Robust and efficient deep breather of the Verti-Drain® 7521. This is a high-capacity machine that combines a large working width with a substantial working depth in one and the same unit. The model is very popular among entrepreneurs and golf clubs thanks to its versatility and ability to handle a wide range of sticks for different types of aeration work. • Large working depth: Can work down to a full 400 mm (16). • Wide application: Adapted for a wide range of solid and hole pegs for varying ground conditions. • High capacity: Efficient deep airing for large areas such as sports fields and golf courses • Driving: Tractor mounted (Trepoint CAT 2) • Working width: 2.1 metres (83) • Max. working depth: 400 mm (16) • Weight: 1,375 kg • Capacity (max): Up to 1 470 m2/h (at 65 mm hole spacing) • Working speed: 0,7 km/h (at 65 mm hole distance) • Hollow distance (direction of movement): Adjustable between 50 and 195 mm • Side-by-side hole distance: • 65 mm (with 12 mm sticks) • 129 mm (with 24 mm sticks) • Max. diameter of sticks: • Solid sticks: 24 x 400 mm • Hollow pins: 32 x 300 mm Tractor requirements • Power requirement: At least 55 ps • Lifting capacity: At least 1 650 kg (610 mm behind the lifting arms) • Power outlet (PTO): max 500 rpm Other info • Slide coupling: Setting 800 Nm • Gearbox oil: 80W90 - 5,8 litres • Lubricants: EP2 Facts from the manufacturer's website