Balers have been a key part of the Claas portfolio since the company introduced the Press-Bu-Bi 95 years ago, having already filed a patent for the knotter hook a decade earlier. In the near century since, the company has produced and sold more than 400,000 balers worldwide. Now it is celebrating 30 years of its variable chamber balers. The Variant 180 was launched in 1996, following a few years of OEM production of the Variant 16. Key to this was active bale start and drive via the rotor, which ensured a reliable bale start even in difficult conditions and provided…