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John Deere & Hitachi AT Series Pump/Motor | AT457670, AT428960, AT302661 | Hydraulic Piston Pump
| Model Number | At457670, At302661 |
|---|
Product Description
AT Series Hydraulic Piston Pumps & Motors for John Deere & Hitachi
Product Overview: The AT series axial piston pumps and motors are the operational heart of hydraulic systems in John Deere and Hitachi excavators, loaders, and backhoes. Featured models such as AT457670, AT428960, and AT302661 are specifically optimized for high-intensity digging and heavy-duty environments. Known for their superior volumetric efficiency and extended service life, this series ensures rapid cycle times and robust traction under harsh jobsite conditions. We provide high-performance replacement units that meet 100% OEM specifications to restore your machinery to peak performance.
Key Technical Advantages:
OEM-Standard Compatibility: Manufactured strictly to John Deere and Hitachi factory standards (e.g., Part Nos. 83006780, 83005896), ensuring error-free alignment of mounting holes, splined shafts, and porting for a seamless “drop-in” installation.
High-Response Variable Control: Integrated precision control valves modulate displacement instantaneously based on load changes, significantly improving fuel efficiency and reducing system heat.
Reinforced Heavy-Duty Construction: Internal components (Cylinder Block, Pistons, Valve Plate) undergo specialized hardening to maintain minimal internal leakage even under shock pressures exceeding 350 Bar.
Quiet Operation: Optimized hydrodynamic internal flow passages effectively suppress hydraulic pulsation and noise, enhancing the operator’s cabin experience.
Broad Compatibility: Fits John Deere 135G, 210G, 350G series excavators and equivalent Hitachi platforms.
Detailed Models & Parameters:
Core Series: John Deere / Hitachi AT Series.
Key OEM Part Numbers: AT457670, AT428960, AT302661, 83006780, 83005896.
Product Types: Axial Piston Variable Pump / Travel Motor / Swing Motor.
Pressure Ratings: Rated at 31.5 – 34.3 MPa (4500-5000 PSI).
Target Applications: Crawler excavators, wheel loaders, forestry machinery, and various heavy construction equipment.
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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