In 2006, Rostselmash introduced the 5-drum Arcos. Its appearance and fresh color scheme gave a modern impression, but upon closer inspection, the finishing was not very high quality. The Acros was similar in size to the earlier Don-1500. The threshing drum width was 150 cm and the diameter 80 cm. The cutting headers ranged from 5 to 9 meters. Standard equipment included, among other things, a header trailer, automatic speed control for the unloading auger, an electronic monitoring system for functions and blockages, and Schumacher blades operated with a planetary gearbox. The Arcos 530 was equipped with a 250-horsepower YaMZ engine and the 540 with a 260-horsepower Cummins engine. Later, the lineup was expanded with the 580, which had 280 horsepower. In 2001, a 300-horsepower 580 and the 590 Plus were introduced; the latter featured slightly longer drums, a power chopper, adjustable spreading angle from the cab, two fans, and a three-section sieve. Rostselmash did not opt for a twin-threshing drum design, instead listing in the brochure the superior advantages of a single large-diameter drum.

In 2015, the Acros was renovated. The controls in the cab were centralized to the armrest and joystick, and the air conditioning was improved. The header’s hydraulics could now be connected with a single connector. The feed conveyor housing was modified so that the returning paddles did not pass through the same housing. The gray parts in the combine’s coloring were changed to black. Even when expanded, the grain tank was protected from rain. The 595 Plus, introduced in 2016, also featured cutting header tilt. The price of the Acros 580 was about 150,000 euros, whereas similarly sized combines from the best-known brands cost around 250,000 euros.

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