Durable 850 855 950 Bulldozer Undercarriage Parts Track Roller Bottom Roller Lower Roller for Heavy Duty.
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 |
Embark on a journey into the magnificent realm of bulldozer undercarriage spare parts, where each meticulously engineered component is a testament to precision and excellence. Discover our exquisite collection, where cutting-edge innovation seamlessly merges with exceptional craftsmanship, guaranteeing your machinery operates at peak efficiency and reliability beyond compare.
Please note that all manufacturer names and symbols referenced are purely for identification purposes. Their mention does not imply any form of affiliation or endorsement, thereby upholding our brand's esteemed independence and integrity.
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 |
Situated in the bustling city of Quanzhou, China, Quanzhou Zhongkai Machinery Co., Ltd. has been a trailblazer in undercarriage component innovation since 2013. Our extensive product lineup includes track rollers, chains, idlers, top rollers, and sprocket/segment rims, catering to a diverse range of machinery, from excavators and bulldozers to agricultural tractors, skid steers, and crawler loaders. Respected for our unwavering dedication to superior quality, we are the preferred choice for leading global brands, providing dependable solutions from nimble mini-excavators to vast mining machines.





Why Choose Us? Embark on an extraordinary journey defined by unmatched excellence and steadfast trust with our prestigious brand, where your satisfaction is our ultimate goal.
1. Our unwavering dedication to quality assurance is unparalleled in the industry. Whether acquiring a single piece, sampling products, or placing bulk orders, our flexible approach ensures we meet all your needs with unparalleled precision.
2. As seasoned industry specialists, we offer a comprehensive suite of solutions for both excavators and bulldozers. Our products are meticulously engineered to meet the specific requirements of your machinery, guaranteeing optimal performance.
3. Entrust your needs to our promise of exceptional quality, supported by a robust warranty that provides peace of mind with every purchase you make.
4. Delight in our unparalleled customer service, expertly guiding you through each step of your purchasing journey with exceptional insight and support.
5. Benefit from our strategically competitive pricing, designed to ensure you receive the utmost value for your investment, maximizing your returns.
6. With a vast inventory readily available, we are well-equipped to fulfill your urgent and large-scale demands with unparalleled 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.