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{"title":"ZAX240-3 Excavator Final Drive Travel Motor Cover Heavy Duty Spare Part Replacement","imgUrl":"https:\/\/img.chinax.com\/nimg\/65\/91\/036227b938edd3fb57fb2d832866-200x200-1\/zax240_3_excavator_final_drive_travel_motor_cover_heavy_duty_spare_part_replacement.jpg","attrs":{"Part Type":"Final Drive Travel Motor Cover","Model Number":"ZAX240-3","Fit For":"ZAX240-3 Series Excavator","Model":"ZAX240-3"}}
{"title":"511-0315 Excavator Final Drive Piston Motor Assembly For 336D2 340F 345 GC Replacement","imgUrl":"https:\/\/img.chinax.com\/nimg\/bd\/29\/a5aab254975c8965f0ffd01f3a0c-200x200-1\/511_0315_excavator_final_drive_piston_motor_assembly_for_336d2_340f_345_gc_replacement.jpg","attrs":{"Place of Origin":"Guangdong, China","Part Type":"Final Drive Piston Motor Assembly","Warranty":"3 Months","Brand Name":"YFM FK"}}
{"title":"YA00031363 UB36-303 Main Control Valve Distributor Assembly With Hitachi ZX870-5G Crawler Excavator","imgUrl":"https:\/\/img.chinax.com\/nimg\/f1\/cc\/96c38792b59bcca5a92da076e924-200x200-1\/ya00031363_ub36_303_main_control_valve_distributor_assembly_with_hitachi_zx870_5g_crawler_excavator.jpg","attrs":{"Payment Terms":"T\/T,L\/C,PayPal,Western Union","Model":"UB36-303","Minimum Order Quantity":"1 Piece","Certification":"ISO 9001:2015"}}
{"title":"SWE90 Excavator Center Joint Oil Cup Swivel Assembly 360 Degree Rotation Hydraulic Distributor","imgUrl":"https:\/\/img.chinax.com\/nimg\/dc\/10\/b38cbe5d06dd00310f9a8764aab7-200x200-1\/swe90_excavator_center_joint_oil_cup_swivel_assembly_360_degree_rotation_hydraulic_distributor.jpg","attrs":{"Certification":"ISO 9001:2015","Part name":"Center Rotary Joint","Warranty":"3 Months","Brand Name":"YFM FK"}}
{"title":"505-5180 Hydraulic Fan Piston Pump 349 340 352 350 336 355 345 Excavator Cooling System Part","imgUrl":"https:\/\/img.chinax.com\/nimg\/26\/45\/cd6958677b19ca14bafbee229959-200x200-1\/505_5180_hydraulic_fan_piston_pump_349_340_352_350_336_355_345_excavator_cooling_system_part.jpg","attrs":{"Warranty":"3 Months","Delivery Time":"15 - 30 days","Application":"Excavator \/ Mobile Hydraulic Power Unit","Price":"$500 - 800 \/ unit"}}
{"title":"239-9957 D6N Hydraulic Switch For Crawler Excavator Direct From Factory","imgUrl":"https:\/\/img.chinax.com\/nimg\/27\/0d\/2fd9f1f9b9a6f09101a627ef29cb-200x200-1\/239_9957_d6n_hydraulic_switch_for_crawler_excavator_direct_from_factory.jpg","attrs":{"Place of Origin":"Guangdong, China","Supply Ability":"50","Part number":"239-9957","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union"}}
{"title":"Charge Pump Gear Pump For PV21 PV22 PV23 Tandem Pump Construction Machinery Hydraulic Parts","imgUrl":"https:\/\/img.chinax.com\/nimg\/17\/3f\/ca732b1c09022c8679fcf3322395-200x200-1\/charge_pump_gear_pump_for_pv21_pv22_pv23_tandem_pump_construction_machinery_hydraulic_parts.jpg","attrs":{"Brand Name":"YFM FK","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union","Warranty":"3 Months","Place of Origin":"Guangdong, China"}}
{"title":"705-12-38011 Construction Machinery Hydraulic Gear Pump With Komatsu GD825A HM350 WA500 WF550","imgUrl":"https:\/\/img.chinax.com\/nimg\/1a\/5e\/fa98b3eb88ef8d41d63446cbcd0f-200x200-1\/705_12_38011_construction_machinery_hydraulic_gear_pump_with_komatsu_gd825a_hm350_wa500_wf550.jpg","attrs":{"Pump Type":"External Gear Pump","Brand Name":"Ecerco","Place of Origin":"Guangdong, China","Packaging Details":"Standard export wooden case with anti-rust treatment and protective foam"}}
{"title":"PV48K1453A Excavator Pilot Control Joystick Assembly For Crawler Excavator Hydraulic","imgUrl":"https:\/\/img.chinax.com\/nimg\/27\/aa\/5fc080b873e0f715d368505b2551-200x200-1\/pv48k1453a_excavator_pilot_control_joystick_assembly_for_crawler_excavator_hydraulic.jpg","attrs":{"Brand Name":"YFM FK","Part name":"Pilot Control Joystick","Delivery Time":"15-30","Warranty":"3 Months"}}
{"title":"SK260-8 Foot Pedal Valve Assembly Crawler Excavator Use Travel Pilot Control Valve","imgUrl":"https:\/\/img.chinax.com\/nimg\/e4\/f2\/7f2d95a8243d3350b43fc3855fab-200x200-1\/sk260_8_foot_pedal_valve_assembly_crawler_excavator_use_travel_pilot_control_valve.jpg","attrs":{"Supply Ability":"50","Warranty":"3 Months","Part name":"Foot Pedal Valve","Model Number":"SK260-8"}}
YFM FK provides comprehensive OEM and ODM services for hydraulic component buyers worldwide:
Private Label Manufacturing: Custom branding with your company logo, part number, and packaging design across all 13 product categories—from hydraulic pumps to safety valves
Reverse Engineering: Submit your sample part or technical drawing; our R&D team analyzes, measures, and produces exact functional equivalents with full dimensional documentation
mounting patterns, thread sizes, seal materials, and surface treatments for any hydraulic component in our portfolio
Custom Packaging: Branded color boxes, blister packs, or bulk packaging with your artwork, barcodes, and multi-language technical documentation
Flexible MOQ: OEM orders from 50 pieces per SKU for standard components; smaller trial batches available for new partnerships
Production Line:
Our manufacturing facility is organized into six specialized production units to cover the full range of excavator hydraulic components:
1. Hydraulic Pump Assembly Workshop
Dedicated to remanufacturing and assembling main hydraulic pumps for crawler excavators, covering K3V, K5V, HPV, A8VO, PSVL and PSVD series. Equipped with dynamic test benches capable of validating flow rates up to 500 L/min and pressures up to 45 MPa.
