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GR-550EX

Product catalog summary

General Data
The Tadano Rough Terrain Crane, model GR-550EX, has a crane capacity of 55,000 kg at 3.0 m. It features a 5-section boom with lengths from 11.1 m to 42.0 m. The crane's dimensions are approximately 13,695 mm in length, 3,513 mm in width, and 3,860 mm in height, with a gross vehicle mass of 43,690 kg. The maximum traveling speed is 20 km/h, and the gradeability is 153% at stall.

Crane Specifications
The crane includes a 5-section telescoping boom with a synchronization system and hydraulic cylinders. The jib is a 2-stage swing-around type with lengths of 9.9 m and 17.7 m. The main and auxiliary winches have variable speeds with a single line pull of 54.9 kN.

Hydraulic System
The hydraulic system consists of 2 variable piston pumps and a tandem gear pump, with multiple control valves and an air-cooled oil cooler. The hydraulic oil tank capacity is approximately 740 liters.

Crane Control and Safety
The crane is controlled by 4 levers and 2 pedals, featuring an automatic moment limiter (AML) for overload warnings. The AML displays operational parameters like load percentage and boom angle.

Outriggers and Counterweight
The crane has hydraulically operated H-type outriggers with extension width detectors. The counterweight is integral with the swing frame, weighing 5,100 kg.

Carrier Specifications
The carrier features a 4x2 or 4x4 drive system with a high-tensile steel frame, powered by a MITSUBISHI 6M60-TLU3B diesel engine with a maximum output of 200 kW. The transmission is electronically controlled with 6 forward and 2 reverse speeds.

Brake and Suspension Systems
The brake system includes air over hydraulic disc brakes and an auxiliary exhaust brake. The suspension is rigid at the front and pivot-mounted at the rear.

Equipment and Options
Standard equipment includes an automatic moment limiter and winch automatic fail-safe brake. Optional equipment includes various hook blocks and a tire inflation kit.

Rated Lifting Capacities
The crane's rated lifting capacities vary based on boom length, load radius, and boom angle, with detailed tables provided for different configurations and outrigger extensions.

Specifications
The document outlines the rated lifting capacities of the crane model GR-550E-1-00214/EU-51 according to EN 13000 standards, with detailed tables for lifting capacities on outriggers and on rubber.

Procedures
1. Ensure the crane is set on a firm, level surface.
2. Consider the mass of hooks, slings, and load handling devices as part of the load.
3. For single top operations, reduce capacities according to auxiliary equipment weight.
4. On rubber lifting with a jib is not permitted, and the maximum boom length is 26.6 m.

Norms and Standards
The lifting capacities adhere to EN 13000 standards, ensuring safety and reliability.

Recommendations
1. During 'Creep' operations, limit travel to 60 m in 30 minutes and maintain speeds under 1.6 km/h.
2. Keep the load close to the ground and avoid abrupt movements.
3. Ensure tires are inflated to the correct pressure: 420 kPa for 22PR and 450 kPa for 28PR.
4. Use the '4-WHEEL(Lo)' drive setting and '1' gear for Creep operations.

Key Data from Tables
The tables provide lifting capacities based on different boom lengths and angles, with specific conditions for outriggers extended to various widths and for operations on rubber.

Critical Information
1. Maximum lifting capacity is limited by the number of parts of line in the Automatic Moment Limiter (AML).
2. The working area without outriggers should be within 2 degrees in front of the chassis.

GR-550EX

GR-550EX

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