Driving impression: Claas Jaguar 980 forage harvester There would seem to be no real let-up in the push for more self-propelled forage harvester output. Krone heads the hp chart with the 1,000hp BiG X 1000, and towards the end of last year the sector leader Claas announced that it was also giving its line-up a muscle uplift with the launch of its 950, 960, 970 and 980 models. We drive Claas’s new forager flag, the twin-engined 830hp Jaguar 980, fitted with a ten-row Orbis 750 maize header