2. Precision Machining Center
20+ CNC lathes and 4-axis machining centers produce pump shafts, cylinder blocks, valve plates, pistons, swash plates, and bearing housings. Tolerances are maintained within ±0.005mm for all critical rotating components.
3. Final Drive & Swing Motor Workshop
Specializes in travel
motor and swing motor assembly and testing for major excavator brands including Hitachi, Komatsu,Kobelco, and Hyundai. Each unit undergoes load testing simulating real-world operating conditions before shipment.
4. Control Valve & Hydraulic Safety Valve Unit
Produces main control valves, relief valves, safety valves, unloading valves, and pump control valves for excavators from 5 to 50 tons. Every valve is individually calibrated on digital hydraulic test benches with pressure certification documentation.
5. Solenoid Valve & Electrical Components Line
Manufactures solenoid valves, proportional valves, pressure switches, and electronic sensors for excavator hydraulic systems. Includes automated coil winding, resistance testing, and response time verification stations.
6. Small Components & Accessories Workshop Produces joysticks, center swivel joints, cooling fan motors, gear pumps, oil pumps, and pump coupling components. Lean manufacturing cells allow flexible batch sizes from 20 to 2,000 pieces.
R&D:
Our 8-person R&D team supports product development across all excavator hydraulic categories:
3D Modeling & Simulation: SolidWorks and ANSYS for pump flow dynamics, valve pressure characteristics, fatigue analysis, and thermal simulation before prototyping
New Product Development: 15-20 new part numbers added annually, expanding coverage for Hitachi EX/ZAX,
Komatsu PC, Kobelco SK, Hyundai R, and EC series
Material Research: Ongoing evaluation of advanced alloys, surface treatments (DLC, CrN, nitriding), and high-temperature seal compounds for extreme operating environments
Lifecycle Testing: Accelerated durability testing simulates 10,000+ operating hours through cyclic loading, thermal cycling, and contamination tolerance evaluation on all new designs
Cross-Reference Database: Maintains a comprehensive OEM-to-aftermarket cross-reference catalog, updated quarterly, covering 500+ excavator models across 10+ major brands
Technical Documentation: Complete dimensional drawings, material certificates, installation guides, and torque specifications provided with every new product release
Our Team:
We have professional technician team all in this area, welcome customers from all over the world visit our website, and inform us if you have any needs, we are looking forward to give you good services!
History:
About Us — Guangzhou Xingfan Precision Oil Pressure Co., Ltd.
Officially incorporated on November 18, 2022, and headquartered in Tianhe District, Guangzhou, Guangzhou Xingfan Precision Oil Pressure Co., Ltd. is a technology-driven enterprise specializing in the R&D, manufacturing, and distribution of hydraulic components for construction machinery.
A Decade of Industry Experience Before Day One
Our story began long before the company was formally established. As early as 2011, our core team had already been deeply embedded in the construction machinery sector, witnessing firsthand the entire arc of China's hydraulic components industry — from chronic part shortages and heavy reliance on imports, to the hard-won breakthroughs of domestic manufacturing.
Back then, high-end hydraulic pumps, valves, and motors were dominated by overseas suppliers, with delivery lead times stretching for months. The team spent those years on the front lines, watching domestic factories chip away at technical barriers one by one, transforming from imitation to genuine innovation.
Built to Last — Engineered for Real-World Conditions
With over a decade of field experience, we understand that the true measure of a hydraulic component is not what's printed on a specification sheet — it's how it performs in mines, riverbeds, high-altitude plateaus, and sub-zero job sites. Durability under real-world conditions is our singular focus.
In 2022, the team formalized this mission by founding Guangzhou Xingfan Precision Oil Pressure Co., Ltd., operating under the
YFM FK brand. We supply core hydraulic components — hydraulic pumps, piston pumps, final drives (travel motors), swing motors, center rotary joints, and control valves — as well as internal service parts including pistons, cylinder blocks, valve plates, retainer plates, and swash plates.
Application-Matched, Not One-Size-Fits-All
We don't believe in a single product for every machine. Instead, we match hydraulic solutions to the specific operating conditions of each equipment type — excavators, rotary drilling rigs, pile drivers, amphibious excavators, concrete pump trucks, mixer trucks, cranes, injection molding machines, and more.
Looking Ahead
Backed by mature casting processes and precision machining and testing facilities, YFM FK hydraulic components have become a trusted choice in the construction machinery aftermarket. Moving forward, Guangzhou Xingfan remains committed to the principle of "Built to Last" — standing alongside OEMs, distributors, and repair providers to ensure that every machine on the job site is powered by dependable, readily available hydraulic parts.
Service:
We provide:
Product & Data Accuracy — Sales-product data alignment to ensure cargo accuracy.
