Heavy‑duty cast iron pump housing paired with precision‑machined internal gear components
Stable output pressure and consistent oil flow for dump‑truck hydraulic power system
High‑performance sealing elements reduce internal leakage under continuous high‑pressure mine‑site cycles
Excellent wear and fatigue resistance for long‑time heavy‑load hauling operations
Full pressure and dimensional performance testing completed before shipment for perfect interchangeability
Direct‑fit replacement assembly, no extra machining required during hydraulic system overhaul
Compatible Machine
This pump assembly is compatible with:
Komatsu HD255 Mining Dump Truck
If you’re unsure whether this part matches your machine, simply provide your machine serial number (S/N), and our technical team will verify compatibility before shipment.
Applications
The 705‑52‑30290 pump assy is a core hydraulic power supply component for Komatsu HD255 mining dump truck, widely used in working scenarios:
Hydraulic system overhaul and repair for HD255 heavy‑haul mining dump truck
Open‑pit mining bulk ore and material transportation operations
Quarry high‑capacity material haulage and stockpile‑transfer projects
Large‑scale mine‑site infrastructure construction
Preventive maintenance for high‑hour dump trucks under severe working conditions
It delivers pressurized hydraulic oil to relevant actuators, guarantees reliable vehicle hydraulic functions and lowers unexpected system downtime.
Why Choose YLCM?
YLCM specializes in supplying genuine Komatsu, CAT and premium aftermarket spare parts to customers worldwide. We provide:
Genuine Komatsu original pump assembly and equivalent high‑quality aftermarket replacement parts
Strict pre‑shipment dimensional and hydraulic performance inspection for every hydraulic component
Competitive factory‑direct pricing
Fast worldwide delivery
Professional export‑grade packaging
Dedicated technical support before and after sales
Extensive export experience serving customers in Russia, Southeast Asia, the Middle East, Africa, and South America
In addition to hydraulic pumps, we also supply hydraulic parts, undercarriage parts, engine components, electrical parts, filters, and a full range of heavy‑equipment replacement parts.
Packaging & Shipping
Every pump assembly is professionally packed to ensure safe international transportation. Packaging options include:
Moisture‑proof anti‑rust protective wrapping
Heavy‑duty shock‑absorbing padding to avoid bumping and gear‑surface damage
Export‑standard solid carton or wooden case
Sea freight
Railway transportation
Multimodal logistics solutions
Each unit is securely packaged to minimize abrasion, extrusion and deformation risks and ensure arrival in excellent condition.
Request a Quote
Looking for the 705‑52‑30290 PUMP ASSY for KOMATSU HD255? Contact YLCM today to receive:
Latest quotation
Delivery lead time
Packing details
Shipping solution
Technical support
OEM part verification
Our experienced sales team will respond promptly with a competitive quotation and professional service tailored to your project requirements.
Frequently Asked Questions
Q: Is this a genuine Komatsu part? A: We can supply both genuine Komatsu original and high‑quality aftermarket versions for 705‑52‑30290, to meet diverse customer needs and budget requirements. Please contact us if you have a specific preference, and we will be happy to assist.
Q: How do I confirm this part is correct for my machine? A: To ensure perfect compatibility, please provide your machine serial number (S/N) or the original part number to our team. We will verify the match for you promptly.
Q: What is the warranty on this product? A: This product comes with a standard 6‑month warranty against manufacturing defects.
Q: What is the typical shipping time? A: This item is generally in stock. The final lead time will be confirmed when we provide your official quote, based on your destination and shipping method preference.
