AA20VO AL A20VO Hydraulic Pump for 210249 3748833 20/950225 4241408 11005115 15343172 R4241016 Excavator Main Pump
AA20VO AL A20VO Hydraulic Pump for 210249 3748833 20/950225 4241408 11005115 15343172 R4241016 Excavator Main Pump
- Product Details
AA20VO & A20VO AL Hydraulic Pump: The High-Performance Heart of Modern Excavators
In the demanding world of excavation, where productivity is measured in cubic meters moved per hour, the Excavator Main Pump is the undisputed heart of the hydraulic system. It must deliver immense, controllable power on demand while withstanding relentless pressure cycles. The AA20VO series and its robust AL A20VO hydraulic pump variant are engineered to meet this challenge, offering exceptional power density and intelligence for today’s sophisticated machinery. As a professional manufacturer, www.baolilai-pump.com supplies these premium pump solutions compatible with leading OEM standards. Access detailed performance data and specifications via www.baolilai-pump.com/contact_us/.
Technical Specifications: AA20VO / AL A20VO Series
| Parameter | Value Range |
|---|---|
| Displacement Range | 60 – 520 cm³/rev |
| Operating Pressure | 250 – 400 bar |
| Maximum Speed | 1450 – 3200 rpm |
Built for Extreme Duty with Unmatched Durability
Supported by a comprehensive one-year warranty, the ALA20VO hydraulic pump is synonymous with resilience. Its design focuses on superior resistance to extreme pressure shocks, contamination, and harsh environmental conditions. In applications from mining to demolition, hydraulic systems face abrasive particulates and severe thermal loads. The pump’s robust construction—featuring hardened components and advanced sealing, as seen in models like 210249 and 3748833—ensures reliable operation where others fail. This durability directly translates to reduced unplanned downtime and lower total cost of ownership, making it a cornerstone for critical Caterpillar (caterpillar.com) and Liebherr (liebherr.com) equipment.
Powering the Giants of Industry Across Premier Brands
The versatility and intelligence of the AA20VO platform make it the preferred main pump for a wide array of the world’s most powerful machines.
- Mining & Heavy Earthmoving: For ultra-class machines like Terex (terex.com) and Letourneau (letourneau-inc.com) front-end loaders, the pump’s high-pressure capability (up to 400 bar) and large displacement options are essential. It provides the precise, high-volume flow needed for massive breakout forces, with configurations often cross-referenced to part numbers like 20/950225 and 4241408.
- Advanced Construction Excavators: Beyond standard models, the pump’s load-sensing and pressure-limiting capabilities optimize fuel efficiency and control in sophisticated Liebherr hydraulic systems. This intelligence is key for complex grading and lifting tasks.
- Specialized and Agricultural Machinery: The platform’s adaptability extends to specialized vehicles. Manufacturers like C Argotec (cargotec.com) utilize similar hydraulic technology in demanding material handling equipment. Furthermore, large-scale agricultural machinery relies on such robust pumps for powerful implement functions. This cross-industry application is evidenced by the pump’s presence in global parts systems under various codes, including 11005115, 15343172, and R4241016.
FAQ (Frequently Asked Questions)
Q1: What is the key advantage of the AL A20VO pump model for a main pump application?
A1: The “AL” designation typically indicates a version built with enhanced materials and design features for longer life in severe, high-load applications. It offers improved resistance to wear and pressure shocks, which is critical for the continuous, heavy-duty cycles of a mining or large excavator main pump.
Q2: How does this pump’s design contribute to fuel efficiency in modern excavators?
A2: As a variable displacement axial piston pump, it often incorporates load-sensing control. This means it automatically adjusts its output flow and pressure to precisely match the system’s instantaneous demand, minimizing energy waste and reducing fuel consumption compared to fixed-displacement systems.
Q3: Can the pump handle the constant pressure spikes and abrasive contamination common in mining?
A3: Yes. Its robust construction is designed for exactly these conditions. The hardened piston and slipper assemblies, along with high-grade filtration compatibility, are engineered to withstand the harsh operating environment, protecting the pump’s internal components from premature failure.
Q4: We need a replacement main pump for our fleet, referenced under part number R4241016. Can you supply it?
A4: Absolutely. We specialize in providing high-quality, compatible hydraulic pump solutions for global heavy equipment brands. For precise technical specifications and compatibility verification for parts like R4241016 or 11005115, please contact our engineering team or visit www.baolilai-pump.com/contact_us/.
Product Model
| Product Model No. | Application equipment brands | Application equipment No. |
| AL A20V O 60 DFR1/10R-VSD24K52 -SO200 AV A20VO60 | Bell | 210249 |
| AL A20V O 60 DFR /10R-VSD24K68 -SO969 AV A20VO60 | C Argotec | 923141.0052 |
| AL A20V O 60 DFR1/10R-VSD24K68 AV A20VO60 | C Argotec | 923141.0042 |
| AL A20VO 520 LR3DN /10L-VZH26K99 -S1864 SV A20VO520 | Caterpillar | 373-0644 RH340B main pump |
| AL A20VO 520 LR3DN /10L-VZH26K99 -S2065 AV A20VO520 | Caterpillar | 3748833 |
| A20VG045ET1PR1M0/11ARNB2XX3FB2S4A-S SV A20VG45 | CNH | 84295013 CTLC232 |
| A20VO95DRS/10R-NZG24K07 SV A20VO95 | Deilmann-Haniel/ Abi | 93108/30223635 R902233731 |
| AL A20V O 60 DFR1/10R-VSD24K01 -S1296 AV A20VO60 | JCB | 20/950225 loader 426 |
| AL A20V O 60 DFR1/10R-VSD24K01 -S2279 AV A20VO60 | JCB | 20/950225 |
| AA20VO95DRG/10L-NSD74N00 SV A20VO95 | Letourneau | 4241016-001 |
| AA20VO95DRG/10R-VSD74N00 AV A20VO95 | Letourneau | 4286716 |
| AA20VO95DRS/10R-VSD74N00-ES SV A20VO95 | Letourneau | 4241408 |
| AL A20VO 520 LR3DN /10L-VZH26K00 -S1528 AE A20VO520 | Liebherr | 10113397 R994 |
| AL A20VO 520 LR3DN /10L-VZH26K00 -S1858 AE A20VO520 | Liebherr | 11005119 excavator 9250,9350,9400 |
| AL A20VO 520 LR3DN /10L-VZH26K00 -S1861 SV A20VO520 | Liebherr | 11005115 excavator 9250 |
| AL A20VO 520 LR3DN /10L-VZH26K00 -S2096 SV A20VO520 | Liebherr | 11347382 excavator 9800 |
| AL A20VO 520 LR3DN /10L-VZH26K00 -S2106 AV A20VO520 | Liebherr | 11347379A excavator 9250,9350,9400 |
| AL A20VO 520 LR3DN /10L-VZH26K00 -S2154 AN A20VO520 | Liebherr | 11485276A excavator 9350/9400 |
| AA20VG45DGM2/10R-NTC66F023D-S SV A20VG45 | Sanward | Model120 |
| A20VG45DE3/10R-NTC16K023E-ES SV A20VG45 | TBHT echnik,s.r.o. | Locust 752 |
| A A20V O 60 DFR1 /10R-VSD24K01 -S2674 AV A20VO60 | Terex | 15343172 |
| AL A20V O 60 DFR1/10R-VSD24K01 -S2919 AV A20VO60 | Terex | R902480087 |
| AA20VO95DRG/10L-VSDXXN00-S SV A20VO95 | Womack( Letourneau) | R4241016 loader L-2350 |
| AA20VO95DRS/10R-VSDXXN00-S SV A20VO95 | Womack( Letourneau) | R4241408 loader L-2350 |
Specification








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