New Holland combines size with function

  • 24-Jul-2008 03:43 EDT

New Holland's CR9080 twin rotor combine is said to generate more centrifugal force than any other rotary combine for faster separation, higher grain quality, and larger capacity.

To meet the apparent demand for massive machinery, New Holland has unveiled the CR9080, the largest combine harvester available in North America. Despite boasting the most power, largest threshing capacity, largest cleaning area, and largest cab, the combine has a mass of 36,831 lb (16,706 kg) with an empty grain tank, without head; less, New Holland says, than some smaller competitors.

The CR9080 is powered by a turbocharged six-cylinder New Holland Cursor 13 engine, displacing 12.9 L and rated at 483 hp (360 kW). It delivers a 40 hp (30 kW) power rise to make 523 hp (390 kW) when under load and can accept 100% biodiesel in its 264-gal (1000-L) tank.

The engine is electronically managed to shift power when needed, so there is no need to slow down when unloading. For rapid unloading, 21 or 24 ft (6.4 or 7.3 m) augers deliver grain at 3.2 bushels per second from the 350-bushel tank.

The Advanced Stone Protection system is standard equipment that uses sensors to protect the twin rotor combines from costly stone damage. Located below the crop, the sensors differentiate between rocks and grain, detecting and ejecting stones without impeding crop flow.

New Holland’s twin rotors generate the highest centrifugal force of any rotary combine for the fastest separation on the market. The unique “S3” rotors use separator bars that are staggered, segmented, and spiraled to control the crop, moving it evenly and eliminating bunching of material.

The twin rotor chamber promotes a high level of grain-on-grain threshing—a much gentler threshing process than metal-on-grain—to drastically reduce the opportunity for grain damage. The twin rotors spiral the crop rearward through the adjustable concave area, where 100% of the crop is threshed and 90% is separated.

Straw, cobs, and residue are directed to the residue management system by the rotating discharge beater located behind the rotors. In tough harvesting conditions, an adjustable beater grate allows trapped grain in the straw or residue to be saved.

The self-leveling grain cleaning area is reported to be the largest on the market, offering 70 ft2 (6.5 m2) for improved performance.

The standard "Harvest Suite" cab design has 110 ft3 (3.1 m3) of space for operator comfort. The new IntelliView display is standard equipment and provides customized performance information including rotor speed, header height, engine speed, engine load percent, sieve performance, grain loss, returns, and the self-leveling cleaning system status.

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