The AVR CR450M 4x75 is a four-row potato planter manufactured by KOLNAG LLC, designed for fast and highly accurate placement of seed potatoes. The planting units are driven mechanically from the support wheels, which keeps the machine simple, reliable and independent of hydraulic or electronic metering systems.
The 4x75 version plants four rows at 750 mm spacing, with the planting distance adjustable up to 51 cm; a 4x90 modification is also available. The seed hopper holds at least 3,500 kg of tubers, and gentle handling keeps tuber damage within 2%.
The planter requires a tractor of at least 90 hp and weighs 3,240 kg in the base configuration, with overall dimensions of 5165x3200x3016 mm. A key strength of the CR450M is its ability to serve as the basis of a multifunctional complex: at the customer's request it can be equipped with a granulated fertilizer application kit (two 569-litre tanks, KOL001780), a spraying kit (KOL001770) and a ridge-forming plate.
Configured this way, the machine performs several field operations in a single pass — planting, fertilizing, in-furrow spraying and ridge forming — raising productivity to 2.7 ha per hour while saving significant time and fuel. The declared service life of the machine is at least 7 years.
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