Heavy-Duty Bottom Roller Undercarriage Parts Lower Roller Track Roller For Dozer Upper Bottom Roller.
Material |
50mn, 40mn2 |
Finish |
Smooth |
Colors |
Black, yellow, or customized |
Technology |
Forging/Casting |
Surface Hardness |
HRC55-60, deepth: 8mm-12mm |
Warranty time |
12 Months |
Delivery Time |
25-30 days |
Step into a realm of unrivaled bulldozer undercarriage spare parts, where each piece is meticulously engineered to enhance the pinnacle of your machine's performance. Discover our world of precision and excellence, crafted to sustain unmatched efficiency and reliability.
Please be aware that all referenced manufacturer names and symbols serve solely as a point of reference. There is no implied affiliation or endorsement by these manufacturers.
HITACHI |
EX08 |
EX12/EX15 |
EX20/EX22 |
EX25/EX30 |
KH300 |
EX40-1 |
EX40-2 |
EX45 |
EX50 |
EX50URG |
EX55 |
EX60-1 |
EX60-2/3 |
EX60-5 |
EX70 |
AX40U-2 |
AX40U-3 |
AX40U-4 |
UH025-7 |
UX30 |
ZX16-3 |
ZX17/ZX17U-2 |
ZX18 |
ZX22U-2 |
ZX23 |
ZX25 |
ZX30U |
ZX33 |
ZX40ZX48ZX50 |
ZX85USB LC-3 |
ZAXIS110 |
ZAXIS120 |
ZAXIS135 |
ZAXIS15/16/18/25/30 |
ZAXIS35/35U2/40U2 |
ZAXIS80 |
EX100 |
EX120 |
EX130 |
EX135 |
EX150 |
EX160 |
EX200 |
EX210 |
EX220 |
EX267 |
EX270 |
EX285 |
UH10/12 |
UH101 |
UH121/122/123 |
UH14-2 |
UH143 |
UH171/172 |
UH181 |
UH20 |
UH35 |
UH501 |
ZX110 |
ZX120 |
EX300 |
EX355 |
EX400 |
EX450/EX455 |
EX550 |
EX600 |
EX700 |
EX800 |
EX1100 |
EX1200 |
UE30/35 |
UE40/45 |
UE50 |
UH035 |
UH03M |
UH04-1/2/3 |
UH041/042/043 |
UH045-5/7 |
UH04M |
UH051/052M/053 |
UH06-5 |
UH061/062/063 |
UH07-3/5/7 |
UH081/082/083 |
UH09-7 |
ZX370 |
ZX370GI |
ZX400 |
ZX450 |
ZX460 |
ZX470 |
ZX500 |
ZX600 |
ZX650 |
ZX670 |
ZX800 |
ZX130 |
ZX135 |
ZX160 |
ZX180 |
ZX200 |
ZX210 |
ZX225 |
ZX240 |
ZX250 |
ZX270 |
ZX330 |
ZX350 |
ZX850 |
ZX870 |
KH 100 |
KH 125 |
KH 150 |
KH 180 |
KH 230 |
KOBELCO |
ED150 |
ED150 1E |
ED150 2 |
ED180 |
ED190-8 |
ED190LC |
ED190LC-6E |
K903 MARKII |
K903A |
K903B |
K903C |
K904 MARK II |
K904BL |
K904C |
K904CL |
K904D |
K904DLC |
K904E |
K905A |
K905ALC |
K905LC |
K905LC MARK II |
K907 MARK II |
K907A |
K907CLC |
K907D |
K907DLC |
K907LC |
K909 MARK II |
K909A |
K909ALC |
K909LC MARK II |
K910 |
K912 |
K912LC MARK II |
K914 |
K916 |
K916LC |
K935 |
K935A |
SK135SRLC |
SK150LCMARK III |
SK60LC MARK III |
SK170LC |
SK200 MARK III |
SK200LC VI |
SK210 MARK IV |
SK210-8 |
SK210-9 |
SK210LC |
SK210LCMARK III |
SK210LCMARKIV |
SK210LC-6E |
SK210LC-8 |
SK220HDMARKIV |
SK220LCMARKIII |
SK235SR |
SK250MARK8 |
SK250HDMARKVI |
SK250HDLCMARKVI |
SK250HDNLCMARK |
SK250LC6E |
SK250NLCMARKVI |
SK260MARK8 |
SK270 |
SK270LC |
SK300MARKIII |
SK300LCMARKII |
SK300LCMARKIII |
SK330 |
SK330 8 |
SK330 MARK VI |
SK330LC MARK IV |
SK350LC 8 |
SK350LC 9 |
SK400LC |
SK450 |
SK450LC |
SK480LC |
SK60 MARK III |
SK600 |
SK75UR-1 |
SK75UR-2 |
|
|
KOMATSU |
PC05/PC07 |
PC10-7 |
PC12/15R |
PC18MR |
PC20-3 |
PC20-7 |
PC30-2 |
PC30-6 |
PC35 |
PC20/30 |
PC20R-8 |
PC25 |
PC27 |
PC27 |
PC30MR-1 |
PC35 |
PC38UU |
PC40 |
PC40-5 |
PC40-6 |
PC40-7 |
PC45 |
PC40MR-2 |
PC50MR-2 |
PC50 |
PC56-7 |
PC60-5 |
PC60-7 |
PC75UU-2/3 |
PC78 |
PC80 |
PC90 |
PC95 |
D20/D21 |
D30/D31/D32 |
D37E-5 |
D37EX-22 |
D38P |
D39 |
D40/D41 |
D45 |
D50/D51 |
D53/D55 |
D58 |
D60/D61 |
D65/D66 |
D68 |
D75 |
D80/D83 |
D85/D85ESS |
D95 |
D125/D155 |
D275/D375 |
D475 |
PC80 |
PC100 |
PC120 |
PC130 |
PC150 |
PC180 |
PC200 |
PC210 |
PC220 |
PC228 |
PC230 |
PC240 |
PC250 |
PC280 |
PC290 |
PC300 |
PC340 |
PC350 |
PC360 |
PC380 |
PC400 |
PC450 |
PC600 |
PC650 |
PC710 |
PC750 |
PC800 |
PC1250 |
|
|
|
CASE |
1150 |
1150B |
1150C |
1150D |
1150LGP |
1150E LGP |
1150E LT |
1150G LGP |
1150G LT |
1155E |
1450 |
1450B |
1450B LGP |
1550 |
1550 LGP |
1550 LT |
1650K LGP |
1650K XLT |
1650L LGP |
1650L WT |
1650L XLT |
1850K LGP |
1850K LT |
1850K XTL |
|
310 |
310C |
310D |
310E |
310F |
