Komatsu Dozer D155 cutting edge 195-70-12492/17A-71-11351/17A-71-12221

Our aftermarket full sets of Komatsu D155 crawler dozer Cutting Edge & End Bits replacement are bolt-on GET wear parts specially designed for D155 crawler dozer buckets. The Komatsu D155 crawler dozers are widely used in open-pit overburden stripping, mass earthmoving, dam construction, site grading, weathered hard rock excavation, port and airport heavy infrastructure.

To ensure stable quality,our factory execute strict quality inspection during our entire process :

1. Material Test: use spectrometer inspection to verify chemical composition , ensure alloy elements like carbon, chromium and manganese meet standard.

2. Hardness Test: adopt random Rockwell hardness test,ensure uniform hardness for cutting edge and end bits and working surface reaches required hardness while maintaining proper toughness to avoid brittle fracture.

3. Dimension Inspection: we will check overall length, thickness, bolt hole pitch and bevel angle, and control tolerance within industrial standard.

4. Visual & Magnetic Particle Inspection: no cracks, porosity or laminations. No chipping on cutting edge and no burrs around bolt holes.

5. Sampling Impact Test: our technician will simulate working impact to verify anti-breakage performance.

Welcome to contact us for more details ! Our aftermarket cutting edges and end bits have several material options including 30MnB boron steel, C80 high carbon steel, NM400/NM450 alloy steel and custom Mn13 manganese steel . The cutting edge styles include double bevel cutting edge,single bevel cutting edge, square edge and segmented cutting edge,and the end bit styles include standard bolt-on end bit,heavy duty reinforced end bit,weld-on end bit and serrated end bit. Normal production lead time is 25–35 working days upon receipt of deposit.