Notched disc harrow blade 56393 diameter 610 mm square hole 41 mm

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Notched disc harrow blade 56393 diameter 610 mm square hole 41 mm

Notched disc harrow blade part number 56393 engineered for heavy duty tillage machinery and disc harrows. Manufactured from high grade 30 MnB 5 boron steel, it features a 610 mm diameter, 41 mm square center hole, heavy duty 6 mm plate thickness, and 84 mm concavity, delivering aggressive residue cutting and maximum wear resistance in tough soils.

30 MnB5 boron steel
Notched cutting edge
Deep 84 mm dish concavity

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Description

Notched harrow disc blade 610 mm square bore 41 mm - Part number 56393

Replacement notched disc harrow blade for heavy agricultural disc harrows and soil cultivators, commercial part number 56393. Engineered for primary soil fracturing, aggressive clod crushing, and thorough slicing of heavy crop residues, it delivers exceptional ground penetration even in heavy, compacted conditions. Manufactured from high-tensile 30 MnB5 boron steel, it ensures superior resistance to abrasive wear along with structural elasticity to withstand sudden stone impacts. It features an overall diameter of 610 mm, a deep 84 mm dish concavity, an extra-heavy 6 mm plate thickness, and a 41 mm center square bore for extra-heavy-duty gang axle mounting.

Key features

30 MnB5 boron steelHeat-treated alloy steel formulation engineered to maximize surface hardness against abrasion while resisting severe shock loads.

Notched cutting edgeScalloped perimeter designed to maintain continuous gang rotation, slice dense root systems, and tackle hard untilled ground.

Deep 84 mm dish concavityCalibrated curvature profile optimized for effective soil turnover, clod fracturing, and residue burial into the seedbed.

Extra-heavy 6 mm thicknessRobust disc plate engineered to withstand extreme torsional stress and prolonged wear in harsh, heavy soils.

41 mm square center holeHeavy-duty central opening ensuring a secure, non-slip lock onto large-section harrow gang axles.

Specifications

Commercial part number	56393
Product type	Notched disc harrow blade
Material	Boron steel 30 MnB5
Diameter	610 mm
Center bore	Square 41 mm
Thickness	6 mm
Concavity	84 mm

Fitting tipsBefore installing the disc onto the square gang axle, clean off all dirt buildup, rust, and surface burrs from the shaft and mating spool spacers. Slide the notched blade into position ensuring the 84 mm dish concavity and cutting notches face the required operating angle of the gang assembly. Ensure that the 41 mm square bore seats flush onto the shaft without excessive bind to eliminate localized stress points. Torque the axle gang nut to the equipment manufacturer's specified rating and check the complete disc pack for proper tightness after the initial operational hours in the field.