HENGYUHANG 3PTF hydraulic gear pump is a high-performance external gear pump designed for medium to high pressure hydraulic systems. Manufactured with precision-machined gears and reinforced housing, the 3PTF series delivers stable flow, high volumetric efficiency, low noise, and long service life.
Engineered as a direct replacement for major European and American gear pump brands, the 3PTF series offers reliable performance while significantly reducing procurement cost and lead time. It is fully compatible with common mounting standards, shaft types, and port configurations used by global hydraulic pump manufacturers.
Technical Information
Displacement: 20~71cm³/rev.
Rotation direction: clockwise (D), counter-clockwise(S), reversible (R)
Min. speed: 400~600r/min
Max. speed: 2500~3500r/min
Peak pressure: 220~280bar
Served Industry
Construction machinery, Sanitation vehicles, Hydraulic systems
Features
Heavy duty special DU bearing with long working life
High strength cast iron body with special designed structure
Custimized mounting size and oil ports
100% factory teasted
Copper pressure balanced wear plates maintain high pump efficiency throughout all opearating ranges
High precision carburizing&quenching gears with extra hardness
Core advantages:
High pressure capability and excellent durability
Smooth operation with low pulsation
Wide displacement range for flexible system design
Ideal for OEM replacement and aftermarket applications
The HENGYUHANG 3PTF gear pump is widely used in mobile and industrial hydraulic systems, including:
Construction machinery (excavators, loaders, cranes)
Agricultural machinery (tractors, harvesters)
Industrial hydraulic power units
Material handling equipment
Road construction and municipal machinery
Marine and offshore auxiliary systems
Its robust design ensures stable operation even in harsh working environments and continuous-duty cycles.
Pump Type: External hydraulic gear pump
Series: 3PTF
Displacement Range: Medium to large displacement (model dependent)
Max Working Pressure: Up to high-pressure industrial standard
Speed Range: Suitable for both low and high RPM applications
Mounting: European standard flanges
Shaft Options: Keyed shaft / spline shaft
Port Options: SAE / BSP / Metric
Rotation: Bi-directional (CW / CCW)
Detailed dimensions and performance curves are available upon request.
HENGYUHANG 3PTF series can perfectly replace the following imported hydraulic gear pump brands and models:
Parker gear pump replacement
JIHOSTROJ gear pump replacement
CASAPPA gear pump replacement
David Brown gear pump replacement
METARIS gear pump replacement
The 3PTF series matches mounting dimensions, shaft specifications, port locations, and performance parameters, enabling drop-in replacement without system modification.
This makes HENGYUHANG an ideal choice for:
OEM cost optimization
Aftermarket repair and maintenance
Supply chain localization
Choosing the HENGYUHANG 3PTF hydraulic gear pump means choosing a reliable, cost-effective, and proven solution for replacing imported external gear pumps. Designed to meet international hydraulic standards, the 3PTF series offers stable performance, high pressure capability, and long service life, even in demanding industrial and mobile applications.
Compared with imported brands, our 3PTF gear pump provides 100% dimensional compatibility, allowing direct replacement without changing mounting, shafts, or ports. This significantly reduces downtime and installation costs. With optimized gear profiles and strict quality control, the 3PTF delivers high volumetric efficiency, low noise, and excellent durability.
In addition, HENGYUHANG ensures short lead times, flexible customization, and competitive pricing, helping customers reduce supply chain risks while maintaining consistent hydraulic system performance. Whether for OEM production or aftermarket replacement, the 3PTF series is a trusted external gear pump manufacturer solution for Parker, CASAPPA, JIHOSTROJ, David Brown, and METARIS gear pump replacements.
The 3PTF hydraulic gear pump is designed for medium to high pressure hydraulic systems. It is widely used in construction machinery, agricultural equipment, industrial hydraulic power units, material handling systems, and mobile hydraulics where stable flow and reliable performance are required.
Yes. The HENGYUHANG 3PTF gear pump can be used as a direct replacement for many models from Parker, CASAPPA, JIHOSTROJ, David Brown, and METARIS. The mounting dimensions, shaft types, port positions, and performance parameters are fully compatible, allowing installation without system modification.
Key advantages include:
High pressure capability and long service life
Stable flow with high volumetric efficiency
Low noise and smooth operation
Standardized mounting for easy replacement
Short lead time and competitive pricing
These features make the 3PTF an ideal external gear pump manufacturer solution for OEM and aftermarket applications.
Yes. The 3PTF series is designed for continuous and heavy-duty operation. Precision-machined gears, reinforced housing, and strict quality control ensure reliable performance even under demanding working conditions.
The 3PTF hydraulic gear pump is available with keyed shafts or spline shafts, and multiple port options including SAE, BSP, and metric connections, making it easy to match different hydraulic system requirements.
Compared to imported gear pumps, the 3PTF series offers significant cost advantages and shorter delivery times, while maintaining comparable performance and reliability. This helps reduce maintenance costs and supply chain risks.
Yes. HENGYUHANG supports customization for displacement, shaft type, port configuration, and rotation direction, making the 3PTF suitable for both standard replacement and OEM projects.
You can select the correct model by providing:
Original pump brand and model
Displacement and working pressure
Shaft type and port size
Our technical team will recommend the exact 3PTF equivalent model for your application.
