Look at the top row or the header of the columns to find the length of the boom you intend to use.
In an age of digital sensors and computerized cabs, the paper load chart remains the final authority. Computers can fail, sensors can drift, but the physics printed on that laminated sheet do not change.
The chart lists the . This is the total weight the crane can handle. However, the crane has to lift its own equipment before it lifts your load. crane load chart
The angle between the horizontal ground and the boom. Higher angles generally allow for heavier lifts. How to Read a Standard Load Chart
This text is written in professional technical English, suitable for training, manuals, or operational guidelines. Look at the top row or the header
A load chart assumes "perfect" conditions. In the real world, several factors require you to reduce the weight you are lifting:
Read the actual extended boom length (e.g., 50 ft / 15 m). → Follow the column or row for that length. The chart lists the
To the uninitiated, a load chart looks like a chaotic spreadsheet of numbers and grid lines. To a crane operator or a lift director, it is a life-saving map. Here is an interesting look at why this document is the most important piece of paper on the job site.
A crane is essentially a giant teeter-totter.
50-ton hydraulic truck crane Setup: Outriggers fully extended, on firm ground Boom length: 80 ft (24.4 m) Working radius: 40 ft (12.2 m) Rigging weight: 800 lbs (hook + slings + shackle)