HENGYUHANG 3PD2F hydraulic gear pump is designed as a highly compatible solution for the replacement for Danfoss SNW series tandem gear pumps, including SNW3NN, SNW2NN, and SNW1NN double gear pump models. With identical mounting dimensions, equivalent pressure ratings, and matching flow characteristics, the 3PD2F gear oil pump can be installed into existing hydraulic systems without any modification to pipelines or hydraulic circuits.
This OEM tandem hydraulic gear pump provides equipment manufacturers and maintenance buyers with a cost-effective alternative to Danfoss hydraulic pumps while maintaining reliable and stable performance.HENGYUHANG gear pump 3PD2F parameters
Displacement combination: It can be customized with different engine displacements according to customer requirements.
Rated pressure: 30MPa
Peak pressure: up to 25 MPa
Speed range: 600–3000 rpm
Volumetric efficiency: ≥95%
Noise level: 65–75 dB
Medium: anti-wear hydraulic oil HM/HVG
Mounting: SAE flange, European standard flange
Shaft type: keyed shaft / spline shaft optional
All HENGYUHANG hydraulic pumps are 100% tested for pressure, leakage and flow rate before export delivery.
The HENGYUHANG 3PD2F hydraulic gear pump is engineered as a professional tandem hydraulic gear pump and serves as an effective replacement for Danfoss SNW series double pumps. This hydraulic gear pump replacement follows the same installation standard and performance level as Danfoss SNW3NN, SNW2NN, and SNW1NN tandem gear pumps, allowing customers to complete substitution without changing the original hydraulic system.
As an experienced OEM hydraulic gear pump manufacturer, HENGYUHANG focuses on producing high efficiency gear pump for hydraulic system with stable flow output, low noise, and long service life. The 3PD2F tandem pump is an ideal choice for buyers seeking a cost-effective replacement for Danfoss hydraulic gear pump used in construction machinery and industrial equipment.
The HENGYUHANG hydraulic gear pump 3PD2F performs the following functions:
Provide continuous pressure oil source as a standard hydraulic gear pump
Realize two independent flow outputs in tandem hydraulic gear pump configuration
Distribute power for steering circuit and working circuit
Maintain strong self-priming ability of gear pump for hydraulic system
Reduce pulsation and internal leakage of double pump
Compared with Danfoss tandem hydraulic gear pump, the 3PD2F pump keeps equivalent delivery characteristics and can directly replace Danfoss SNW1NN SNW2NN SNW3NN double gear oil pump in original equipment.
HENGYUHANG gear pump parameters
The typical specifications of this hydraulic gear pump replacement are:
Displacement combination of tandem hydraulic gear pump: 4cc+4cc – 32cc+26cc
Rated pressure of hydraulic gear pump: 25MPa
Peak pressure of double pump: up to 30MPa
Speed range of gear pump for hydraulic system: 600–3000rpm
Volumetric efficiency of hydraulic gear pump replacement: ≥95%
Noise level of tandem hydraulic gear pump: 65–75dB
Each HENGYUHANG hydraulic gear pump is 100% tested before export to ensure performance equal to Danfoss SNW series tandem gear pumps.
The HENGYUHANG hydraulic gear pump 3PD2F is widely used as a replacement for Danfoss in these industries:
Construction machinery hydraulic system using tandem hydraulic gear pump
Agricultural machinery requiring double gear pump for hydraulic system
Industrial power units equipped with hydraulic gear pump
Vehicle mounted equipment using tandem gear oil pump
Marine and port machinery demanding reliable replacement for Danfoss tandem pump
Buyers searching for SNW3NN SNW2NN SNW1NN tandem hydraulic gear pump replacement can choose HENGYUHANG 3PD2F to reduce cost and downtime.
Danfoss Hydraulic Pump Advantages
Strong brand reputation and global recognition
Mature design and good stability
Excellent noise control of original Danfoss pumps
High standard material requirements
Good universality in European and American equipment
High price and increased procurement cost
Long lead time and limited stock
After-sales dependent on agents
Sensitive to oil contamination
High maintenance and replacement expense
Difficult adaptation for old equipment
These weaknesses drive buyers to seek Danfoss gear pump replacement solutions.
Why choose HENGYUHANG 3PD2F gear pump
More cost-effective price, 30–50% lower than Danfoss
Perfect fit compatibility with SNW3NN SNW2NN SNW1NN
Fast delivery with factory stock support
Strong OEM hydraulic pump customization
Better anti-pollution ability
Lower maintenance cost with spare parts repair
Direct technical support from manufacturer
Multi-industry verified performance
Upgraded alloy materials and heat treatment
Reliable export packaging and global shipping
HENGYUHANG tandem double pump benefits
Reduce equipment BOM and purchasing cost
Shorten downtime during maintenance
Establish stable spare parts channel
Obtain factory selection guidance
Upgrade old hydraulic systems
Get 12-month warranty
For buyers using SNW3NN SNW2NN SNW1NN tandem gear oil pump and facing high price or long delivery, HENGYUHANG 3PD2F hydraulic gear oil pump is the ideal replacement for Danfoss SNW series. Choosing HENGYUHANG OEM tandem hydraulic gear pump will bring comprehensive advantages and long-term benefits.



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
No. 173, Xiacuo, Sihuang Village, Xiamei Town, Nan 'an City, Fujian Province