Danfoss Sauer ERL130 Hydraulic Axial Hydraulic Piston Pump for Excavators Drilling Rigs

Product Overview:
The ERL130 is a high-performance variable displacement axial piston pump from the renowned Danfoss (Sauer-Danfoss) 45 Series . Specifically engineered for open circuit hydraulic systems, this pump delivers exceptional power density, reliable operation, and precise control under demanding conditions . With a displacement of 130 cm³/rev and robust cast iron construction, it provides stepless flow adjustment for a wide range of mobile and industrial applications requiring high efficiency and durability . This unit is a direct, high-quality replacement solution for original Danfoss equipment, with material numbers including 83008234, 83001374, and 83002607 .

Technical Specifications:

• Model: ERL130 (45 Series)

• Type: Swashplate design, variable axial piston pump

• Displacement: 130 cm³/rev 

• Nominal Pressure: 280 bar (continuous operation) 

• Maximum Pressure: 310 bar (peak) 

• Maximum Speed: 2200 rpm 

• Control Type: LS (Load Sensing / Pressure compensated) 

• Factory Setting: PC 280 bar, LS Stand-By 20 bar 

• Design: For open circuit hydraulic systems

• Mounting Flange: SAE-C 4-Bolt 

• Port Position: Radial

• Rotation: Left hand - Counter-clockwise (view on drive shaft) 

• Shaft Style Options: Splined shaft ANSI B92.1 (t14 12/24dp) or straight keyed 1.5 in 

• Material: Robust cast iron construction 

• Temperature Range: -20°C to +90°C

• Auxiliary Mount: Without (standard configuration) 

Core Features:

• Robust Cast Iron Construction: The high-strength cast iron body provides exceptional durability, corrosion resistance, and load-bearing capacity in high-stress industrial applications - outperforming aluminum-bodied pumps in demanding environments .

• 45 Series Proven Design: Part of the Danfoss 45 Series, a comprehensive line of high-performance axial variable piston pumps designed to exceed the performance requirements of the mobile equipment market .

• LS (Load Sensing) Control: Advanced load sensing control automatically adjusts pump displacement based on system demand, providing precise flow matching to reduce energy consumption and heat generation while maintaining optimal pressure .

• Stepless Variable Displacement: Output flow is infinitely variable between zero and maximum, enabling precise flow matching to enhance system efficiency compared to fixed-displacement pumps .

• High-Pressure Capability: Delivers up to 310 bar system pressure, ensuring reliable operation under extreme loads in demanding applications .

• Excellent Suction Characteristics: Optimized design ensures superior self-priming performance even in demanding conditions and at higher speeds.

• Durability: Designed for continuous 24/7 operation in heavy-duty commercial environments, with robust bearing systems ensuring long service life .

• SAE Standard Mounting: SAE-C 4-bolt mounting flange and radial port positions ensure compatibility with industry-standard hydraulic systems .

• Interchangeable Components: Modular design supports interchangeability with industry-standard components for easy maintenance and upgrades .

Main Applications (Suitable Equipment):
The ERL130 is widely recognized as a versatile and reliable hydraulic power unit for medium to heavy-duty applications. It is extensively used in:

1. Excavators & Construction Machinery:

• Main hydraulic pump for small to medium excavators 

• Compact excavators and mini excavators 

• Wheel loaders and backhoe loaders 

• Construction equipment for heavy-duty applications 

2. Drilling & Foundation Equipment:

• Drilling rigs and pipeline equipment 

• Rotary drilling rigs

• Piling rigs and foundation machinery

3. Material Handling Equipment:

• Forklifts and material handling vehicles 

• Telehandlers and rough-terrain forklifts

• Cranes and lifting equipment 

4. Agricultural Machinery:

• Agricultural equipment and implements 

• Tractors and harvesters

• Sprayers and fertilizer applicators

5. Industrial Applications:

• Industrial machinery and hydraulic power units 

• Conveyor systems and material handling

• Industrial presses and heavy equipment

6. Specialty Applications:

• Mining equipment and heavy industrial machinery 

• Municipal vehicles and sweepers

• Marine hydraulics and offshore equipment

• Oil and gas field equipment