To coincide with the launch of the T-series, Deere has chosen to re-jig its harvester line-up with new model designations and a raft of upgrades. 

Hybrid CTS models are re-tagged as the C-series and gain a new 13.5-litre emissions-compliant power-plant and bigger fuel tank. 

Conventional straw-walker W-series machines – previously the six model WTS range – now number just two. The gaps left are filled by new T-series models. 

High-output STS rotary combines gain a simple ‘S’ designation, new 13.5-litre engines, higher output cleaning fans and more efficient sieves.  

The separation area has been increased by the addition of a concave that cradles the final beater. As crop drops out of the back of the main rotor, it passes through this transverse beater (identical to the feed accelerator ahead of the rotor) and any remaining grains are separated on this new concave. 

Up in the cab the control layout has been revised. All monitoring – shaft speeds, etc… – and crop settings are now grouped in the CommandCenter computer borrowed from the firm’s new 30-series tractors. 

Nearly all models in the Deere line-up can now be specified with the firm’s ‘i’ package which includes HarvestSmart automatic speed control, AutoTrac GPS-controlled steering and HarvestDoc recording software. The company claims these features have the combined potential to increase output by 23%.  

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