lateral walls (7a, 7b) having a mutual opening movement, and adapted to set down the individual seedlings in the ground, and a movement system for said at least one cup adapted to move it cyclically from said feeder towards said ground and vice versa; - a drive shaft on which a driving gear wheel is fixed; - drive means for said drive shaft; - a first, a second and a third driven gear wheel engaged by said driving gear wheel, identical to one another and to said driving gear wheel; - a first, a second and a third crank rotating respectively with said first, second and third driven gear wheel; - a first and a second connecting rod operatively connected respectively between said first and second crank and said at least one cup; - a third connecting rod operatively connected between said third crank and said second connecting rod,