New Holland introduces 12.5m Varifeed grain header

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In response to increasing demand from farmers for maximum harvesting efficiency, New Holland has introduced its widest grain header yet, the Varifeed 12.5m.

New Holland introduces 12.5m Varifeed grain header
New Holland's 12.5m grain header is specifically suited for farmers utilising Controlled Traffic Farming systems.

New Holland says the header can be used in combination with its CR combine harvester to help optimise machine capacity for farmers.

The new Varifeed 12.5m (41-feet) header is also expected to respect the required tolerance Controlled Traffic Farming (CTF) dictates.

CTF is increasingly being utilised on farms around the country to help minimise soil damage and increase crop yields by confining field equipment such as tractors and harvesters to the fewest possible permanent traffic lanes.

The Varifeed 12.5m header, suitable for the company’s full range of CR combine harvesters, will enable grain farmers to achieve maximum yield with fewer passes across the field.

New Holland says its development team decided a width of 12.5m would best suit Controlled Traffic Farming systems based on 12.2m (40-feet) operating widths, especially the case in Western Australia.

The new grain header is based on a robust welded frame design. The adjustment range for the blade in longitudinal direction is 575mm and adjustment is performed electro-hydraulically from the cab.

This means the header can be adjusted to suit different crops; from canola to cereal to beans and lentils.

The header is equipped with four wide Autofloat sensing pads that enable its height and inclination to adjust automatically.

New Holland nevertheless says a working width of 12.5m creates a challenge not just for the chassis and overall design but also the knives, auger, reels and drive units.

The new 12.5m Varifeed header is driven by two shafts. A knife drive wobble box on each end of the head provides power to the dual sickles.

With a torsion damper on the left and right, the two knife drives move the harvester knives which have an overlap at midpoint.

The two piece auger is supported in the centre with a bearing and timed to provide excellent feeding.

To ensure a continuous feed and excellent visibility of the header, New Holland design engineers chose to use a single piece reel driven hydraulically and automatic speed control.

According to New Holland Combines Product Manager Tony Peters, the 12.5m Varifeed grain header is available in limited volumes for the 2014 season.

"With the release to our dealers in 2013, we have already seen 25 percent of our allocation from the plant sold," he says.

"I expect the majority of this size Varifeed header to be sold in Western Australia, which is ideally suited to the CTF programs practiced by many farmers.

"Naturally they are also suited to farmers requiring a 41-feet head for normal applications."

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