310G |
320 |
350 |
350B |
420 |
420B |
420C |
450 |
450A |
450B |
450B LGP |
450C |
450C LGP |
475 |
550 LGP |
550LT |
550E LGP |
550E LT |
550G LGP |
550G LT |
650 |
650G |
750 |
800 |
800B |
800C |
850 |
850B |
850C |
850C LGP |
850D LGP |
850D LT |
850E LGP |
850E LT |
850G LGP |
850G LT |
855E |
|
|
|
1080 |
1080B |
1187 |
1187B |
1280 |
880BLC |
880C |
880CLC |
880D |
9010 |
9010B |
9013 |
9020 |
9020B |
9030 |
9030B |
9040 |
9045B |
9050 |
9050TK |
9060 |
980 |
980B |
|
|
CX130 |
CX130B |
CX130B LC |
CX135SR |
CX160 |
CX160B |
CX160X |
CX180 |
CX210 |
CX210B |
CX210B LR |
CX210B NLC |
CX225 |
CX225 SR |
CX230 |
CX240 |
CX240 LR |
CX240B LR |
CX250 |
CX250C |
CX290 |
CX290B |
CX300 |
CX300C |
CX330 |
CX350 |
CX350B |
CX460 |
CX470B |
CX190D LC |
CX700 |
CX700B |
CX75 SR |
CX80 SR |
CX800 |
CX800B |
8015 |
8017 |
|
|
CK08 |
CK13 |
CK15 |
CK16 |
CK25 |
CK28 |
CK31 |
CK32 |
CK35 |
CK36 |
CK38 |
CK50 |
CK52 |
CX14 |
CX15 STR |
CX16 |
CX17B |
CX18B |
CX20B |
CX22B |
CX23 |
CX26B |
CX31 |
CX31B |
CX31BMC |
CX35 |
CX36 |
CX36B |
CX40B |
CX47 |
CX50 |
CX75SR |
CX80 |
LX92 |
|
7700 |
8000 |
8800 |
|
|
420T |
440T |
445T |
450CT |
TR270 |
KUBOTA |
K020 |
022 |
025 |
028 |
030 |
035 |
040 |
045 |
151 |
|
KH02 |
021 |
021HG |
024 |
026 |
026G |
KH026HG |
KH030G |
033HG |
KH055 |
KH91 |
KH51 |
KX02 |
KX021 |
KX026 |
KX030 |
KX045 |
KX101-3 |
KX121-3 |
KX161-2 |
KX60 |
75UR |
R30P |
RX201 |
RX301UR |
RX501 |
U30 |
U30.1 |
U30.2 |
U30HG |
U50.3 |
U60 |
U80 |
H30 |
UX30 |
Proudly situated in the dynamic city of Quanzhou, China, Quanzhou Zhongkai Machinery Co., Ltd., since 2013, has been pioneering innovations in undercarriage components. Our expansive portfolio includes track rollers, chains, idlers, top rollers, and sprocket/segment rims, servicing diverse machinery such as excavators, bulldozers, agricultural tractors, skid steers, and crawler loaders. We are the go-to brand for top-quality products, trusted by leading global brands, catering from nimble mini-excavators to massive mining machines.





Why Choose Us? Discover unparalleled excellence and trust.
1. Our steadfast dedication to quality assurance is unparalleled. Whether you're acquiring a single piece, sampling, or engaging in bulk procurement, our flexibility knows no bounds, ensuring we meet every demand.
2. As specialists, we offer a comprehensive array of solutions for excavators and bulldozers, delivering products that are precisely crafted to meet your machinery's unique needs.
3. Rest assured with our promise of superior quality, backed by a strong warranty that instills confidence in every purchase you make.
4. Experience our remarkable customer service, expertly guiding you at every step of your purchasing journey.
5. Benefit from our strategic competitive pricing, designed to ensure you receive maximum value for your investment.
6. With a vast inventory at your disposal, we stand ready to meet your urgent and extensive demands with unmatched efficiency and speed.
FAQ
How could I ensure the part would fit my machinery?
Pls send us the correct model number/machine serial number/ any numbers on the parts itself. Or measure the parts give us dimension or drawing.
What is the payment term?
Generally, 30% deposit T/T in advance, and the balance before the shipment.
What is the lead time?
FOB Xiamen or any Chinese port: 25-30 days. If there are any parts in stock, our delivery time is only 0-7 days.
What kind of package do you offer?
Normally we use the export standard wood pallets. If any special requirements, we can discuss them.
What about Quality Control?
We have a perfect system for checking the quality of our products. Our team checks the products and the way they are made very carefully. They do this at every stage of the production process. This makes sure that the products are safe when they are put in the container.