Claas adds Terra Trac with turning footprint of a wheel on forage harvesters


Claas has extended its track technology from combines and tractors to forage harvesters, with Terra Trac now being trialed on the Jaguar line, with a feature designed to reduce scuffing when turning.

The option to use tracks, according to the company, means increased traction, and lower rut formation, complete with an automatic reduction of contact area when needed.

“At the ends we have the ability to lift the front part of the track to make less contact surface then at the headlands,” says Claas’ Bob Armstrong, “so when you turn around to come back into the next windrow you haven’t damaged any plant.”

TechTour: Claas aims for the best of both tracks and wheels

The ability for the Terra Trac to lift is referred to as “headland potential” by Claas. The lift, which sees the machine supported by the track’s middle rollers, occurs automatically when the forage harvester is cornering or turning. According to Claas, this change brings the pressure and contact area of the tracks to roughly that of 800-size tires.

The Jaguar Terra Trac is currently undergoing field trials, with a full release hoped for the North American market around 2020.

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