Excavator Track Roller E312 E311 Bottom Lower Roller Spare Parts Model 4I7346 861934 990178 990179

Merchandise Data
Excavator Observe Roller E312 E311 Base Decrease Roller CZPT Elements Product 4I7346 861934 990178 990179

Requirements for crawler excavator keep track of roller


wheel physique


side go over




ring float


O ring


Bimetal sleeve


Hexagon socket bolt


lubricating oil


The primary parameters


Keep track of roller/Bottom roller/Help roller/Reduced Roller

Part amount



Black or Yellow

Floor Hardness

HRC48-fifty four,deepth:4mm-10mm



Guarantee time

2000 hour (Typical daily life 4000hours   ) 



Supply Time

Within 30 days soon after contract   proven


Fumigate seaworthy packing


Keep track of roller is applicate for Vitality & Mining, floor participating component.

Relevant Items


one)Our monitor rollers are adopting through hardening program and spraying quenching system while complying with the stringent ISO Method.

two)We are capable to assure the element has exceptional put on resistance even in the most serious operating problems

three)We are utilizing progress machining centre,horizontal and vertical CNC machining to execute processes such as machining, drilling, threading and milling to make certain the qulity and precision of each and every component to ensure the precision of assembly proportions. This is to maximize the lifestyle span of every ingredient and reduce manufacturing price for each hour.

four).Effectively lubricated oil recycle system

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

6). Deep hardened use floor.

seven). Great bronze bushings.

8).Undercarriage elements stock photos will send prior to purchase.

nine).All elements can verify with component variety,all parts can purchase follow portion amount.

10). Risk-free packing to safeguard the products, these kinds of as wood box,by tray.

11). Tiny amount can settle for.Sample purchase also accept.

12).Lifelong following-revenue service.

thirteen).First /OEM /Right after Industry good quality and competitive value-2.Adaptable payment phrases.

14).Rapid delivery time.

fifteen).Exceptional agent approved.

sixteen).Have cooperated with a lot of importers in us for more than 10 several years.

17) Very good metallic fibrous tissue.

eighteen) Resist abrasion and effect nicely.

19) Long daily life-expectation.

twenty) Very good high quality and competitive price.

21)We can provide CZPT goods with special specifications.

22)Items sizeFollow OEM strictl.

23). One particular-quit services.

A.Complete undercarriage components of excavator and bulldozer are CZPT: monitor roller/base roller/reduced roller, entrance idler, sprocket rim/section team,

carrier roller/best roller, track chain with shoes/keep track of group.

B.Excavator spring assembly with OEM dimensions, bucket url/H hyperlink, link rod/I link, observe guard.

C.Floor Partaking Resources: bucket teeth, excavator buckets, slicing edge, and finish bits

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

twenty five). Factory direct price tag and Strict Good quality Handle.

We have our possess manufacturing facility and international investing workplace, attach a lot significance to items high quality during the production and always verify each and every products ahead of delivering.



one). Quality guarantee
two). CZPT assistance
3). Get different parts into a single container 
four). Unobstructed communion 
5). Supply Items in time 
6). LCL is suitable
7). OEM components variety direction
8). Generating according to drawings.

9). We have innovative technoledge and 100% testing before shipping.

10). Swift shipping and delivery and competitive value.

eleven). The bigger amount you purchase, the much better value and more rapidly shipping and delivery we can provide.

twelve). We have a professional crew to provide expert services for you.

thirteen). We can offer you utilised and new,OEM,good top quality created in china areas to you.

fourteen). The parts will give excess weight,price when quotation.

fifteen). Authentic parts inventory photographs will deliver ahead of order.

sixteen).All elements can examine with portion amount,all areas can order adhere to part amount.

17). Safe packing to defend the products, this sort of as picket box, Iron sheet for our areas.

eighteen).Modest amount can settle for,Sample get also acknowledge.

19). 24 several hours oversea services.

20).One particular-quit acquiring services.

Entire undercarriage elements of excavator and bulldozer are CZPT:
Monitor roller/base roller/decrease roller, front idler wheel assy, sprocket rim/section team,
carrier roller/leading roller, observe chain with shoes/keep track of group/ Observe Adjuster/ Keep track of Bolt&nuts

21). Give us right model amount/device serial variety/ any numbers on the components alone. Or measure the elements give us dimension or drawing.

22).Entire world-class Quality.

23).Factory sale directly,with Affordable value.

24).We design and generate all the undercarriage areas comply with authentic products strictly.
twenty five) Only Substantial Good quality Areas Supplied:
Say No to mixed various top quality components, we only have a single top quality management normal on material, generation line and QC, our purpose is to provide high top quality areas at competitive price, to help our clients do extended-time period organization and less complicated following-sale service

Operate Procedure

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

2) A modest quantity of oil should be protected/coated on the speak to surface area while urgent the floating oil seal.

3) Right after ending the assembling procedure,fill in eighty% of clean extreme-pressure motor vehicle equipment oil and confirm no leaking four hours later.

four) Keep track of roller, Reduce roller,bottom roller,suport roller,carrier roller, loafer are mounted with extended lifestyle well sealed Duo-cone floating ring well sealed Duo-cone floating ring seal.

Company Information

Bundle & CZPTer

Right after-revenue Provider
1) 24 several hours for soon after-product sales services

two) Offer us photo of making use of circumstance,products,using information, then payment right after everything is completed inside 3 functioning days.

3) Any assert due to the high quality of products,the compensation is not far more than the worth of the merchandise that have high quality problem.

Q1:Are you a trade or a manufacure?
    A:We are an business and trade integration company, our manufacturing facility situated on HangCZPT Nanan Distric.
Q2:How can I be sure the Excavator Parts will match my excavator?
    A:Give us right model quantity/device serial variety/ any quantities on the components  itself.Or measure the parts give us dimension or drawing.
Q3:How about the payment phrases for Excavator Components?
    A:We generally acknowledge T/T or L/C. other terms also could be negotiated.
This fall:What is your minimal buy for Excavator Parts ?
    A:It depends on what you are acquiring. Generally, our least purchase is one particular 20′ total container and LCL container (considerably less than a container load) can be acceptable.
Q5:What is your supply time for Excavator Components ?
   A:FOB HangCZPT or any Chinese port : twenty five-30days . If there are any components in inventory ,our delivery time is only 7-ten days. 
Q6:What about Top quality Manage?
   A:We have outstanding tester, verify every single piece to make certain the good quality is excellent,and rigorous control to make certain solution safety into container.

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Excavator Track Roller E312 E311 Bottom Lower Roller Spare Parts Model 4I7346 861934 990178 990179