Kato HD250 HD400 HD550 HD770 HD800 HD1250 Hydraulic Bucket Boom Arm Cylinder is masterfully crafted for unparalleled excellence in lifting and tilting operations, tailored specifically for high-performance excavators. Revel in the durability and precision that define our top-tier components, designed to elevate your machinery's potential.
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 Lineup: Prepare to be captivated by our meticulously curated selection, showcasing an array of models designed to meet diverse machinery needs. Each choice embodies precision and innovation, setting new standards in quality and performance.
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: Dive into the extensive variety we offer, meticulously designed to amplify your machinery's capabilities. Each product is a testament to quality and innovation, crafted to meet every operational need with precision.
Embark on a remarkable journey with our premium collection of undercarriage parts. Our diverse lineup includes precision-engineered track rollers, top rollers, sprockets, idlers, track links, and track shoes, each crafted to integrate seamlessly with your machinery's specifications. Experience a substantial boost in performance and unmatched quality, ensuring that every component meets operational demands with excellence and reliability.





QUANZHOU ZHONGKAI MACHINERY, renowned globally as ZKMPARTS/ZKUCPARTS, has been an industry pioneer since 2013. Located in the vibrant city of Quanzhou, China, we excel in producing superior undercarriage components. Our extensive portfolio includes track rollers, chains, idlers, top rollers, and sprockets/segment rims, catering to a variety of machinery from excavators to agricultural tractors. We proudly collaborate with leading global brands, supporting industry giants like Caterpillar, Komatsu, and Hyundai, and ensuring unparalleled quality and performance for every client.






Frequently Asked Questions: We address your queries with expertise, providing clarity and assurance to guide your experience with confidence.
1. Are you a factory or a trade entity? Discover the comprehensive operational setup that defines our business model, offering transparency and insight into our production and trade capabilities.
We function as a well-integrated factory and trade business, strategically nestled in Quanzhou City, Fujian Province. This location offers a harmonious blend of production and commerce, ensuring seamless operations and world-class service delivery.
2. Howdo payment terms and delivery conditions work? Gain insights into our process designed for smooth and secure transactions, tailored to meet your needs.
(1) Payment terms: A 30% T/T deposit is required in advance, with the remaining balance due before delivery, ensuring a streamlined transaction process.
(2) Delivery Terms: Typically,for LCL (Less than Container Load) shipments,we provide options with CIF or EXW terms, offering both convenience and clarity;for LCL containertainer (less than a container load)we offer terms with FOB or CIF, ensuring flexibility to align with your preferences and requirements.
Delivery termsarenegotiablebased on your needs, providing a bespoke service experience tailored to your specific requirements.
3.Whatis the delivery timeline? Discover our efficient and reliable delivery schedules designed to meet your timeline and expectations.
FOBXiamenor other ports 25-30 days after receiving your advance payment, offering a seamless experience. The actualdelivery time is tailored to your order's unique specifications and quantities, providing a custom-fit solution that respects your scheduling needs.
If the item is in stock,the delivery timeis expedited to just 0-7 days, ensuring exceptional speed and efficiency in fulfilling your orders.
4. How can I be sure the part will fit my excavator? What about quality control? Trust in our meticulous quality assurance processes to guarantee fit and function.
(1) You can provide us with the correct model number, machine serial number, or any identifiable numbers on the
parts themselves. Alternatively, measure the parts and provide us with dimensions or a technical drawing to ensure a perfect match.
(2) Our commitment to quality is unwavering, as we employ elite testers to rigorously inspect every unit. This meticulous attention to detail ensures that each piece embodies superior quality, reflecting our dedication to excellence.
Our stringent control measures are designed to not only guarantee product safety during transit but also to uphold our longstanding commitment to unparalleled excellence.
5. How about the product's quality? Experience confidence with our tiered quality offerings, each meticulously crafted to deliver exceptional performance.
We offer a trio of distinct quality tiers designed to fulfill diverse performance requirements and budgetary considerations, ensuring you receive the perfect match for your needs.
(1)Economic Type Quality: This cost-effective option is tailored for superior performance in demanding construction environments. With a reassuring 6-month guarantee, it provides peace of mind and steadfast reliability. Perfectly compatible with robust machines such as the PC 100 and PC 200, it is ideal for 20-ton and sub-20-ton machines.
(2)Standard Type Quality: Crafted to excel in a variety of construction scenarios, this option comes with a 12-month guarantee. It is an excellent choice for mini excavators and equipment up to 20 tons, including models such as the versatile ViO 30, and the efficient PC 100 and PC 200.
(3)Heavy-Duty Type Quality: Designed for the most demanding applications, this category offers extraordinary durability with a 12-month guarantee. Engineered for machines over 30 tons, it accommodates formidable models like the ZAX 330, PC 650, PC1250, and the powerful D10T, making it ideal for mining, quarrying, and forestry.