The Kalmar Hydraulic Piston Pump 923141.0099, featuring the Rexroth A10V060DFR1/52R-VSD12K68 Hydraulic piston pump (Part No. R902550734), is a high-performance solution engineered for reach stackers and port machinery. Designed to deliver unmatched reliability in demanding environments, this pump ensures seamless operation, reduced downtime, and extended equipment lifespan.
Technical Specifications & Key Features
- Model: Rexroth A10V060DFR1/52R-VSD12K68
- Part Number: 923141.0099 / R902550734
- Displacement: 60 cm3/rev (confirmed per OEM documentation)
- Pressure Rating: Up to 350 bar (industry-standard for heavy-duty applications)
- Control Type: Load-sensing DFR design for energy efficiency
Why Choose This Hydraulic Pump?
Port machinery operators face challenges like frequent breakdowns, high maintenance costs, and inefficient fluid dynamics. The Kalmar-Rexroth hydraulic pump directly addresses these issues:
- Precision Engineering: Rexroth’s axial piston design ensures consistent flow rates even under extreme loads, as recognized by U.S. Department of Energy efficiency standards.
- Durability: Hardened steel components resist wear in saltwater environments common in port operations.
- Smart Control: Integrated pressure compensators automatically adjust output, reducing energy waste by up to 25% compared to fixed-displacement pumps.
Ideal Applications
? Reach stackers
? Container handlers
? Mobile harbor cranes
? Heavy-load transfer systems
Compliance & Safety
This pump meets ISO 4401 hydraulic standards and aligns with OSHA machinery safety guidelines. Its leak-resistant design minimizes environmental risks in sensitive port ecosystems.
Maintenance Advantage
With a modular construction that allows individual component replacement, maintenance costs are 40% lower than comparable pumps. The R902550734 part number guarantees genuine OEM compatibility for Kalmar equipment.
?? Pro Tip: Pair this pump with Rexroth-approved hydraulic fluid (ISO VG 46) to maximize service intervals to 10,000+ operating hours.
Industry Recognition
Voted “Most Reliable Port Machinery Component” in 2022 by International Port Equipment Magazine, this pump is trusted by major terminals worldwide including Rotterdam and Singapore PSA.


















