March 14, 2025
David J Black & Sons: Trio of six-wheelers
REPORT: British contractor David J Black & Sons three refurbished Ropa Tigers lift around 2,300ha of sugar beet a season.
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Combine harvesters
Here you can find the archive of profi test reports on a wide range of combine harvesters.
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January 17, 2025
Ropa Keiler 2 RK22 potato harvester: Pick of the litter?
DRIVING IMPRESSION: Although only 20% of the latest Ropa RK22 has changed, those design mods allow even more adjustment options on the two-row potato harvester. The hydraulics and software architecture have benefited from big advances,…
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December 10, 2024
John Deere S7900: Harvesting foresight
DRIVING IMPRESSION: This latest update not only gave the S series a new cab, but John Deere has also taken automation of its single-rotor combine range to a new level. Our driving impression explains how…
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December 1, 2024
Harvesting, GDR style: Team culture
REPORT: Threshing again, as in the days of the GDR — the motto for a special harvesting event that took place at Hohenfinow, Brandenburg, Germany in early July. We take you on a journey back…
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November 1, 2024
Claas Trion 750 TT user review: And the winner is..
REPORT: After carefully considering equivalent machines from three manufacturers, Euston Farms in Suffolk opted for a new Claas Trion 750TT for the 2024 harvest. We visited during its first week to find out more about…
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October 1, 2024
Grimme factory, Niedersachsen, Rieste, Germany: 55 years of Grimme harvesters
REPORT: We’ve been to Rieste, the German home of Grimme self-propelled potato and sugar beet harvesters, to see how they are made and discuss future plans for the plant.
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October 1, 2024
Semi-electric combine drive system: E-boost for combines?
TECHNICAL: Last year, Claas presented a semi-electric drive system for its combines. Could this really work, and exactly how does it improve efficiency? We find out a little more.
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October 1, 2024
John Deere HarvestLab 3000 Grain Sensing: Measuring grainprotein in the field
TECHNICAL: If A-grade wheat doesn’t meet the required quality, it will not achieve the best price from your buyer. Potentially, this risk can be minimised by using a NIRS sensor on your combine. We look…
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October 1, 2024
Combines: Harvesting ideas
TUNING: Managing narrow harvest time windows takes top kit and smooth processes. Here are reader tips that should help you to optimise your own combine harvester.
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October 1, 2024
Sampo Rosenlew Comia C12 combine: Finnish alternative
DRIVING IMPRESSION: Sampo Rosenlew is best known for plot combines, but the Scandinavian machinery business also makes bigger models such as the Comia C12, the irm's largest six-walker harvester. We tucked it into a crop…
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October 1, 2024
Black Beast: On the trail of the Black Beast
REPORT: In our 2022 profi harvest special, we had a small picture of an intriguing machine, looking like a cross between a self-propelled sugar beet harvester and a combine. Since then, there has been a…
