The 138-6440 double bevel cutting edge (DBF 45×406×1217) is a heavy-duty, large-size wear part designed for bulldozers and high-load earthmoving equipment. Featuring a double bevel flat blade design, this cutting edge allows reversible use, significantly extending service life and reducing replacement costs in demanding environments.
With a 9-hole mounting configuration, this bulldozer cutting edge provides strong and stable installation, ensuring even load distribution during operation. Manufactured from high-quality high-carbon steel or boron steel and processed with advanced heat treatment, it delivers superior wear resistance, high impact strength, and excellent durability in mining and large-scale construction projects.
| Parameter | Specification |
|---|---|
| Part Number | 138-6440 |
| Blade Type | Double Bevel Flat |
| Size | 45 × 406 × 1217 mm |
| Hole Quantity | 9 |
| Weight | 164.8 kg |
| Material | High-carbon steel / Boron steel |
| Hardness | HB280–HB500 (optional) |
| Application | Heavy-duty bulldozers |
The 138-6440 cutting edge is widely used in:
Q1: What is the size of the 138-6440 cutting edge?
A: It measures 45 × 406 × 1217 mm and features 9 mounting holes.
Q2: What is the advantage of the double bevel design?
A: It allows the blade to be reversed, doubling service life and reducing replacement frequency.
Q3: What type of machines is this suitable for?
A: It is designed for large bulldozers used in mining and heavy-duty applications.
Q4: Do you support OEM customization?
A: Yes, we provide OEM & ODM services including size, hardness, and hole configuration.
For parts not listed on above page, please send to sales@mtw-blades.com for more information
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