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Rexroth A22VG045 Pump | A22VG45, A20VG45 | R902148834 | A22VG045EP1P | Loader Hydraulic Piston Pump
| Model Number | A20VG, A22VG, A22VG045, A20VG045, A22VG045HT, R902148834 A22VG045EP1P0403/40BRNB2S73UB2S5A-S |
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Product Description
Rexroth A22VG045 Series Axial Piston Tandem Variable Pumps
Product Overview: The Rexroth A22VG045 series (Series 40) is a high-performance tandem variable displacement pump specifically engineered for hydrostatic closed-circuit transmissions. Models such as the A22VG045EP1P0403… (Part No. R902148834) feature two independently adjustable pumps on a single drive shaft, providing precise power distribution for the left and right travel drives of skid steer loaders, compact pavers, or harvesters. Utilizing advanced EP (Electric Proportional Control) technology, operators can achieve ultra-smooth starts, steering, and infinitely variable speed control via electronic joysticks, significantly boosting operational efficiency and comfort.
Key Technical Advantages:
Integrated Tandem Design: Delivers dual-channel independent output within a compact housing, significantly saving space in engine compartments and simplifying hydraulic plumbing.
High-Response EP Control: Provides lightning-fast displacement adjustments based on electronic current signals, ensuring smooth acceleration/deceleration and preventing engine stalling under heavy loads.
Heavy-Duty Traction Capability: Rated for continuous operation at 300-350 Bar (5000 PSI) with peak capability up to 400 Bar, guaranteeing long-term reliability in harsh off-road environments.
Built-in Charge Pump & Valves: Features an integrated charge pump and high-pressure relief valves to maintain circuit stability and cooling flow during frequent direction changes.
100% OEM Standard Compatibility: Manufactured to strict Rexroth Series 40 specifications, ensuring mounting flanges and splined shafts (e.g., S7 spec) align perfectly for a seamless “drop-in” replacement.
Detailed Models & Parameters:
Core Series: Rexroth A22VG / A20VG Series 40.
Full Model Keywords: A22VG045EP1P0403/40BRNB2S73UB2S5A-S.
Key Part Number: R902148834.
Displacement: 45.0 cm³/rev (per tandem section).
Pressure Ratings: Rated at 300-350 Bar (4350-5075 PSI) continuous; Peak capability up to 400 Bar.
Control Type: EP1P (Electric Proportional Control with Pressure Cut-off).
Target Applications: Skid Steer Loaders, Compact Pavers, Forestry equipment drive systems, and Hydrostatic vehicle chassis.
Company Profile
We adhere to international quality management standards and provide a 1-year warranty including maintenance and replacement. We have established long-term strategic cooperation with many well-known brands and continuously launch new products to meet market development. Flexible payment terms are supported, including USD settlement, Alipay, Western Union and T/T.
Relying on our standardized production base and professional foreign trade team, we provide competitive factory direct prices, efficient logistics channels and punctual delivery. FJZY Hydraulic is devoted to being your trustworthy long-term partner in hydraulic and agricultural machinery fields.
Our Advantages
Fast & Reliable Delivery
Extensive Partnerships
We collaborate with numerous factories, offering a wide range of product selections and providing you with instant quote responses
Strict Quality Assurance
Quality first is our principle. We provide a one-year warranty service, ensuring you receive top-tier quality products with confidence.
Competitive Pricing
Through efficient production and close cooperation, we offer highly competitive prices, guaranteeing a cost-effective experience for you.
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