Product Specifications – CAT 120G Grader Cutting Edge 5D-9553
| Specification | |
|---|---|
| Part Number | 5D-9553 |
| Application | CAT 12H NA 140H NA 12H 12G 120H 130G 120G 120B 135H NA 12H ES 140H ES 140 120H ES 143H 120 135H 140H 140G 12F 120H NA 12E 14E130G 140G 12G |
| Edge Shape | Curved |
| Edge Type | Continuous (non-serrated) |
| Material | DH2 (Quenched and tempered) |
| Overall Length | 1,826.4 mm (71.906 inches) |
| Width | 152.4 mm (6 inches) |
| Thickness | 15.9 mm (0.626 inches) |
| Hole Quantity | 13 |
| Hole Size | 5/8″ plow bolt (18mm square shank) |
| Hole Spacing | 152.4 mm (6.0 inches) center to center |
| End Hole Spacing | 76.2 mm (3.0 inches) from each end |
| Edge Profile | Curved continuous |
| Wear Rating | Standard durability |
Material Composition and Heat Treatment for Optimal Durability
The CAT 120G Grader Cutting Edge 5D-9553 is manufactured from quenched and tempered steel, delivering an optimal balance of surface hardness and core toughness. This heat treatment process enhances wear resistance while maintaining ductility to absorb shock loads encountered during road maintenance and site leveling. The curved continuous edge design promotes smooth material flow and efficient distribution, reducing operator effort during fine grading operations. With a standard durability rating, this 15.9mm thick blade provides dependable performance for general motor grader applications.
Compatibility and Installation for CAT Motor Graders
This curved cutting edge features 13 bolt holes sized for 5/8-inch plow bolts (18mm square shank), with hole spacing of 6.0 inches center to center and 3.0 inches from each end to the first hole. The 1,826.4mm overall length and 152.4mm width match CAT OEM specifications, ensuring direct bolt-on fitment for CAT 120G and numerous other models including 120, 120B, 120H, 12E, 12F, 12G, 12H, 130G, 135H, 140, 140G, 140H, 143H, 14E, and 322B. Installation requires no modification—simply align the 13 mounting holes and secure with standard 5/8-inch plow bolts and matching nuts for immediate field use.
Frequently Asked Questions About CAT 5D-9553 Grader Blade
What material is used for this blade?
-DH2 quenched and tempered steel for strength and wear resistance.
What are the exact dimensions?
-1,826.4mm (71.906″) length × 152.4mm (6″) width × 15.9mm (0.626″) thickness.
How many bolt holes does it have?
-13 holes for 5/8″ plow bolts (18mm square shank).
What is the hole spacing?
– 6.0″ center to center; 3.0″ from each end to first hole (76.2mm).
Is this a curved or straight blade?
-Curved continuous edge for efficient material movement.
Is it compatible with CAT 120G?
-Yes, designed specifically for CAT 120G and multiple other CAT motor grader models.
Is this a serrated edge?
-No, non-serrated continuous edge for smooth grading.
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