D80 D83 D85 Bulldozer Double and Single Track Roller Heavy Construction Machinery Chassis Bottom Roller

D80 D83 D85 Bulldozer Double and Single Track Rollers Bottom Rollers of Heavy Construction Equipment Undercarriage PartsProduct InformationBulldozer Support RollerDoder Track RollerD85 Bottom RollerDozer bottom rollerD65 lower roller Single Track rollerDuoble Track RollerSpecifications for crawler excavator track rollerStru

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D80 D83 D85 Bulldozer Double and Single Track Rollers Bottom Rollers of Heavy Construction Equipment Undercarriage Parts
Product Information
Bulldozer Support Roller

Doder Track Roller

D85 Bottom Roller

Dozer bottom roller

D65 lower roller 

Single Track roller

Duoble Track Roller

Specifications for crawler excavator track roller

Structure

wheel body

35MnB/40Mn2/40MnB/50Mn

side cover

QT500-7

shaft

45#

ring float

GLKBTCr16Mo2NiCu

O ring

rubber

Bimetal sleeve

CuPb10Sn10

Hexagon socket bolt

JB/T1000-1977

lubricating oil

40#

The main parameters

name

track roller/bottom roller/support roller/Lower Roller

Part number

7G0421

Color

Black or Yellow

Surface Hardness

HRC48-54,deepth:4mm-10mm

Technique

Forging&Casting

Warranty time

2000 hour (Normal life 4000hours   ) 

Certification

ISO9001-9002

Delivery Time

Within 30 days after contract   established

Package

Fumigate seaworthy packing

D80 D83 D85 Bulldozer Double and Single Track Rollers Bottom Rollers of Heavy Construction Equipment Undercarriage Parts
D80 D83 D85 Bulldozer Double and Single Track Rollers Bottom Rollers of Heavy Construction Equipment Undercarriage Parts

Application
D80 D83 D85 Bulldozer Double and Single Track Rollers Bottom Rollers of Heavy Construction Equipment Undercarriage Parts


track roller/bottom roller/support roller/Lower Roller is applicate for Energy & Mining, ground engaging part.

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D80 D83 D85 Bulldozer Double and Single Track Rollers Bottom Rollers of Heavy Construction Equipment Undercarriage Parts
D80 D83 D85 Bulldozer Double and Single Track Rollers Bottom Rollers of Heavy Construction Equipment Undercarriage Parts

Features and Advantage

1)Our track rollers are adopting through hardening system and spraying quenching system while complying with the stringent ISO System.

2)We are able to assure the part has excellent wear resistance even in the most severe working conditions

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

4).Well lubricated oil recycle system

5). High hardness :HRC52-58,deepth:8mm-12mm

6). Deep hardened wear surface.

7). Good bronze bushings.

8).Undercarriage parts stock pictures will send before order.

9).All parts can check with part number,all parts can order follow part number.

10). Safe packing to protect the goods, such as wooden box,by tray.

11). Small quantity can accept.Sample order also accept.

12).Lifelong after-sales service.

13).Original /OEM /After Market quality and competitive price-2.Flexible payment terms.

14).Quick delivery time.

15).Exclusive agent accepted.

16).Have cooperated with many importers in us for more than 10 years.

17) Good metal fibrous tissue.

18) Resist abrasion and impact well.

19) Long life-expectation.

20) Good quality and competitive price.

21)We can provide customized products with special requirements.

22)Products sizeFollow OEM strictl.

23). One-stop service.

A.Full undercarriage parts of excavator and bulldozer are available: track roller/bottom roller/lower roller, front idler, sprocket rim/segment group,

carrier roller/top roller, track chain with shoes/track group.

B.Excavator spring assembly with OEM size, bucket link/H link, link rod/I link, track guard.

C.Ground Engaging Tools: bucket teeth, excavator buckets, cutting edge, and end bits

D.Hydraulic cylinder and seal kits: EX1200, PC1250 hydraulic cylinders are also available.

25). Factory direct price and Strict Quality Control.

