Masts can generally be divided into four types. Based on the number of sections or stages in the mast, you can find standard, two-stage, three-stage and four-stage masts. Before we dive deeper into these different types, it’s important to understand a few basic terms first.
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The Maximum Fork Height (MFH) is the maximum height your forks will reach when all the sections of the mast are fully extended.
The Overall Raised Height (OARH) and Overall Lowered Height (OALH) indicate the height of the top of the mast when the mast is either fully extended or fully collapsed.
Free Lift (FL) or Full Free Lift (FFL) is the ability to lift loads to a certain height without extending the collapsed mast sections. This is achieved by a single upright primary cylinder, also called the free-lift cylinder. The height that can be reached in free-lift is called the Free Fork Height (FFH). Free-lift masts usually have a smaller overall lowered height compared to standard ones. This is particularly important when operating in confined spaces, such as areas with restricted overhead clearance.
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A container mast on the other hand is specifically designed to operate in confined spaces such as shipping containers. It’s especially useful in situations where height restrictions might otherwise prevent a standard forklift from operating efficiently.
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Free Viewmast is a free-lift mast with two free-lift cylinders on the side instead of a single central cylinder. In regular free-lift situations, the free-lift cylinder is fitted vertically, halfway between the left and right sections. This can obstruct your view when handling loads. By using two cylinders on the side instead, the front view is clear and gives better visibility.
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