Specifically designed for high-performance excavators, it elevates your machinery's capabilities to new heights.
Model: |
All brand model are meet your demands |
Name : |
Boom Cylinder,Bucket Cylinder,Arm Cylinder |
Applicable Industries: |
Machinery Repair Shops, Retail, Construction works |
Application: |
Excavator ,Loader,Tractor |
Warranty: |
12Months,6Months |
Material: |
Steel |
Supply Ability: |
500 Piece/ per Month |


Explore Our Comprehensive Model List: Prepare to be astounded by the extensive array we've meticulously curated.
CATERPILLAR |
205/205B/205LC |
211/211C |
213/213B/213LC |
215/215B |
215D/215LC |
219/219D/219LC |
225/225B |
225D/225LC |
227 |
229/229D |
231D/231DLC |
235/235B |
235C/235D |
245/245B |
279C |
289C |
299C |
308C |
311/311B/311C |
312/312B |
312C/312D |
313B |
314C/314D/314B |
315/315C/315L |
317/317BL/317N |
318BL/318C |
319E |
320BL/320C |
320D/320L |
321C |
322/322B |
322L/322N |
323DL/323DLN |
324D/324DL |
324DLN |
325/325B |
325CL/325D |
325L |
330/330D |
330D2L/330L |
336D/336DL |
336EL |
345B/345D |
345DL |
349DL/349EL |
350 |
365BL/365CL |
374D |
375/375L |
385B/385C |
390 |
E110 |
E120B |
E140 |
E180 |
E200B |
E240 |
E300 |
E450 |
E650 |
EL240 |
EL300 |
D3/D3B/D3C |
D4/D4C/D4D |
D4E/D4H/D4G |
D4K |
D5/D5B/D5C |
D5G/D5H |
D5K/D5M/D5N |
D6/D6B/D6C |
D6D/D6H/D6K |
D6M/D6N/D6R |
D6T/D7/D7E |
D7F/D7G/D7H |
D7R/D8/D8H |
D8L/D8K |
D8N/D8R/D8T |
D9D/D9E/D9G |
D9H/D9L/D9N |
D9R |
D10N/D10R |
D10T |
D11N/D11R |
D11T |
E30 |
E45 |
E305 |
E304CR |
E305MR |
E305.5 |
E307/E308 |
E40 |
E70B |
CAT30 |
CAT301.8 |
CAT302.5 |
CAT303/304 |
CAT301.5 |
CAT301.8 |
CAT302.5C |
CAT303 |
CAT303.5CCR |
CAT303CCR |
CAT304CCR |
CAT304.5 |
CAT304 |
CAR305CCR |
CAT305 |
CAT306 |
CAT307 |
931/931LGP |
931B/931C |
933/933C |
933F/933G |
935B/935C |
941/941B |
943/943LGP |
951B/951C |
953/953C |
955C/955K/955L |
963/963B |
963C/963D |
973 |
977/977H |
977K/977L |
983/983B |
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VOLVO |
C13 |
EC13XR |
EC15/20 |
EC25 |
EC27C |
EC30 |
EC50 |
EC55 |
EC70 |
ECR28 |
ECR30 |
ECR48C |
ECR58PLIUS |
ECR88 |
ECR88PLUS |
EC130 |
EC140 |
EC150 |
EC160 |
EC180 |
EC200 |
EC210 |
EC229 |
EC230 |
EC240 |
EC250 |
EC280 |
EC290 |
EC300 |
EC330 |
EC340 |
EC360 |
EC380 |
EC420 |
EC450 |
EC460 |
EC480 |
EC620 |
EC650 |
EC700 |
EC900 |
ECR235 |
H10B |
H11 |
H12 |
H14 |
H16 |
H25 |
H5/H7/H9 |
|
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 |
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Discover Our Versatile Additional Product Range: Explore the multitude of options we offer to elevate your machinery's performance to unparalleled levels.
Embark on a remarkable journey with our expansive premium collection of undercarriage parts. Our selection includes expertly crafted track rollers, top rollers, sprockets, idlers, track links, and track shoes. Each component is precision-engineered to flawlessly integrate with your machinery's specifications, significantly enhancing performance and delivering unmatched quality that meets every operational demand with excellence.





