Komatsu Dozer D40 cutting edge 12F-70-11640/124-Z46-1160/11G-71-21170

Our aftermarket full sets of Komatsu D40 crawler dozer Cutting Edge & End Bits replacement are bolt-on GET wear parts specially designed for D40 crawler dozer buckets. The Komatsu D40 crawler dozers are widely used in road reconstruction, highway subgrade filling, large-site leveling, mass earthmoving, quarry clearing and high-precision slope trimming.

There are mainly 4 raw material options :

1. 30MnB Boron steel : use most, hardness is about HRC 440–500,can balance toughness and wear resistance well,it is ideal for sand, gravel and earth works.

2. C80 Carbon Steel : it is economical, hardness can reach HB280–360 after quenched and tempered, Suit for pure earthmoving and loose material handling, not fit rocky and high-impact sites.

3. NM400/NM450 alloy steel : own superior anti-scouring and wear resistance compared with boron steel, has greatly extending service life for long-term gravel, aggregate and construction debris working scenarios.

4. Mn13 high manganese steel : own work-hardening property, the surface will get harder under continuous impact. It fits occasional rock and hard impact. Not economical for pure earthmoving.

We can supply various bevel design cutting edges for Komatsu D40 crawler dozers , including double bevel cutting edge,single bevel cutting edge, square edge and segmented cutting edge. Different bevel design fit different working site condition.We can also supply various end bit styles, including standard bolt-on end bit,heavy duty reinforced end bit,weld-on end bit and serrated end bit.

Welcome to contact us for more details ! We can supply aftermarket cutting edge and end bits for Komatsu D40 crawler dozers All of our cutting edge is made of one-piece weld-free steel with three bevel options. End bits adopt reinforced forged corners for superior resistance against side impact and abrasion. Normal production lead time is 25–35 working days upon receipt of deposit.