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Sunflower Adds 1436 Disc Harrow

Updated: 02/05/2014 @ 10:08am

Sunflower unveils the 1436 series disc harrow as the latest representative of the company’s 1400 series tandem disc harrows.

“Residue management tillage has become one of the necessities of higher yields,” says Larry Kuster, Sunflower. “Heavy residue, particularly corn residue, can negatively affect the following season’s crop in many ways.

“The growing popularity of corn-on-corn farming demands that residue be sized and incorporated into the topsoil, where it can begin decomposition quickly with the aid of soilborne beneficial bacteria and fungi,” explains Kuster.

“The 1436 series Sunflower disc has been designed specifically for this task,” adds Kuster. “The heavy frame, increased weight per blade, the aggressive overlapping 20-degree front-disc gangs, and full-concavity disc blades provide a dependable system to slice through the thickest mat of BT corn residue to cut the stalks and mix them with the soil and start their decomposition.”

Heavy-Duty Features
All models of the 1436 Series, from 21 to 36 feet, feature thicker wall tubing for a stronger, heavier frame. The machines are accurately balanced to accommodate heavy finishing reels and ride on larger tires, wheels, hubs, and spindles for improved movement from field to road. Extensive use of Ultra High Molecular Weight (UHMW) bearings on gauge wheels, lift components, and wing frames allows for fewer metal-to-metal bearing surfaces and less time spent greasing and maintaining the tillage tool.

Sunflower engineers offset the front- and rear-disc gangs to allow the front gang to clear-cut the entire width of the soil profile. The 1436 offers an optional dual cab-controlled spring-cushioned hydraulic fore-and-aft adjustment, as well as the standard mechanical adjustment.

The undercarriage of the 1436’s all-welded frame is designed to compliment the machine’s increased ground-holding weight with bigger walking-tandem mounted eight-bolt hub wheels, as well as larger spindles and bearings throughout the model range. Gauge wheels on the 1436 are mounted with UHMW bearings to reduce maintenance. “UHMW bearings support the 1436’s lift system in all fold locations and lift pivot points,” explains Kuster. The new lift system doesn’t have twist-and-strain complications with its design, which allows easy folding to transport heights ranging from 9 feet 4 inches to 16 feet 1 inch.

On the business end of the 1436, C-Flex mounted gang assemblies provide rock protection and are offset to center the standard between the blades for optimum material flow through the machine. “Blade spacings are 8 ¾ inches or 9 ½ inches with 24-inch full-concavity boron blades, with a rollable boron blade option available,” says Kuster.

Behind the 1436, you have the option of three finishing reels. “Growers can choose either 11- or 14-inch diameter flat-bar reels for aggressive clod and residue crushing or the 14-inch diameter chevron-rod type preferred for soil compression.”

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