Quality manufacturer of Excavators & Bulldozer Parts And Machinery Parts - Mitnik Machine Parts

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 1

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 2

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 3

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 4

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 5

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 6

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 7

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller

Name: MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller
Uploaded: 2026-04-14T15:04:39+08:00

Our PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller is developed by our creative designers, experienced technicians, and well-educated R&D experts. It is made to be of an attractive look and reasonable structure. Moreover, made of high-quality raw materials, excavator&bulldozer&crane undercarriage spare parts（track chain, track link, track roller, carrier roller,down roller, buttom roller, lower roller, top roller, track shoe, track bolt&nut, track guard, rubber pad, track adjuster, idler, spring, sprock has so many advantages.

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XIAMEN MITNIK M&E CO. , LTD In-depth analysis of the actual needs of target customers, combined with its own advantages resources, successfully developed PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller. PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller is a good example to showcase our research and development capability. In the future, XIAMEN MITNIK M&E CO. , LTD will rely on strong R&D capabilities to update and iterate the original products, and strive to provide customers with better quality products. Not only that, the company will also uphold the service concept to Improve services and strive to provide services that exceed customer expectations.

Condition:	New	Applicable Industries:	Building Material Shops, Machinery Repair Shops, Manufacturing Plant, Retail, Construction works , Energy & Mining, Other
Showroom Location:	None	Video outgoing-inspection:	Provided
Machinery Test Report:	Provided	Marketing Type:	New Product 2020
Place of Origin:	Fujian, China	Brand Name:	MMP
Warranty:	1 Year, 1200-2400hrs	Model:	PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10
Material:	35MnB	Surface Hardness:	HRC52-58
Hardness Depth:	8-12mm	Color:	Yellow/Black
Processing:	Forging	Weight:	32.5KGS
Application:	Excavator undercarriage parts	Certification:	ISO9001

PRODUCTS DESCRIPTION

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 8

Why TO Choose The MITNIK PARTS

All our Parts Follow OEM Strictly  Technical Specifications 

1.Before assembling rollers, smooth the sharp part of spare parts anddothe debring alsocleantheimer holes of the roller body and oil seal, etc. 

2.Do not break and scratch any part of the sealing parts(such asoilseal etc))

3.Do not oil and distort the rubber floating seal ring during assembling therolles.

 4.A smallamount of oil should be covered/coated on the contact surface while pressing the foating oilseal

5.Afterfinishing the assembling processflin 80% of cleanextreme- pressrevehicle gearoiland confim no leaking 4 hours later. 

6.The color of rollers are customized.

Pre-sale Service :

1.You must worry about the products can fit for your parts or not, please don;t worry becaue we double check with the customers for drawing and machine model, and part no. befor ordering.

2.Excavator&Bulldozer spare parts in full-scale are available; 

3.100% quality assurance,develop and manufacture follow original ones;

4. Quick response within 24 hours; 

Sale Service:

1. Small order allowed; 

2. Reasonable Price and timely delivery; 

3. Original packing, neutral packing or customized packing; 

4. We will reugularly update customers order producing situation by videos or pictures

5. After finished, we will inspecation all parts in case of any mistakes.

6. We will prepare all documents for custom clerance, such as FORM E, ORINAL, SGS any documents requested.

After-Sales Service:

 1.Positive customer feedback from abroad market;

2. Excellent After-sales service.

Material	35MnB
Finish	Smooth
Colors	Black or yellow
Technique	Forging / casting
Surface Hardness	HRC52-58,deepth:8mm-12mm
Warranty time	1 year
Certification	ISO9001
Delivery Time	Within 5-17 days after contract established