QUANZHOU ZHONGKAI MACHINERY, widely acclaimed as ZKMPARTS/ZKUCPARTS, has been a transformative force since 2013. Located in the dynamic city of Quanzhou, China, we excel in producing superior undercarriage components. Our diverse portfolio encompasses track rollers, chains, idlers, top rollers, and sprockets/segment rims, catering to a vast range of machinery-from excavators to agricultural tractors. We proudly support leading global brands, serving industry giants like Caterpillar, Komatsu, and Hyundai, ensuring top-tier quality and performance for every customer.






Frequently Asked Questions: Your queries, expertly addressed to provide clarity and peace of mind.
1. Are you a factory or a trade entity? Discover more about our comprehensive operational structure.
We operate as an integrated factory and trade business, perfectly situated in Quanzhou City, Fujian Province, offering seamless synergy between production and commerce.
2. Howdo payment terms and delivery conditions work? Gain insight into our process for smooth and secure transactions.
(1) Payment terms: We require 30% T/T in advance, with the balance T/T before delivery, ensuring seamless and secure transactions.
(2) Delivery Terms: Generally,for LCL container (less than a container load) shipments,we offer options with CIF or EXW, providing convenience and transparency;for LCL containertainer (less than a container load)we offer terms with FOB or CIF, ensuring flexibility to suit your preferences.
Delivery termsarenegotiablebased on your needs, tailored for a bespoke service experience.
3.Whatis the delivery timeline? Discover our efficient and reliable delivery schedules.
FOBXiamenor other ports 25-30 days after receiving your advance payment, ensuring a seamless experience. The actualdelivery time is customized to the specific requirements and quantity of your orders, offering a tailored solution.
If the item is in stock,the delivery timeis accelerated to just 0-7 days, providing exceptional speed and efficiency.
4. How can I be sure the part will fit my excavator? What about quality control? Rely on our meticulous quality assurance.
(1) You can provide us with the accurate model number, machine serial number, or any identifiable numbers on the
parts themselves. Alternatively, measure the parts and supply us with dimensions or a detailed drawing.
(2) At Quanzhou Zhongkai Machinery Co., Ltd., we take immense pride in our meticulous quality control processes. Our team of elite testers scrutinizes each item with unparalleled precision, ensuring that our Straight Trip Excavator Hydraulic Arm Boom Bucket Cylinder in Cast Steel consistently meets the highest standards of excellence.
Our unwavering commitment to quality means that every product is safeguarded with strict control measures, guaranteeing its safety throughout the transit. We stand by our promise of delivering nothing short of excellence, ensuring that your experience with our products is as smooth and fulfilling as anticipated.
5. How about the product's quality? You can have complete confidence in our multi-tier quality options, designed to provide exceptional assurance and cater to your specific needs.
We provide three distinct quality tiers, each thoughtfully crafted to fulfill diverse performance and budgetary requirements, ensuring you find the perfect match for your specific needs and expectations.
(1)Economic Type Quality: Perfect for those seeking cost-efficiency combined with performance. This option is adeptly designed for demanding construction environments, offering a reliable 6-month guarantee. It seamlessly integrates with sturdy machines like the PC 100 and PC 200, making it the ideal choice for 20-ton and sub-20-ton machinery.
(2)Standard Type Quality: Crafted to excel in various construction scenarios, this tier delivers optimal reliability with a comprehensive 12-month guarantee. Suitable for mini excavators and equipment up to 20 tons, it pairs excellently with the versatile ViO 30, as well as the capable PC 100 and PC 200 models.
(3)Heavy-Duty Type Quality: Specifically engineered for the most formidable tasks, this category offers exceptional durability and a 12-month guarantee. Whether you're involved in mining, quarrying, or forestry, this option is tailored for machines over 30 tons, fitting powerful models like the ZAX 330, PC 650, PC1250, and the formidable D10T.