


I. Background for the Trainer:


•The concept of load center is a crucial part of
understanding the capacity of a forklift.
Make sure you, the trainer, understand this concept before trying to
explain it in a class.


•Most forklifts are rated for a 24inch load
center. The examples used below are
based on this assumption. If your
forklifts are rated differently, just change the numbers used in the
examples.


•Once you have explained how the load center
affects capacity, use some examples from your facility to drive the point
home. For example: If you move around crates that are 60 inches
by 80 inches, discuss the load center distances (30" or 40") and
how that reduces your lift truck’s capacity.


II. Speaker’s Notes:


•The load center is the distance from the
carriage, or vertical face of the forks, to the center of gravity of the
load. For example, a pallet full of
consistent material (e.g., bricks) usually measures about 4 feet by 4
feet. Therefore, the load center will
be about 24 inches.


•If your forklift is rated for 5,000 pounds at
24 inches, it can safely lift a 5,000pounds load as long as the center of
gravity is 24 inches or less from the front face of the forks.


•If the load center is greater than 24 inches,
it will reduce the lift truck’s capacity.
Each forklift is different; however, it is safe to assume that for
every additional inch beyond 24 inches, the capacity will be reduced by 100
pounds


•Try to lift a load that is 80 inches long. The load center is 40 inches, or 16 inches
greater than the rated load center of 24 inches. If 100 pounds capacity is lost per inch of
extra load center, then the capacity of the lift truck is reduced by 1,600
pounds
