Claas upgrades Lexion combine cutterbars

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Improvements to Vario cutterbars, standard on Claas Lexion combine harvesters, will be fitted as standard on new models delivered next year.

The upgrades to Claas' Vario cutterbars will make it easier to access stripper bars and knives

Claas will give easier access to the stripper bars and mechanically driven canola knives on its range of Vario variable cutterbars designed for Claas Lexion combine harvesters as part of a series of upgrades.

The new features, which also include a new reel drive and automatic reel height adjustment, will be fitted as standard on 13.8, 12.3 and 10.8 m models delivered to Australia from 2022 onwards.

Claas Harvest Centre product manager for the Lexion Steve Reeves says the narrower reel drive and its hydraulic driveline will allow the Vario cutterbars to adjust by the full allowance of up to 70cm, even with canola knives fitted.

Another measure to improve operator comfort and convenience is the hydraulic height adjustment of the intake auger, controlled by the CEBIS terminal inside the cabin.

"This allows the operator to adjust the height of the auger by up to 25mm upwards and 10mm downwards to adapt to changing harvesting conditions," says Reeves.

"The height adjustment control unit mounted on the cutterbar features a rotary switch that moves the auger into its cleaning and transport positions.

"It also activates work lights on the combine harvester to assist with the fitting and removal of the cutterbar at night."

The optional mechanically driven canola knives have an integrated overload clutch and a 50 percent greater cutting force.

"This means the front can cope with even the most challenging areas, such as at the edges of fields or those with heavy weed growth," says Reeves.

"The knives can be fitted in a matter of seconds without using tools, thanks to the clever plug-in and quick-release couplers.

"They are also one third lighter than the previous units, makes installation even easier."

Fitting and removing the dividers for grain threshing is also made easier by a new clamping system, he adds.

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