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 9

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 10

PRODUCT SPECIFICATIONS

RAND

MOSTLY FULL UNDERCARRIAGE PARTS CAN OFFER

BULLDOZER

D20

D30

D31

D37

D40

D41

D45

D50

D60

D65

D68

D75

D80

D85

D150

D155

D275

D355

D3C

D3D

D4C

D4D

D4H

D6C

D6D

D6H

D7G

D8K

D8N

D9N

D10N

D11N

KOMATSU

PC30

PC40

PC45

PC60

PC75

PC100

PC120

PC150

PC200

PC220

PC300

PC350

PC400

CATERPILLAR

E70B

E110

E120B

E215

E235

E307

E311

E312

E322

E180

E240

E200B

E320

E300

E300B

E330

E325

HITACHI

EX30

EX40

EX60

EX100

EX120

EX200

EX220

EX270

EX300

EX400

EX600

UH043

UH052

UH53

UH07

UH081

UH082

UH083

FIAT-HITACHI

FH120

FH130

FH150

FH200

FH220

FH270

FH300

VOLVO

EC55

EC130

EC150

EC200

EC210

EC240

EC290

EC360

DAEWOO

DH55

DH130

DH180

DH200

DH280

DH300

DH320

HYUNDAI

R60

R130

R200

R210

R220

R290

R320

R914

KATO

HD250

HD400

HD450

HD700

HD770

HD820

HD1250

KOBELCO

SK40

SK60

SK100

SK120

SK200

SK220

SK04-2

SK07

SK07N2

SK09

SK12

SK14

SK300

SK310

SK400

JCB

JS70

JS75

JS110

JS130

JS160

JS180

JS200

JS220

JS240

JS260

JS300

JS330

SUMITOMO

SH70

SH100

SH120

SH160

SH200

SH260

SH265

SH280

SH300

SH340

LS2650

LS2800

LS3400

LS4300

MX8

SE200

SE210

SE280

MX292

SE350

MITSUBISHI

MS110

MS120

MS140

MS180

Please verify part number prior to order.

Thanks for viewing our listings. Please click "Ask A Question", or call us if you have a parts need that you do not see listed here.

We will do our best to locate the parts you need, and make every effort to save you money.
For parts information in English please CONTACT US

MITNIK PARTS PACKING

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 11

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 12

RECOMMEND PRODUCTS

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 13

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 14

MITNIK COMPANY PROFILE

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 15

MITNIK MACHINE PARTS(MMP BRAND) is the worldwide leader in replacement parts and original parts and accessories for Engineering Machine, Construction Machine, Industrial Truck and Agricultural Equipment over 20 years old.

MITNIK MACHINE PARTS have set up a one-stop shopping platform for engineering construction machinery parts, and the products:involve: excavator&bulldozer undercarriage (track roller, carrier roller, track link, track idler, track link assy, track shoe, segment group, sprocket, bushing, pin, bolt&nut), engaging tools(bucket teeth, bucket tip, bucket, cutting edge, end bit), engine parts (excavator&bulldozer engine parts, engineering truck engine parts etc..), hydraulic parts (hydraulic pump, hydraulic cylinder, quick couple, hydraulic track link pusher machine), dump truck parts, concrete machine parts( easy wearing parts, blades, mixer, shaft, electrical parts).

With more than 20 years experience on heavy duty machinery spare parts sales, our important customers are mainly distributed in South- East Asia, Mid-East, South America and some East European countries.

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 16

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 17

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 18

MITNIK COMPANY ADVANTAGES

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 19

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 20

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 21

SALES AND SERVICE NETWORK

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 22

Project in Europe

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 23

Project in Australia

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 24

Project in Brazil

MITNIK/MMP - PC20-7/PC30MR-5/PC45MR-5/PC55MR-5/PC60/PC88MR-10 Mini Excavator Track Roller Bottom Roller Track Button/Down Roller 25

FAQ

1. You are a trader or a manufacture? MITNIK MACHINE PARTS with one-stop shopping platform for engineering construction machinery parts as MITNIK have our own factory and storage warehouse and some parts of them were supply by our Joint Stock Partnership to ensure to provide excellent products and service to our customers, at competitive prices.We are manufactuer and trade integration business, our factory located on Quanzhou Nanan Distric, and our sales department is in City centre of Xiamen. 2. How can I be sure the part will fit my excavator? Give us correct model number/machine serial number/ any numbers on the parts itself. Or measure the parts give us dimension or drawing. 3. How about the payment terms? We usually accept T/T or Trade Assurance. other terms also could be negotiated. 4. What is your minimum order? 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. 5. What is your delivery time? FOB Xiamen or any Chinese port : 20 days . If there are any parts in stock , our delivery time is only 0-7 days. 6. What about Quality Control? We have a perfect QC system for the perfect products. A team who will detect the product quality and specification piece carefully, monitoring every production process until packing is complete, to ensure product safety into container.