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E70b E307 Top Roller Carrier Upper Top Roller for Excavator Spare Parts

E70b E307 Top Roller Carrier Upper Top Roller for Excavator Spare Parts

Our Carrier Roller, Top Roller, Upper Roller are adopting through hardening system and spraying quenching system while complying with the stringent ISO System.
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Product Details of E70b E307 Top Roller Carrier Upper Top Roller for Excavator Spare Parts

Product Introduction

The core of mass customization is to reduce product cost and improve product quality while providing customers with diversified Mini Excavator Sprocket, Bulldozer Track Shoe, Hydraulic System. During the future strategic planning period, our human resource strategy construction will be focused on attracting, cultivating and retaining talents in three aspects. We are grateful that the good policy of reform and opening up has brought us rare historical opportunities, it is the care and support of governments at all levels across the country that has given our company good development space. To solve the problem of core competitiveness of enterprises, it is necessary to introduce advanced and scientific management methods and management concepts.

Product Description

Bulldozer Upper Carrier Roller is made of 50Mn. It has many types and large quantities, which can support the weight of conveyor belts and materials. It is adopting through hardening system and spraying quenching system while complying with the stringent ISO System. And it has extremely high wear resistance and extremely low friction coefficient. Our Bulldozer Upper Carrier Roller is really a good choice for you.


Machining Process: Forging — Rough Turning — Heat Treatment — Finish Turning — Assembly — Spraying Paint


Heat Treatment Technical Data 

• Surface quenching HRC 48-53

• Face hardening depth 5-8mm

• Corner hardening depth more than 1.5mm


Chemical Analysis


C

Si

Mn

P

S

Mo

Spec.

0.48~0.56

0.17~0.37

0.70~1.00

≤0.04

≤0.04


Actual

0.49

0.14

0.88

0.016

0.023




We are using advance machining centre, horizontal and vertical CNC machining to execute processes such as machining, drilling, threading and milling to ensure the quality and precision of Bulldozer Upper Carrier Roller to ensure the accuracy of assembly dimensions. This is to maximize the life span of each component and minimize production cost per hour.


5


Application

The top roller fit with below bulldozer models:

KOMATSU

CATERPILLAR

JOHN DEERE

DRESSER

D20

D3B/D3C/D3G/D3K

JD450G

TD15M

D30

D4B/D4C/D4D/D4E

JD450J

TD20G

D37E/D39EX-21

D5/D5B/D5C/D5G/D5H

JD650J

TD25

D41A-6

D5M/D5N

JD750J


D50

D6C/D6D/D6R/D6H/D6M

JD850J


D60

D7G/D7H/D7R



D61

D8R/D8T/D8K



D85ESS-2

D9L/D9N/D9R



D80/85

D10/D10L/D10N



D155

D11/D11N/D11R



D275




D355




D375




D475




For more parts not included as the above, please send us your inquiry with specific needs!


PACKING: Strong Fumigate Wooden Pallet

PAYMENT: By 100% T/T. 30% T/T as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.

DELIVERY TIME: Generally, if we have stock, it will take about 7-day delivery time. Or it will take about 20 to 60 days after receiving your advance payment. The specific delivery time depends on the items and quantity of your order.


Technological innovation can effectively increase the added value of our E70b E307 Top Roller Carrier Upper Top Roller for Excavator Spare Parts and enhance the core competitiveness of our company. We will meet your needs with the belief of continuous progress and innovation. We look forward to building a better future with you! Our excellent R&D team provides a broad operation and innovation platform for the increasingly complex needs of customers.

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