CASAPPA, Parker PGP & JIHOSTROJ Hydraulic Gear Pump Models
| Brand | Series / Model | Typical Model Examples | Notes / Displacement Range |
|---|---|---|---|
| CASAPPA | POLARIS PL / PLP | PLP10·1, PLP10·2, PLP10·3, PLP20·4, PLP20·6, PLP20·8 | Aluminium external gear pumps; 1.07–33.03 cm³/rev |
| POLARIS PH | PH20·16, PH20·31.5 | Cast iron Polaris high-pressure series | |
| KP20 Series | KP20·4, KP20·6.3, KP20·8, KP20·11.2, KP20·14, KP20·16, KP20·20, KP20·25, KP20·31.5 | Medium displacement cast iron gear pumps | |
| KP30 Series | KP30·27, KP30·34, KP30·38, KP30·43, KP30·51, KP30·56, KP30·61, KP30·73 | Medium displacement industrial gear pumps | |
| KP35 Series | KP35·63, KP35·71, KP35·80, KP35·90, KP35·100 | Large displacement gear pump options | |
| KP40 Series | KP40·63, KP40·73, KP40·87, KP40·100, KP40·109, KP40·121, KP40·133, KP40·151, KP40·160, KP40·180 | Large cast iron heavy-duty gear pumps | |
| Parker | PGP020 / PGP025 | PGP020, PGP025 | Small displacement gear pump series |
| PGP030 / PGP031 | PGP030, PGP031 | Small to medium displacement | |
| PGP050 / PGP051 | PGP050, PGP051 | Medium displacement gear pumps | |
| PGP075 / PGP076 | PGP075, PGP076 | Medium to large displacement | |
| PGP315 | PGP315 | ~7.6 – 40.6 cm³/rev | |
| PGP330 | PGP330 | ~16 – 65 cm³/rev | |
| PGP350 | PGP350 | ~21 – 105 cm³/rev | |
| PGP365 | PGP365 | ~44 – 147.5 cm³/rev | |
| PGP505 | PGP505 | Group 1 aluminium gear pumps | |
| PGP511 / PGP511H | PGP511, PGP511H | Low-noise aluminium gear pump series | |
| PGP517 / 517H / 523H / 529H | PGP517, PGP517H, PGP523H, PGP529H | Expanded aluminium gear pump variants | |
| PGP610 / PGP620 / PGP640 | PGP610, PGP620, PGP640 | Large displacement cast iron gear pumps | |
| JIHOSTROJ | P23 Series | P23-1.2R/L, P23-1.6R/L, P23-2.1R/L, P23-2.5R/L, P23-3.3R/L, P23-3.6R/L | Compact gear pumps; ~0.8 – 11.8 cm³/rev |
| J Series | J-xx (various models) | Displacement ~2 – 15 cm³/rev | |
| T3 Series | T3-xx | Displacement ~4 – 31 cm³/rev | |
| UD / UDD Series | UD-xx | Displacement ~5 – 39 cm³/rev | |
| Q2 Series | Q2-xx | Displacement ~10 – 100 cm³/rev | |
| QHD Series | QHD0, QHD1, QHD2 | Heavy-duty gear pumps; ~7 – 150 cm³/rev | |
| GHD Series | GHD0, GHD1, GHD2 | Heavy-duty industrial gear pumps |
HENGYUHANG Company is a set design, production, sales in one of the hydraulic components production company, the company has advanced hydraulic components manufacturing technology and technology, the use of high-precision equipment CNC machining center, gear hot processing automatic production line, , automatic heat treatment multi-purpose furnace, single-piece flow assembly line, automatic hydraulic pump performance test bench. Intelligent equipment adopts automatic unmanned production, and realizes online measurement to ensure product consistency and reliability, intelligent system uses ERP, MES management software, improve production efficiency, and achieve product traceability.
Hengyuhang Power Technology produces and sells external gear pumps, hydraulic synchronous motors, multi-pump units, gear pumps with built-in valves, and custom valve blocks. Meanwhile, according to the specific needs of customers, we provide a variety of products with special specifications.And it can also be used as a substitute for other products (such as Rexlex, Danfoss, MARZOCCHI, Parker, RONZIO, Atos, Buchet, ECKERLE, CONCENTRIC, HYADC, JIHOSTROJ, Hydraulic, SDH, VIVOLO, ARGO-HYTOS, HESPER, HPLPA, HPI, DUPLOMATIC, ROQUET, BODEN,PERMCOP, Caproni, DUPLOMATIC, HIDRAULICA, SETTIMA, SALAMI, HONOR, SHIMADZU, GRH, Brevini, Galtech, BONDIOLI, REXROTH-SIGMA, BLUEASCEND, RISUNY, SUMITOMO, HYDROMAX, SCENERY, REXPOWER, CML, HOERBIGER, SUNNY, HYTEK, Hydro-pack, )
HENGYUHANG also sells a wide range of other international brands of hydraulic pumps, hydraulic valves, hydraulic motors, hydraulic cylinders, hydraulic oil seals, hydraulic equipment and accessories, and has high-quality overseas ordering channels
HENGYUHANG products are mainly used in the supporting services of industries such as automobiles, construction machinery, agricultural machinery, aerial work platforms, hydraulic systems, logistics handling vehicles, new energy vehicles, metallurgical machinery, petroleum machinery, machine tools, and wind powe
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