A fork-lift truck is a mobile handling equipment for in-plant transport. The first fork-lift trucks were manufactured by the screw manufacturer Eugene Clark in the year 1917. Fork-lift trucks are in particular appropriate for the transport of pallets. Substantial element of the fork-lift truck is its stroke unit, which consists of a Hubmast and a fork carrier. The fork carrier carries two steel tines adjustable in their distance, which can be moved mostly by hydraulics vertically and in special cases also horizontal. One calls the two tines fork. They gave its name to the fork-lift truck.

For special applications a fork-lift truck can be equipped with so-called attachments. Usual attachments are beside Seitenschieber and tine verse plates also Papierollen and barrel clips. With the use of attachments the remainder load-carrying capacity usually reduces. This reduction is caused by the enlargement of the load emphasis distance. By means of a remainder load-carrying capacity diagram attached firmly at the fork-lift truck those can be read off load maximally which can be lifted as function of the vertical lift.

Fork-lift trucks are steered by an operator. The drive of a fork-lift truck can take place burn-motor or by electric motors. With the burn-motor drives can be partitioned propulsion gas, Diesel and natural gas drives; further can here between hydrodynamic drives, also as transducer designation, and hydrostatic drives to be differentiated. Drives by electric motors can be divided into direct current and three-phase alternating current drives. Fork-lift trucks use a tail steering element with very large steering angle. Usually the turning circle is about as large as the vehicle length. Fork-lift trucks with three or four wheels are built. During a execution is the single wheel in the back.

The most common stroke loads lie between 1 t and 8 t. Vertical lifts up to 6 m are usual. There is however also far larger vehicles available.

A particularly impressive variant of the counterweight stackers is the area stacker, also large tire stacker mentioned. Here cross-country capability is the center of attention to diesel engines by high clearance, low-pressure tire, high traction, extremely durable building method with chassis, stroke stand and steering axle, strong motorizing, usually, with top models hydrostatic transmission and high stability with good gradeability. A well-known representative of this kind of stacker is e.g. the Ranger area stacker from Austria. Partially these stackers have all-wheel drive. Area stacker also nonly-operational begun in heavy terrain, e.g. in forestry, wood industry, mines, recycling industry, heavy industry, in the equipment construction and in concrete works, brickyards.

A further special variant is the side stacker. The load is set off with the laterally arranged, extendable stroke stand aufgenommem and for transport on the table. Side stackers are meant for in-plant transport of particularly long loads. Beside the classical diesel engine with the side stacker today also ever more is inserted the electric drive.

See also

• Wheeled loader
• Carl von Linde, company lime tree AG
• Stacker driver Klaus (film)
• Friedrich Jungheinrich, founder company Jungheinrich fork-lift truck (1899-1968)

Related links

• Fork-lift truck - stacker encyclopedia
• Kalmar of floors conveyance of selling GmbH
• ISFORT - Fork-lift trucks and corridor promotion vehicles rent, buy

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