We have our own factory and foreign trading office, attach much importance to items quality during the production and always check each goods before delivering.

4.Advantages:

1). Quality guarantee
2). Technical support
3). Gather different parts into one container 
4). Unobstructed communion 
5). Delivery Merchandise in time 
6). LCL is acceptable
7). OEM parts number guidance
8). Producing according to drawings.

9). We have advanced technoledge and 100% testing before delivery.

10). Quick delivery and competitive price.

11). The larger quantity you order, the better price and faster delivery we can supply.

12). We have a professional team to offer professional service for you.

13). We can offer used and new,OEM,good quality made in china parts to you.

14). The parts will give weight,price when quotation.

15). Genuine parts stock pictures will send before order.

16).All parts can check with part number,all parts can order follow part number.

17). Safe packing to protect the goods, such as wooden box, Iron sheet for our parts.

18).Small quantity can accept,Sample order also accept.

19). 24 hours oversea service.

20).One-stop purchasing service.

Full undercarriage parts of excavator and bulldozer are available:
Track roller/bottom roller/lower roller, front idler wheel assy, sprocket rim/segment group,
carrier roller/top roller, track chain with shoes/track group/ Track Adjuster/ Track Bolt&nuts

21). Give us correct model number/machine serial number/ any numbers on the parts itself. Or measure the parts give us dimension or drawing.

22).World-class Quality.

23).Factory sale directly,with REASONABLE price.

24).We design and produce all the undercarriage parts follow original items strictly.
25) Only High Quality Parts Supplied:
Say No to mixed different quality parts, we only have one quality control standard on material, production line and QC, our aim is to supply high quality parts at competitive price, to help our customers do long-term business and easier after-sale service

Work Process
D80 D83 D85 Bulldozer Double and Single Track Rollers Bottom Rollers of Heavy Construction Equipment Undercarriage Parts
D80 D83 D85 Bulldozer Double and Single Track Rollers Bottom Rollers of Heavy Construction Equipment Undercarriage Parts

1) Do not oil and distort the rubber floating seal ring during assembling the rollers

2) A small amount of oil should be covered/coated on the contact surface while pressing the floating oil seal.

3) After finishing the assembling process,fill in 80% of clean extreme-pressure vehicle gear oil and confirm no leaking 4 hours later.

4) Track roller, Lower roller,bottom roller,support roller,carrier roller, idler are mounted with long life well sealed Duo-cone floating ring well sealed Duo-cone floating ring seal.

Company Information
D80 D83 D85 Bulldozer Double and Single Track Rollers Bottom Rollers of Heavy Construction Equipment Undercarriage Parts

Package
D80 D83 D85 Bulldozer Double and Single Track Rollers Bottom Rollers of Heavy Construction Equipment Undercarriage Parts



After-sales Service
1) 24 hours for after-sales service;

2) Offer us picture of using situation,goods,using details, then compensation after everything is finished within 3 working days.

3) Any claim due to the quality of products,the compensation is not more than the value of the products that have quality problem.

FAQ
Q1:Are you a trade or a manufacure?
    A:We are an industry and trade integration business, our factory located on Quanzhou Nanan Distric.
Q2:How can I be sure the Excavator Parts will fit my excavator?
    A:Give us correct model number/machine serial number/ any numbers on the parts  itself.Or measure the parts give us dimension or drawing.
Q3:How about the payment terms for Excavator Parts?
    A:We usually accept T/T or L/C. other terms also could be negotiated.
Q4:What is your minimum order for Excavator Parts ?
    A:It depends on what you are buying. Normally, our minimum order is one 20' full container and LCL container (less than a container load) can be acceptable.
Q5:What is your delivery time for Excavator Parts ?
   A:FOB Xiamen or any Chinese port : 25-30days . If there are any parts in stock ,our delivery time is only 7-10 days. 
Q6:What about Quality Control?
   A:We have excellent tester, check every piece to ensure the quality is good,and strict control to ensure product safety into container.


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