Nachi PVD-0B-12P / 18P 7172754 hydraulic pump for Bobcat 324 E16 E17Z E19 E20 E20Z mini excavator
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Product Title
Nachi PVD-0B Hydraulic Main Pump for Bobcat 324 E16 E17Z E19 E20 | OEM Part No. 7172754
1. Product Overview
The Nachi PVD-0B-12P / 18P is a compact, variable displacement axial piston pump specifically engineered for small-chassis mini excavators. As the primary pump for Bobcat’s 1.5 to 2.0-ton lineup, it utilizes a specialized multi-circuit design. This allows the machine to perform multiple functions—such as traveling and lifting the boom—simultaneously and smoothly without stalling the engine. Its "integrated" construction includes a gear pump section for pilot control, ensuring consistent joystick pressure.
2. Comprehensive OEM Part Number Compatibility
This pump is a 100% direct "bolt-on" replacement for Bobcat factory part numbers and Nachi series specifications.
Common Part Numbers:
7172754, PVD-0B-12P, PVD-0B-18P, PVD-0B-19P, 7200424.
Machine Fitment:
Bobcat E-Series: E16, E17, E17Z, E19, E20, E20Z
Bobcat 300-Series: 324
Compatible with select Long-Track and Zero Tail Swing configurations.
3. Technical Specifications & Performance
Manufacturer: Nachi-Fujikoshi (Original Equipment Manufacturer).
Pump Type: Variable Displacement Axial Piston Pump + Integrated Gear Pump.
Flow Efficiency: Precision-lapped swash plate and pistons provide high volumetric efficiency, reducing heat generation.
Operating Pressure: Rated for standard Bobcat relief settings (approx. 210–250 bar) to maintain maximum digging force.
Control System: Load-sensing capability for optimized fuel economy and precise attachment control.
Mounting: OEM-standard 2-bolt flange and spline shaft for a seamless "plug-and-play" installation.
4. Why Partner With a 13-Year Industry Expert?
Technical Mastery: We specialize in Nachi hydraulic systems. We ensure that the pump regulators are set to match Bobcat’s specific hydraulic curves, restoring your machine’s original cycle times.
Rigorous Bench Testing: Every unit undergoes a 100% performance test on a hydraulic bench to verify flow rates, pressure stability, and seal integrity before export.
Factory-Direct Value: Access Original New or Premium OEM-spec units at competitive wholesale prices, bypassing the significant markups found at local dealerships.
Global Rapid Logistics: Units are secured in reinforced, shock-proof export packaging. We offer express delivery via DHL, FedEx, or UPS, typically arriving in 3 to 7 business days.
5. Critical Installation & Maintenance Protocol
Case Priming (Mandatory): You must fill the pump housing with clean hydraulic oil through the topmost drain port before starting the engine. Running the pump "dry" will cause immediate catastrophic failure of the internal piston shoes.
System Decontamination: If the previous pump failed mechanically (sending metal shavings into the system), you must flush the hydraulic tank, lines, and oil cooler. Failure to do so will destroy the new pump.
Filter Mandate: Always install a new high-efficiency hydraulic return filter and suction strainer during the pump replacement to protect the precision-lapped internal components.
6. Ordering & Professional Support
Fitment Verification: To ensure 100% accuracy, please provide your Machine Serial Number (found on the frame plate) or a photo of your existing pump’s nameplate.
Instant Quote: Contact us today for up-to-date pricing, tiered quality options, and current stock status.
Technical Guidance: Our expert team is available 24/7 to provide professional advice on installation, air bleeding, and hydraulic troubleshooting.