Ningbo yuanda machinery Co.,Ltd is a professional manufacturer of cutting edge and end bit for all brands of construction machinery, It cooperates with a trading company named Ningbo For-Global International Trade Co., Ltd whom suppliers with cutting edges, end bits, bucket tooth, adapters, bolts& nuts, and other G.E.T products.

Our products are suitable for all brands of dozers, and could make as customer's sample or drawing.
After quenching and tempering heat treatment, the mechanical properties could reach the internationsl standard.

The prodcuts are built to deliver superior performance and long wear life which can make a real difference in your applications.


Caterpillar spare part bulldozer cutting edge 6Y5539
1) Part number: 6Y5539
2) Material: Carbon steel or boron steel with heat treatment
3) Hardness: HB300~350 or HB 380~450
4) Color: Cat yellow
5) Certificate: ISO9001:2008

Dozer Cutting Edge & Accessories:

OEM Replacement or Custom Design

Carbon Steel (Heat Treated) & Boron Steel (Heat Treated)

Thickness from 13mm to 85mm

End Bit: Level Cut, Hot Cupped & Casting

Ripper Shank, Teeth & Guard

Superiority: High quality.
                       Good after price.
                       Reasonable price. Long wearlife.

                       For brands: Caterpillar, Komatsu, ESCO, Fiat, Hyundai, Case, Sany etc.

                       OEM: Make as customer's samples or drawings.


Parts of cutting edge are as follows:

6Y5539 bulldozer blade for Caterpillar
A) Figure:

B) Dimension:

The picture of cutting edge for caterpillar dozers 6Y5539: