YUKEN hydraulic pumps are widely used in crane systems due to their high reliability, high pressure resistance and energy-saving performance. The following are the main series and corresponding models suitable for cranes, along with their core characteristics to meet different crane working conditions (such as lifting, luffing and slewing).

1. Piston Pump Series (Mainly for Heavy-Duty Cranes)

Piston pumps are the core choice for medium and large cranes, featuring high operating pressure, large displacement and precise flow control, which can meet the high-power demand of crane lifting and heavy-load operation.

1.1 A Series Variable Displacement Piston Pumps

This series is a standard piston pump with multiple control types, suitable for various crane hydraulic systems that require stable pressure and flexible flow adjustment. It has a maximum operating pressure of up to 28 MPa, which can meet the working requirements of most medium-tonnage cranes.

Key Models:

• A70 Series: A70-FR01HS-60 (integrated load-sensing control, suitable for crane lifting mechanism, with low noise and energy-saving advantages)
• A37 Series: A37-FR01KK-10 (compact structure, suitable for small and medium cranes with limited installation space)
• A56 Series: A56-F-R-04-H-K-32397 (high volumetric efficiency, suitable for crane luffing and slewing circuits)

1.2 A3H Series High-Pressure Variable Displacement Piston Pumps

Designed for high-pressure applications, this series has a maximum operating pressure of up to 35 MPa, which is suitable for large-tonnage cranes and heavy-load lifting scenarios. It has the characteristics of high efficiency, high speed and low noise, and is widely used in construction machinery such as cranes.superscript:7 –>

Key Models:

• A3H16, A3H37, A3H56, A3H71 (different displacement options, matching cranes of different tonnages)
• A3H100-FR01KK-10 (large displacement, suitable for 50-100 ton cranes, strong load-bearing capacity)
• A3H180-FR01KK-10 (maximum displacement in the series, suitable for super-large tonnage cranes and heavy-duty working conditions)

1.3 AR Series Compact Piston Pumps

Developed based on the A series, this series is more compact in structure, lighter in weight and lower in noise, suitable for cranes with strict space and noise requirements (such as indoor cranes and small mobile cranes). The maximum operating pressure is 16 MPa.superscript:7 –>

Key Models:

• AR16, AR22 (displacement 16 cc/rev and 22 cc/rev, suitable for small cranes and auxiliary hydraulic circuits of large cranes)

1.4 ARL1 Series Miniature Piston Pumps

As the smallest and lightest piston pump series of YUKEN, it has a 44% weight reduction compared with the AR series, and the noise is as low as 55 dB(A). It is suitable for small cranes, crane auxiliary mechanisms (such as telescopic arms) and other scenarios that require miniaturization and low noise. The maximum operating pressure is 7 MPa.superscript:6 –>

Key Models:

• ARL1-6, ARL1-8, ARL1-12, ARL1-16 (small displacement range 6.2-16.3 cm³/rev, flexible matching)superscript:6 –>

1.5 A3HM Series Mobile Piston Pumps

Engine-driven, high-pressure and high-speed pumps, specially designed to meet the requirements of construction vehicle markets such as cranes. The maximum pressure is 35 MPa, and the maximum shaft speed can reach 3400 r/min, which can achieve large displacement output and is suitable for mobile cranes. A through-drive option is available to install a secondary pump.

2. Vane Pump Series (Mainly for Light-Duty and Auxiliary Circuits)

Vane pumps are characterized by uniform flow, stable operation and low noise, and are suitable for light-duty cranes, crane auxiliary hydraulic circuits (such as control systems, lubrication systems) and scenarios that require low noise.

2.1 HPV2M Series Single Vane Pumps

Explicitly suitable for mobile applications such as cranes, with reasonable structure and good adaptability to the working environment of mobile cranes. It can provide stable flow for crane auxiliary circuits.

2.2 PV2R Series Vane Pumps

This series includes single and double vane pumps, with the advantages of compact structure, low noise and low requirements on oil cleanliness. It is suitable for light-duty cranes and crane control circuits, and can be used in combination with piston pumps to form a hybrid hydraulic system.superscript:5 –>

Key Models:

• PV2R1 Series: PV2R1-6/8/10/12 (single vane pump, small displacement, suitable for crane control circuits)
• PV2R2 Series: PV2R2-33/41/53 (double vane pump, large displacement, suitable for light-duty crane main hydraulic circuits)
• PV2R12-10-59-F-REAA-43 (typical model, widely used in crane auxiliary hydraulic systems)

3. Supplementary Notes

• The models listed above are the most commonly used in crane systems; specific models can be customized according to crane tonnage, working pressure, displacement and other requirements.
• A3H, A70 and other series piston pumps are the preferred choices for large-tonnage cranes and heavy-load operations, while PV2R and ARL1 series are more suitable for light-duty cranes and auxiliary circuits.
• All the above series and models comply with international standards (ISO, SAE) and have good interchangeability and maintenance convenience.superscript:7 –>