It was the New Holland CR9090 Elevation, as you can see in the videos section, but now, the Harsenwinkel guys make it again, with the certification by the Guinness Book of Records.

The farmer, Keith Challen, has harvested 532 tons of wheat in 8 hours, which is a 18 percent more than the old record.

claas lexion 580 world champion guinness record

Due the bad british summer, at last, on 16th September, the sky was clear and Challen was able to harvest.

The Combine Lexion 580 was fitted with high technology, such as GPS steering and a cut blade of 10.5 metres.

CLAAS Lexion 580 with TELEMATICS system

a full article can be found at CLAAS website.