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Ready for Harvest

September 2, 2010
By: Margy Eckelkamp, Farm Journal Machinery Editor and Test Plot Director
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Claas of America introduces the Lexion 700 Series combines. Model stretch across Class 6, Class 7, Class 8, Class 9 and even Class 10.

Lexion 730 and 740 combines are powered by a 8.8 L Caterpillar C9 ACCERT engines and have a power folding grain tank with a capacity of 300 bu.  

Lexion 750 and 760 combines are powered by 12.5 L Caterpillar C13 ACCERT engines and have grain tank capacities of 330 bu. and 360 bu, respectively. 

The Class 10 Lexion 770 is powered by a 16 L Mercedes engine. Its engine horsepower at rated speed is 523 hp and the maximum engine horsepower is 563. The grain tank capacity is 360 bu. 

The Lexion 700 Series features the Accelerated Pre-Separation (APS) threshing system. 

Rounding out the lineup is the Lexion 670, a straw walker model. It has a 280 bu. grain tank and is powered by a Caterpillar C9 engine.   

Grain unloading rates for the Lexion 730 and 740 are 2.8 bu./second with an optional 3.3 bu./second available. The rest of the lineup has a standard unload rate of 3.3 bu./second. 

For easier grain return evaluation, the operator can look directly into the returns cross auger through the returns window located in the lower right hand rear corner of the cab. Also the observation window at the back of the cab looking into the grain tank has been enlarged 50%. A new grain sample outlet eliminates the needs to fill the grain tank half full to take a quality sample. 

The Lexion 750, 760, 770 are equipped with a new design Clean Sweep system, which is an automatic system that continuously cleans the radiator in a sweeping motion to remove debris. The Lexion 670, 730, and 740 feature an automatic dust extractor that continuously cleans the hydraulic rotating radiator frame. 

The Lexion 740, 750, 760 and 770 combines can be outfitted with the third generation of Terra Trac tracks. The newest track design allows for a top transport speed of 25 mph for the 750 Terra Trac model. The new Terra Trac features independently suspended drive wheel, idler wheel and bogie wheels increasing operator comfort and machine stability on curves. 

On-demand hydraulics provide 50% faster hydraulic flow compared with previous series. As soon as an operator engages a function, such as feederhouse lift control, there’s an automatic response.

At the back of the machine, Lexion combines can be outfitted with three different residue management options. 

Inside the cab of the new Lexion harvester, operator will find advanced comfort features. The 8.4” color CEBIS console is mounted with seat so the two move together. There is one button access for common commands. Yielding mapping and GPS, through a partnership with AutoFarm are in a single unit. Yield mapping with sensors in the Lexion measure the yield and grain moisture while either the CEBIS or Ag Leader Integra displays add geographic coordinates. Field data can be managed using optional Ag Leader or Farm Works software. Also, Lexion combines can be outfitted with Claas telematics for remote diagnostics. 

The optional Cruise Pilot system automatically controls machine speed in three ways: constant speed, constant throughput, or constant throughput with losses. 

Adding to their corn head lineup is an 18-row 20” model. Joining the harvesting head lineup from Claas are narrow chopping corn heads in 12-row 22” and 18-row 22” configurations. 

The new draper head from Lexion is the MaxFlo, which is available in 35’ and 40’ widths. Its intake system using an intake auger instead of the traditional center feed belt. The feed drum speed can be adjusted to three settings: 150 rpm, 200 rpm and 250 rpm. 

The MaxFlo can be converted into a swather platform as well. 

The Vario 1200 and 1050 are added to the harvest head lineup as well. Using the Vario head’s fore/aft cutterbar adjustment, the operation is able to maintain a more consistent crop flow to the APS threshing system. This provides smoothness for maximum cutting performance. The Vario 1200 and 1050 are 40’ and 35’, respectively. 

For more, visit: www.claasofamerica.com

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