Ningbo yuanda machinery Co.,Ltd is a professional China 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.

With nearly 30 years of experience in mechanical field, we know quality is the fundamental, so we focus on and make the quality improvement continuously. We only choose the quality certificated carbon steel and boron steel as raw material which shows a stable mechanical performance. During each production process, we have strict quality control system and before final packaging, we will inspect the dimensions and hardness to guarantee each product could meet customer's requirement for different working conditions.

We specialized in manufacturing various cutting edges for all brands of Motor grader, Bulldozers, Excavator, Loader and Scraper.

Komatsu D60 D65A D65P-8 dozer cutting edges blade 144-70-11131
Material:High carbon steel or boron steel
Hardness:HB260~320 or HB380~450
Certificate: ISO9001:2008
For brands: Caterpillar, Komatsu, ESCO, Fiat, Hyundai, Case, Sany etc.
OEM: Make as customer's samples or drawings.

Range: Thickness from 16mm to 60mm.
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.
Our prodcuts are built to deliver superior performance and long wear life which can make a real difference in your applications.

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


144-70-11131 dozer blade for komatsu:
1) figure:

2) Dimension:

The picture of komatsu cutting edges for bulldozers 144-70-11131: