Waratah 400 Series 4 Roller - H412

The Waratah H412 is a compact head made for small wheeled and tracked machines. With its powerful feed, accurate measuring, and excellent delimbing performance, the H412 combines the advantages of two and four-wheel-drive harvester heads. Its compact size makes it highly maneuverable in dense thinning stands, and its multi-tree-handling equipment is ideal for energy wood harvesting.

Specifications:

Manufacturer:John Deere Construction
Model:H412
Brand:John Deere
h3. Dimensions:
Width arms open:(1320 mm) 4.3 ft.
Width arms closed:(1070 mm) 3.5 ft.
Height without rotator and link:(1155 mm) 3.8 ft.
Weight:Without rotator and link - (733 kg) 1,615 lb.
h3. Felling/Cutting:
Maximum diameter saw cut:(470 mm) 18.5 in.
Saw bar:(540 mm) 21.3 in.
Bar Type:(10 mm) .404 in.
Chain speed:(m/s, ft./s) 40 m/s 132 ft./s
h3. Feeding:
Feed:force gross*
With 450/200-cc motors:(17 kN) 3,822 lbf
Speed:4.5–6.0 m/s 15–20 ft./sec.
Maximum feed roller opening:(530 mm) 20.8 in.
Delimbing knives:3 moving, 2 fixed
Delimbing diameter, tip to tip:(370 mm) 14.6 in.
Maximum opening, upper knives:(550 mm) 21.6 in.
Maximum opening, lower knives:(600 mm) 26.3 in.
h3. Hydraulic Requirements:
Maximum operating pressure:28 MPa 4,061 psi
Recommended pump capacity:200–280 l/min 53–74 gpm
h3. Control and Measuring System, Adaptation:
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