A disc harrow is a soil preparation machine used in agriculture to break up, mix, and level soil after ploughing, and to incorporate crop residue and amendments. The Rotoland GAL-C3.0 is a mounted disc harrow manufactured by Rotoland, a producer of agricultural tillage equipment.
This machine features a working width of 24 metres and is equipped with 24 mulch discs, each 560 millimetres in diameter, arranged in two rows. The discs are set at a cutting angle of 20 degrees with an additional 15-degree downforce angle to optimise soil penetration and mixing. Stone protection (Steinsicherung) is integrated to protect the discs from impact damage. The harrow incorporates mechanical spring-beam packages that serve dual functions: they provide automatic ground-following suspension to maintain consistent working depth across uneven terrain, and they act as an overload safety mechanism to protect the machine if it strikes a buried obstruction.
The side wings and edge discs are hydraulically foldable, allowing the machine to be compacted for transport on public roads. The harrow is fitted with a levelling roller (Dachringwalze) of 600 millimetres diameter to finish the soil surface. The machine requires a minimum of 100 horsepower to operate.
The unit is used, located in Germany, and was manufactured in 2025.
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