Driving impression: Kongskilde Delta Flex cultivator The rigid-tine Kongskilde Delta Flex cultivator looks, at first glance, much like the company’s now well-established Vibro Flex 7400. Though built to tackle stubble busting on heavier land, the Delta Flex is, however, more than just a rigid-tine alternative to its Vibro sib, as James de Havilland discovers on witnessing a 6m trailed model undergoing its final trials

Before focusing on the Delta Flex, it is perhaps first worth taking a sideways glance at the Vibro Flex 7400. Launched into the UK only a couple of seasons ago, the Vibro Flex 7400 series is essentially a development of the ‘lighter’ duty Vibro Flex 4000 and 6000 cultivators. The design aim was to enable the original Vibro Flex concept to tackle tougher stubble busting on seriously trafficked, heavier soils.

Vibro Flex 7400 cultivators are offered in 2.5, 3.0, 4.0 and 5.0m mounted and 4.0, 5.0, 6.0 and 7.0m trailed versions, and are suitable for tractors of up to around 200-250hp. Key features include the option of fitting mixing discs up front, followed by a set of vibrating tines, levelling discs and crumble roll or solid packer at the rear for consolidation.

Though better suited to heavier ground than the Vibro Flex 4000 and 6000 models, the 7400 series still doesn’t target those working the stiffest land – the type of dirt that prevails in many parts of the UK. And it’s here that the new Delta Flex stubble cultivator range steps in. The important headlining difference is that, whereas the Vibro Flex relies on its trademark vibrating tines, the Delta Flex comes with newly developed, winged rigid units, which are available with either non-stop spring or shearbolt protection.

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