Parker P2075 / P2 Series Mobile Variable Displacement Piston Pump
Guangdong Haozheng Hydraulic Equipment Co., Ltd. specializes in manufacturing high-speed, compact Parker P2075 and P2 series variable displacement axial piston pumps. Engineered strictly for open-circuit applications in heavy-duty mobile machinery and commercial utility vehicles, the P2075 pump features a space-optimized swashplate design with an integrated pre-compression chamber. It is globally recognized for its exceptional self-priming speeds, minimized noise levels under rapid throttle, and a highly responsive control architecture that excels when driven directly by vehicle power take-offs (PTOs).
As an established global B2B hydraulic supply specialist, Haozheng supplies complete P2075 pump assemblies and precision-machined internal rotating overhauls with 100% dimensional and operational interchangeability with original Parker Hannifin units [cite: Gemini Chat. Evidence: Direct identification of the company name while requesting SEO content and optimization for the website haozheng.ru. Date: 2026-05., Gmail. Evidence: Management of domain names and product listings for haozhenghydraulic.com and hydraulic-pumpparts.com. Date: 2024-11 to 2026-04.]. To counter volatile dynamic pressure spikes common in construction environments, every pump is calibrated and rigorously audited on our advanced computerized test benches before global export packaging.
Technical Parameters & Model Selection Guide (P2 Series Platform)
-
Design Type: Swashplate design, variable displacement, compact mobile frame
-
Circuit Configuration: Open Circuit
-
Nominal Pressure: 320 Bar (32 MPa)
-
Peak Pressure: Up to 370 Bar (37 MPa)
-
Focus Model Display: P2075 (75 cc/rev)
-
Available Platform Sizes: P2060 / P2075 / P2095 / P2145 cc/rev
-
Common Mobile Controls: Standard Pressure Compensator (P), Remote Pressure Control (M), Load Sensing (S), Electronic Proportional Displacement Control (E)
| Displacement Sizing | Displacement Volume | Max Continuous Pressure | Full Model Code Cross-Reference | Shaft & Flange Options |
| P2060 | 60 cc/rev | 320 Bar | P2060R01C1PM00S, P2060L01C1SM00S | SAE B & C Standard, Splined / Keyed |
| P2075 (Star Model) | 75 cc/rev | 320 Bar | P2075R01C1PM00S, P2075R01C1SM00S | SAE C Mounting Flange, Heavy Spline |
| P2095 | 95 cc/rev | 320 Bar | P2095R01C1PM00S, P2095R01C1TM00S | SAE C Flange, Through-Drive Avail. |
| P2145 | 145 cc/rev | 320 Bar | P2145R01D1PM00S, P2145R01D1SM00S | SAE D Flange, Heavy Mobile Drives |
High-Speed Fluid Power for Utility Vehicle PTOs & Mobile Infrastructure
Thanks to its minimized envelope size, high continuous 320 Bar pressure rating, and excellent self-priming behavior, our P2075 series replacement pumps are heavily relied upon across demanding mobile vocational fleets:
-
Mobile Truck Cranes: Running main telescopic boom cylinders, heavy-duty hoisting winches, and smooth outrigger stabilization jacks.
-
Concrete Transit Machinery: Driving auxiliary high-flow delivery loops and boom positioning arms on high-reach concrete pump units.
-
Heavy-Duty Waste & Environmental Fleets : Supplying constant-flow load-sensing hydraulics for continuous compaction mechanisms on refuse collection trucks.
-
Mining & Excavation Support Attachments: Operating rotary drilling setups, heavy container reach stackers, and heavy dynamic handling tool arrays.
The Haozheng Advantage: High-Speed Rotor Tuning & Truck-Ready Seals
Sourcing your commercial mobile P2075 pumps from Guangdong Haozheng Hydraulic Equipment Co., Ltd. injects field-validated manufacturing safeguards directly into your parts supply pipeline:
-
100% True Drop-In Field Compatibility: All critical tolerances, spline sizes, side/rear pressure ports, and top control valves strictly align with original Parker specs, guaranteeing instant field swap-outs without truck body modifications.
-
Dynamic Engine Simulation Test Bench Logs: Fleet equipment cannot afford oil leaks. Every P2075 pump is load-verified on our specialized dyno-test benches to guarantee that its load-sensing pressure tracking operates with perfect accuracy across volatile engine RPM fluctuations.
-
Maritime-Grade Corrosion Vacuum Sealing: To effectively isolate high-precision steel assemblies from oceanic humidity and shipping moisture, all units are vacuum-sealed in heavy polymer, rust-inhibited, and crated inside standard export fumigation-free wooden cases.
-
Agile In-Stock Supply Chain: We maintain a dedicated strategic stock of the high-demand P2075 frame size with standard SAE splines to secure lightning-fast international delivery and get your client’s truck back on the road instantly.
Haozheng Hydraulic Production Processing Diagram
Haozheng Hydraulic Honorary Certificate
Exhibition
Frequently Asked Questions (FAQ)
Q1: What are the main design differences between Parker P2075 and PD075 series pumps? A: While both are 75 cc/rev open-circuit variable pumps from Parker, the P2075 (P2 Series) is optimized specifically for mobile vehicle installations. It features a more compact design envelope, higher permissible self-priming speeds, and a specialized internal layout designed to handle the variable input speeds and space constraints of truck PTO gearboxes. The PD075 is broader and widely used across general industrial power packs alongside mobile loops.
Q2: Why is proper setting of the Load-Sensing (S) control valve crucial on a P2075 crane pump? A: The Load-Sensing (LS) valve acts as the intelligence center for the crane’s operations. It reads the pressure down the line from the crane’s main spool valves and commands the P2075 pump to only stroke up to the exact flow required. If the LS differential pressure is set incorrectly, the pump will either fail to lift the load properly or remain stroked at high pressure, causing massive fuel waste and rapid hydraulic system overheating.
Q3: What causes immediate shaft seal blowout on a newly installed P2075 truck pump? A: The primary cause of immediate shaft seal failure upon PTO engagement is high case pressure due to an improperly connected or missing case drain line. Mobile pumps like the P2075 must have a direct, unrestricted case drain pipe routed back to the hydraulic reservoir below the fluid level. If this line is blocked or routed through a filter that creates backpressure, the internal pressure will instantly pop the front rubber shaft seal.
