2 hours ago
Introduction to the Link-Belt 2800
The Link-Belt 2800 is a heavy-duty lattice crawler crane and versatile hydraulic excavator model used across large-scale construction, infrastructure, and industrial projects. Renowned for its robust design, precise controls, and powerful capabilities, this machine offers reliability and productivity in demanding applications. This guide covers its main specifications, key system features, maintenance tips, operational advice, and real-world insights to support effective use and servicing.
Core Specifications of the Link-Belt 2800
Key Functional Components and Systems
Maintenance Tips and Operational Recommendations
Real-World Use Cases and Insights
Terminology Explained
Summary
The Link-Belt 2800 is a powerful lattice crawler crane and hydraulic excavator, combining advanced Cummins engine performance with a sophisticated hydraulic system for versatile heavy lifting and site mobility. Its modular counterweights, extensive boom options, and telemetry-enabled controls make it well-suited for demanding lifting tasks and complex project environments.
Operators benefit from smooth controls, reliable hydraulic power, and adaptable track systems, while technicians appreciate the design features that facilitate maintenance and real-time diagnostics. Proper upkeep, particularly in hydraulic and track components, ensures long service life and machine readiness.
This comprehensive understanding of the Link-Belt 2800 equips users and maintenance teams with the knowledge to maximize performance, safety, and operational efficiency on varied heavy construction sites.
The Link-Belt 2800 is a heavy-duty lattice crawler crane and versatile hydraulic excavator model used across large-scale construction, infrastructure, and industrial projects. Renowned for its robust design, precise controls, and powerful capabilities, this machine offers reliability and productivity in demanding applications. This guide covers its main specifications, key system features, maintenance tips, operational advice, and real-world insights to support effective use and servicing.
Core Specifications of the Link-Belt 2800
- Crane Capacity and Rating:
- Base lifting capacity around 303 USt (approximately 275 metric tons) at a radius of 14.1 ft (4.3 meters).
- Boom lengths range from 50 ft to 300 ft (15.3 m to 91.5 m), accommodating various lift heights and outreach needs.
- Base lifting capacity around 303 USt (approximately 275 metric tons) at a radius of 14.1 ft (4.3 meters).
- Engine:
- Equipped with a Cummins QSL9 diesel engine compliant with EU Tier III A emission standards.
- Delivers approximately 364 horsepower (272 kW), offering sufficient power for continuous heavy lifting and mobility.
- Equipped with a Cummins QSL9 diesel engine compliant with EU Tier III A emission standards.
- Weight and Dimensions:
- Operating weight approximately 254 USt (231 metric tons).
- Ground bearing pressure rated at 18.7 psi (129 kPa), reflecting its weight distribution and suitability for various groundwork conditions.
- Operating weight approximately 254 USt (231 metric tons).
- Movement Capabilities:
- Swing speed approximately 1.5 revolutions per minute (rpm).
- Travel speed up to 0.6 mph (1 km/h) for positioning on site.
- Swing speed approximately 1.5 revolutions per minute (rpm).
- Hydraulic System:
- The crane features multiple hydraulic pumps including variable displacement for hoist drums, boom functions, and travel drives.
- Gear pumps power other functions such as swing, jacks, cabin tilt, and hydraulic oil cooling fans.
- Counterbalance valves on hoist motors provide safe load lowering and prevent accidental drops.
- The crane features multiple hydraulic pumps including variable displacement for hoist drums, boom functions, and travel drives.
- Additional Features:
- Advanced total crane operating system ("Link-Belt Pulse") for operator interface, displaying real-time data like load, boom angle, radius, ground pressure, and alarms.
- Telemetry capabilities enable cellular-based monitoring of location, operational parameters, maintenance status, and diagnostics.
- Advanced total crane operating system ("Link-Belt Pulse") for operator interface, displaying real-time data like load, boom angle, radius, ground pressure, and alarms.
Key Functional Components and Systems
- Hydraulic Pumps and Motors:
- Axial piston variable displacement pumps for primary crane motions allow precise, responsive control.
