Since its introduction in 1986, the Lemken Terradisc cultivator has undergone several modifications. One of the most significant was the change made to the disc depth setting system, a feature we criticised on an earlier Terradisc back in 1992. Here we test the 1997 version, to find out whether Lemken’s latest mods have worked.
Lemken has made a host of changes to the Terradisc since its launch. But do these changes add up to a genuine improvement, or are they simply no more than changes for changes’ sake?
As with previous 3m versions, the mass market Terradisc model is still based around seven winged tines. But these are now arranged on a new two-bar main frame, with three units at the front and four following behind.
Spacing between each tine unit rises from 75cm to 80cm and this, combined with an unchanged underbody clearance of 80cm, gives improved performance in trashy conditions. To cope with these tougher working conditions, the cultivator is also stronger, thanks to the switch to a beefier 100mm x 100mm box section frame.
The basic tine leg itself is curved from about half way down. Shape and position of this curve have been altered from previous designs to enable the tine wings to work more effectively at shallower depths. Measuring 43cm across, each wing comprises two cranked-shaped halves which bolt
individually to a separate, replaceable frog.
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