Rubber Tyre Gantry Crane (RTG) technical description

Product catalog summary

Overview
The document provides a technical description of the Liebherr Rubber Tyre Gantry Crane (RTG), detailing its dimensions, travel system, lifting capacity, and power specifications.

Dimensions and Design Parameters

RTG Model Range: Includes models with AC Drive, 4 wheels per corner, capable of stacking 1 over 5 high, and accommodating 7 containers wide plus a truck lane.
Classification: F.E.M. U7-Q2-A7 (Singlelift).
Wind Speed: In-service wind speed is 72 km/h, and out-of-service wind speed is 150 km/h.
Maximum Yard Slope: 1:100 in either direction.
Self Weight: Ranges from 116t to 138t depending on the model.
Gantry Span: Varies from 20.8m to 26.5m depending on the width.
Lifting Heights: Ranges from 12.3m to 21.0m depending on the stacking configuration.

Gantry Travel System

Features the Liebherr Anti-Sway System with eight rope reeving, minimizing spreader positioning times and enhancing productivity by 30-40%.
Direct driven, no chain drive, with hydraulically locked wheels.
Motors: 4 motors on 16 wheeler and 2 motors on 8 wheeler, reducing tyre wear.

Lifting Capacity and Working Speeds

Single Lift Capacity: 40.6t to 50t.
Twin Lift Capacity (optional): 50t to 65t.
Hoisting Speeds: 56m/min with no load, 28m/min with rated load.
Trolley and Gantry Travel Speeds: Up to 130m/min without load and 70m/min with rated load.

Power and Drive System

Power Rating: 405kW with engine options from Scania, Cummins, or Volvo.
Alternator Type: Marelli or Stamford.
Fuel Tank Capacity: 1000l to 1500l.
Operating Voltage/Frequency: 480V/60Hz.
Generator Set Rating: 400kVA continuous.
Drive System: Includes hoist, trolley, and gantry travel units with specific kW ratings.

Additional Features

Liebherr Reeving System for sway prevention.
Electrical and/or hydraulic steering options.
Robust structure optimized for automation with optional DGPS auto steering.
Comprehensive service network and training provided by Liebherr.

Catalog excerpts

Rubber Tyre Gantry Crane (RTG) technical description-1

Technical Description Liebherr Rubber Tyre Gantry Crane (RTG)

Open the catalog to page 1

Rubber Tyre Gantry Crane (RTG) technical description-2

RTG Model Designation (example) 7 / 5 / 4 / WS AC Drive 4 wheels per corner 1 over 5 high stacking 7 containers wide + truck lane RTG Model Range* A Typical Gantry Span C Travel Wheel Gauge D Equaliser Length E Length over travel guards F Trolley travel G Trolley end approach H Trolley end approach 20.8m for 5 wide + truck lane 23.6m for 6 wide + truck lane 26.5m for 7 wide + truck lane 12.3m for 1 over 3 15.2m for 1 over 4 18.1m for 1 over 5 21.0m for 1 over 6 9.2m 2.5m 13.3m for 4 wheels per corner 13.7m for 2 wheels per corner Gantry span minus end approach 2.40m 2.25m * other features and...

Open the catalog to page 2

Rubber Tyre Gantry Crane (RTG) technical description-3

Liebherr Anti - Sway System Eight Rope Reeving Minimal spreader positioning times Anti - Sway: Trolley & Travel direction Anti - Skew Trim and Skew spreader positioning No Additional Ropes or Devices necessary No head block - Reduced rope load and tare weight Lower energy consumption All Electrical Spreader - Less maintenance Increase in Productivity of between 30 - 40% when compared to alternative designs. Gantry Travel System Features Direct Driven, No Chain Drive Gantry travel with load Wheels hydraulically locked Motors 4 motors on 16 wheeler Reduced tyre wear with differential axles allowing...

Open the catalog to page 3

Rubber Tyre Gantry Crane (RTG) technical description-4

Liebherr Rubber Tyre Gantry Crane Liebherr Reeving System: Sway Prevention, NOT Sway Correction Electrical (Gantry Align) Steering and/or Active Hydraulic Steering Rigid Robust Structure - Optimum for Automation (i.e. Structural, Mechanical and Electrical Design, Production, Commissioning and Service) Lifting Capacity Single Lift Twin Lift (optional) Working Speeds * Hoisting with No Load Hoisting with Rated Load Trolley Travel (with & without load) Gantry Travel (without load) Gantry Travel (with rated load) Stack Transfer (without load) * Alternative Speeds Also Available Wheel Dimensions &...

Open the catalog to page 4