Komatsu Dozer D20/D21 cutting edge 104-72-21140/10G-Z46-1120/104-Z40-1160

Our aftermarket full sets of Komatsu D20 D21 crawler dozer Cutting Edge & End Bits replacement are bolt-on GET wear parts specially designed for D20 D21 crawler dozer buckets. The Komatsu D20 D21 crawler dozers are widely used in site leveling, landscaping, farm land preparation, residential construction, road repair and shallow trenching.

We can supply various bevel design cutting edges for Komatsu D20 D21 crawler dozers, including double bevel cutting edge,single bevel cutting edge and square plain 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 thickened end bit and slim sloping end bit.

As to raw material , there are mainly 3 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. NM400 alloy steel: hardness is about HB360-420, own better abrasion resistance than boron steel for continuous gravel wear. Not recommended for heavy rock impact.

3. 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.

Thanks for your interest in Komatsu compact dozer D20 and D21 cutting edge and end bit.To provide you with accurate quotation, could you tell us below information ?
1. Exact model: D20P / D21A / D21P? Straight blade or U-blade?
2. Working condition: earth, sand, gravel or occasional rock?
3. Preferred material & style of cutting edge and end bit?
We can offer OEM equivalent quality, full inspection report and competitive price. Waiting for your reply.