Rexroth CRADLE BEARINGS FOR A10VO18 487-6263 4876263 hydraulic pump for Caterpillar 301.5 301.6 excavator
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Seller's contacts
+86 199 246...
+86 199 2461 6345
Poland, Tarnowskie Góry
1. Product Overview
The 487-6263 is a high-precision A10VO18 series variable displacement axial piston pump. As the primary hydraulic power source for CAT’s Next Gen mini excavators, it is designed to deliver smooth, responsive control for digging, blade operation, and travel. Its compact architecture is optimized for the limited engine compartment space of the 1.5–1.6 ton class, ensuring maximum power density and fuel efficiency through advanced load-sensing technology.
2. Technical Specifications & Parameters
Pump Series: A10VO18 (Axial Piston, Variable Displacement)
Caterpillar Part Number: 487-6263 / 4876263
Machine Compatibility: Caterpillar (CAT) 301.5, 301.6 (Next Generation Models)
Control Type: Load-Sensing (DFR/DR control) to match hydraulic output exactly to demand.
Operating Pressure: Rated for high-pressure cycles (up to 250–280 bar) to ensure peak breakout force.
Construction: High-strength aluminum or cast iron housing (depending on spec) with hardened steel rotary groups.
Mounting: Standardized flange and spline shaft for 100% direct OEM-spec replacement.
3. Why Partner With a 13-Year Industry Expert?
Technical Authority: We specialize in the A10VO series and the specific flow-sharing requirements of the CAT Next Gen hydraulic systems. Our pumps restore the "factory feel" to your machine's joystick response.
Precision Bench Testing: Every unit is subjected to a rigorous hydraulic test to verify volumetric efficiency, pressure stability, and response times before shipment.
Direct Factory Value: Benefit from our 13-year optimized supply chain, providing high-quality hydraulic solutions at competitive wholesale prices compared to local retail dealers.
Global Logistics Expertise: All pumps are secured in reinforced, shock-proof export packaging. We offer rapid delivery via DHL, FedEx, or UPS, typically arriving in 3 to 7 business days.
4. Critical Installation & Maintenance Protocol
Case Priming (Mandatory): You must fill the pump housing with clean, fresh hydraulic oil through the highest drain port before starting the engine. Running the pump "dry" will cause immediate and irreversible damage to the internal pistons and bearings.
System Decontamination: If the previous pump suffered a mechanical failure, you must flush the hydraulic tank and lines. Residual metallic debris is the primary cause of premature failure in replacement pumps.
Filter Service: Always install a new high-efficiency hydraulic return filter and suction strainer during the pump replacement to protect the precision-lapped surfaces of the new unit.
5. Ordering & Professional Support
Fitment Verification: To ensure 100% accuracy, please provide your machine Serial Number (e.g., Prefix JH7 or LBB) or a photo of your existing pump nameplate.
Instant Quote: Contact us today for up-to-date pricing, tiered quality options (Original New vs. Premium OEM), and current stock status.
Technical Guidance: Our expert team is available 24/7 to provide professional guidance on installation, system flushing, and hydraulic troubleshooting.