Full compatible excavator models: Yanmar B22, B22-1, B22-2, B22-2A, B22-2B
Unified mounting structure fits all generation iterations of the B22 platform for direct replacement installation
2. Core Technical Specifications
Structure type: Tandem variable axial piston main pump integrated with built-in pilot gear pump
Main pump displacement: 14 cc/rev
Rated system working pressure: 24.5 MPa; preset maximum relief pressure: 31.4 MPa
Designed maximum operating rotation speed matches original engine rated speed configuration
Input shaft spline, mounting flange and all hydraulic port positions strictly follow OEM dimensional standard
Pump housing made of ductile iron; internal pistons and valve plates adopt wear-resistant quenched steel for long service lifespan
3. Internal Structure & Functional Introduction
Main piston pump supplies high-pressure hydraulic oil to drive boom, arm, bucket, travel and swing movements
Integrated pilot gear pump provides stable oil supply for pilot control circuit and system oil replenishment
Built-in power regulator automatically adjusts pump output flow according to load variation to avoid engine stalling under heavy digging conditions
Compact integrated design saves installation space inside the mini excavator hydraulic compartment
4. Product Advantages
Exact 1:1 OEM casting dimension, consistent bolt layout and oil port layout, enabling plug-and-play replacement without pipeline or chassis modification
Every finished pump undergoes complete hydraulic bench testing for pressure, flow stability and internal leakage inspection before delivery
Complete set of maintenance spare parts including overhaul seal kits, piston assemblies, swash plates and valve plates are available for individual repair replacement
Unified specification for all B22 serial variants, simplifying spare part stocking and inventory management
5. Packaging & Global Delivery Details
Input shaft and all oil ports are coated with anti-rust protective grease and sealed with dust plugs
Entire pump wrapped with moisture-proof plastic film and fixed inside export-grade solid wooden crate to prevent collision and damp damage during long-distance sea or air transit
In-stock items can be arranged for shipment within 3 to 5 working days after order confirmation
Multiple global shipping solutions available: international air express, sea LCL/FCL bulk shipment and overland truck transportation
6. FAQ
Q: Is this pump interchangeable among B22, B22-1, B22-2, B22-2A and B22-2B? A: Yes, this AP2D14 pump with part number 172141-73100 is universally applicable for all listed B22 generation models with identical installation size and hydraulic matching parameters.
Q: Are individual repair components available for this hydraulic pump? A: Matching overhaul seal kits, piston shoe assemblies, valve plates, swash plates and pilot gear pump spare parts are all in stock for partial overhaul maintenance.
Q: What does AP2D14 represent? A: AP2D14 is the original Rexroth Uchida pump model code, while 172141-73100 is the exclusive OEM part number assigned by Yanmar for this assembly.
Polityka prywatności Chiny Dobra jakość Części do koparek hydraulicznych Sprzedawca. 2021-2026 GUANGZHOU BELPARTS ENGINEERING MACHINERY LIMITED Wszystkie prawa zastrzeżone.