- Secondary gear pumps manage auxiliary functions, enabling smooth swing, counterweight removal, and travel operations.
- Axial piston variable displacement pumps for primary crane motions allow precise, responsive control.
- Swing System:
- Dual swing drives use bi-directional hydraulic motors coupled with planetary reducers for fluid 360-degree continuous rotation.
- Electric over hydraulic multi-disc swing brakes provide safe holding and control, operable via foot pedal or cab switch.
- Dual swing drives use bi-directional hydraulic motors coupled with planetary reducers for fluid 360-degree continuous rotation.
- Counterweight Configuration:
- Modular six-piece counterweights including large “A,” “B,” and “C” sections to optimize balance and lifting capacity.
- Modular six-piece counterweights including large “A,” “B,” and “C” sections to optimize balance and lifting capacity.
- Track and Travel:
- Precise welded box construction frame and extendable/retractable axle beams controlled hydraulically for stability.
- Steel welded side frames equipped with sealed idler and drive planatories ensure durability.
- Armored, heat-treated grouser track shoes with options for flat steel or rubber pads accommodate different terrain.
- Precise welded box construction frame and extendable/retractable axle beams controlled hydraulically for stability.
- Jack System:
- Four independently controllable hydraulic cylinders mounted on swing-out beams allow safe, level jacking for crane setup on uneven or sloped ground.
- Jack operations can be controlled remotely or from carbody-mounted controls.
- Four independently controllable hydraulic cylinders mounted on swing-out beams allow safe, level jacking for crane setup on uneven or sloped ground.
Maintenance Tips and Operational Recommendations
- Regular inspection and replacement of hydraulic filters and fluids maintain system responsiveness and prevent contamination-related issues.
- Monitor the condition of counterweights and their mounting hardware for secure fit and integrity.
- Hydraulic pump and motor maintenance should include checking pressure relief valves and counterbalance valves for proper function.
- Keep track shoe conditions under review, replacing worn or damaged pads to ensure stable ground contact.
- Use manufacturer-specified lubricants and torque specifications during service to extend component life and prevent damage.
Real-World Use Cases and Insights
- A well-known contractor cited the Link-Belt 2800’s advanced telemetry system as invaluable for fleet management, helping to schedule maintenance before failures occur and optimizing uptime.
- Operators complimented the machine’s smooth swing rotation and precise hydraulic controls, which reduced operator fatigue and improved placement precision on complex sites.
- In challenging ground conditions, the machine’s wide tracks and low ground bearing pressure provided excellent stability and minimized subgrade damage—crucial for urban and environmentally sensitive projects.
Terminology Explained
- Lattice Crawler Crane: A crane with a lattice boom structure mounted on crawler tracks for mobility and stability.
- Hoist Drum: Winch drum used to raise and lower loads via wire rope.
- Counterbalance Valve: Hydraulic valve preventing load drop when pressure is lost, enhancing safety.
- Extendable Axle Beam: Hydraulic mechanism allowing adjustment of axle width for stability.
- Swing Brake: Mechanical/electro-hydraulic device to stop or hold rotation of the crane upper structure.
- Grouser Shoes: Track shoes with protrusions that provide traction on soft or uneven ground.
- Telemetry: Remote monitoring technology that transmits machine data for diagnostics and maintenance.
Summary
The Link-Belt 2800 is a powerful lattice crawler crane and hydraulic excavator, combining advanced Cummins engine performance with a sophisticated hydraulic system for versatile heavy lifting and site mobility. Its modular counterweights, extensive boom options, and telemetry-enabled controls make it well-suited for demanding lifting tasks and complex project environments.
Operators benefit from smooth controls, reliable hydraulic power, and adaptable track systems, while technicians appreciate the design features that facilitate maintenance and real-time diagnostics. Proper upkeep, particularly in hydraulic and track components, ensures long service life and machine readiness.
This comprehensive understanding of the Link-Belt 2800 equips users and maintenance teams with the knowledge to maximize performance, safety, and operational efficiency on varied heavy construction sites.
