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John Deere introduces new, small-size H423 harvester head and the large-size H425 and H425HD with 4WD feed and replaces the previous H413, H415 and H415HD models
According to John Deere, the H423 harvester head works on the 1070G, 1170G and 1270G wheeled harvester base machines and is ideal for thinnings and other fellings, where the tree diameter at chest height (BHD) is 150-350 mm. With a new hose routing from boom to harvester head, and from valve block to feed motors, this attachment aims to offer improved durability, easy hose replacement and improved hose protection with modifications to the frame. It has an operating range of minimum diameter at chest height (BHD) 40 mm to a maximum 500 mm.
The H425 harvester head for the larger size class is available on the 1270G and 1470G wheeled harvester base machines. This attachment is suited for final fellings and other fellings for tree diameter at chest height (BHD) is 250-500 mm. This model also includes the new hose routing from loader to harvester head and from valve block to feed motors, the hoses are routed through the frame and well protected within the structures, improving durability. Additionally, the H425HD harvester head added to the H425 model offers an HD tilt frame, expander pins in the upper end of the tilt cylinder, feed motor arms, and lower delimbing knives.
Sakari Suuriniemi, product marketing manager wheeled Harvesters and heads at John Deere Forestry said, "The new harvesting heads provide excellent performance, durability, measuring accuracy and economy. So far, we've received great customer feedback on the latest updates and can't wait to see the updated harvester heads in action this season."