KTJ16510 Main Hydraulic Pump for Case Excavator CX490C CX500C & Kobelco SK490 SK500
Function: It serves as the heart of the hydraulic system, providing the necessary power for digging, lifting, swinging, and traveling operations.
Key Features
· High-pressure & high-efficiency performance: Advanced axial piston design delivers a maximum working pressure of 35 MPa (5075 psi), boosting hydraulic system efficiency by 12% and reducing fuel consumption during heavy loads.
· Direct OEM fit: Exact replication of mounting flanges, shaft splines, and port configurations enables plug-and-play installation without modifying hydraulic lines or brackets.
· Optimized flow control: Variable displacement design automatically adjusts output to match load demands, enhancing operational precision and minimizing heat generation.
· Reliable sealing system: Dual-lip oil seals and reinforced O-rings prevent internal and external leaks, maintaining system pressure stability and reducing maintenance downtime.
Compatible Models & Part Numbers
· Case Excavators: CX490C, CX500C
· Kobelco Excavators: SK490, SK500
· Part Number: KTJ16510
· Interchangeable References: KTJ16510 (matches original main pump specs for above models)
Thank you for choosing SPARKLING MACHINERY for your heavy excavator hydraulic power needs. The KTJ16510 main hydraulic pump is built to OEM standards, boasting high-pressure axial piston technology and durable components, delivering reliable power for Case CX490C/CX500C and Kobelco SK490/SK500 excavators. It balances performance, durability, and easy installation to minimize downtime and maximize productivity in mining, quarrying, and large construction projects.
The SPARKLING MACHINERY NEW KTJ16510 Main Pump Photo:
Why Choose the SPARKLING KTJ16510 Main Hydraulic Pump?
- Perfect fit guarantee: Replicates original dimensions, splines, and ports for Case CX490C/CX500C and Kobelco SK490/SK500—no modifications needed for installation.
- Superior power delivery: 35 MPa max pressure and 12% higher efficiency ensure responsive control and lower fuel costs in heavy-duty operations.
- Rigorous quality validation: Each unit undergoes pressure testing, flow calibration, and 100-hour continuous load trials, complying with ISO 9001 and CE standards, withstanding long-term heavy loads.
- Professional technical support: Our team provides installation guidance aligned with Case/Kobelco maintenance protocols, plus hydraulic oil grade (ISO VG 46) and filtration recommendations for optimal performance.
- Cost-effective reliability: OEM-level performance at a competitive price; wear-resistant components reduce long-term replacement and maintenance costs for your excavator fleet.
About SPARKLING MACHINERY:
- Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.

Get In Touch:
- Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.
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📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation



🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
Get a free quote
We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.
Sparkling Machinery Co.,Ltd
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Whatsapp: +8613609010879