Product Specifications of Komatsu WA300 Loader Cutting Edge 418-815-1221
| Item | Specification |
|---|---|
| Part Number | 418-815-1221 |
| Application | Komatsu WA300-3cs/WA300-1/WA300-3AX/W300-3A Loader (end/corner position) |
| Edge Type | Double beveled reversible bucket cutting edge |
| Thickness | 1.375 inches |
| Width | 13 inches |
| Length | 23.22 inches |
| Plow Bolts | 2 pcs of 1″ x 3-1/2″ (100 x 350) |
| Hex Nuts | 2 pcs of 1″ (100 HEX NUT) |
| Bolt Hole Spacing | 12.719 inches center to center |
| Edge to First Hole | 3.25 inches from bucket edge to center of first hole |
Heat Treatment Process for Superior Wear Resistance
The Komatsu WA300 Loader Cutting Edge 418-815-1221 undergoes a comprehensive quenching and tempering cycle to achieve an optimal balance of surface hardness and core toughness. This heat treatment protocol raises the wear-resistant properties of the high-strength alloy steel, enabling the 1.375-inch thick end blade to withstand prolonged contact with sharp aggregates, demolition debris, and compacted soils. The double beveled reversible design further extends service intervals, allowing operators to flip the edge once the leading face becomes rounded. Metallurgical testing confirms that this 13-inch wide end bit maintains its dimensional stability under heavy shock loads, reducing the risk of cracking or permanent deformation during aggressive loading cycles. The 23.22-inch length makes it ideal for bucket corner protection where wear is most severe.
Installation Tips for Komatsu WA300 End Cutting Edge
Proper mounting of the Komatsu WA300 Loader Cutting Edge 418-815-1221 requires attention to bolt hole alignment. The end edge features two mounting holes spaced 12.719 inches from center to center, with the first hole positioned 3.25 inches from the bucket edge. This configuration matches Komatsu OEM specifications, ensuring a direct fit without modification. Use the supplied 1″ x 3-1/2″ plow bolts and 1″ hex nuts to secure the edge, applying even torque in alternating sequence to distribute clamping force uniformly across the 13-inch width. Before installation, clean the bucket mounting surface thoroughly and inspect the existing end edge for any deformation that might affect fitment. For maximum service life, consider rotating the reversible edge when wear reaches approximately 40% of the original thickness.
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