OEM Quality D65/D7g/D8n 140-30-22250 Lower Roller Bulldozer Track Roller Bottom Roller

• Customization: Available
• After-sales Service: Online Service
• Warranty: 12 Months
• Model NO.: D65/D7G/D8N
• Type: Undercarriage Parts
• Application: Bulldozer
• Certification: CE, ISO9001: 2000
• Condition: New
• Material: 35mnb/50mn
• Colors: Black or Yellow
• Warranty Time: One Year or 2000 Hours
• Payment Term: T/T, L/C at Sight, Western Union
• Package: Wooden Case/Pallet
• Name: D65 Lower Roller Bulldozer Track Roller Bottom Rol
• Technique: Forging Casting
• Delivery Time: Within 25 Days After Contract Established
• Key Words: Lower Roller
• Transport Package: Pallet/Wooden Case or Customized
• Specification: D65
• Trademark: Dingtai
• Origin: Fujian
• HS Code: 8431499900
• Production Capacity: 1500 Piece
• Package Size: 120.00cm * 120.00cm * 110.00cm
• Package Gross Weight: 600.000kg

Product Description

OEM quality D65/D7G/D8N 140-30-22250 Lower Roller Bulldozer Track Roller Bottom Roller

Product Information
Bulldozer Track Roller

Doder Track Roller

D85 Bottom Roller

Dozer bottom roller

D65 lower roller 

Single 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 25 days after contract established
	Package	Fumigate seaworthy packing

\

3.Feature:

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
 

Related Products



Work Process

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,carrier roller, idler are mounted with long life well sealed Duo-cone floating ring well sealed Duo-cone floating ring seal.

Company Information


Package


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.

Contact Us