A type of crane

A sidelifter lifting a container on site

A sidelifter is a specialised vehicle or semi-trailer used to hoist and transport ISO standard intermodal containers over longer distances.

Sidelifter are known to operate in the following countries or regions. Africa, Asia-Pacific, Europe, Middle East and North and South America.


Travelling by road

The sidelifter loads and unloads containers via a pair of hydraulic powered cranes mounted at each end of the vehicle chassis. The cranes are designed to lift containers from the ground, from other vehicles including rolling stock, from railway wagons and directly from stacks on docks or aboard container ships. A standard sidelifter is also able to stack a container at a two containers' height on the ground. If the sidelifter chassis is of 40' length or more, the cranes of the sidelifter can be shifted hydraulically along the sidelifter chassis to be able to pick up either one 20', one 40', or two 20' ISO containers at a time.

As the Sidelifter is suitable for travelling on general roads for large distances and able to quickly load and unload without additional equipment, it is often used for delivering and picking up shipping containers from within a commercial district. Although these can self load, they are more often loaded or unloaded at the port with a straddle carrier or reach stacker.

Alternative names

This equipment has been referred to with a myriad of alternate names. Some of these are:


Klaus designed Seitenlader in 1968

The sidelifter was invented during the 1960s by Kaspar Klaus who was granted a number of patents for the equipment manufactured by Klaus Transport-systeme GmbH of Germany,[1] with a focus on military operations.[2] The Klaus Sidelifters were heavy and not cost effective for commercial use. Steelbro in New Zealand bought the Klaus Transport business and further developed the Sidelifter,[3] resulting in reduced tare weight and allowing freight companies to legally carry higher payload. It was also developed by Hammar Maskin AB in Sweden.[4] It has since become a commonly used vehicle in intermodal facilities worldwide.[5] The principal alternative to the costly machinery of the sidelifter is the use of swap body containers, which are too light to be stacked but can be unloaded from a truck by means of foldable legs.


Sidelifters generally have the following attributes:

Sidelifter machines were designed to lift a maximum of 45 tonnes (50 short tons; 44 long tons). More recent designs lift 47 tonnes though smaller machines are also available where a lighter tare weight is important.

In addition to controlling the raising and lowering of the cranes, the operator can sometimes tilt the chassis using the stabilising legs which provides a limited ability to operate on non-level ground.

Some sidelifters have a telescopic chassis, sometimes called trombone chassis, allowing the unit to expand and contract in order to accommodate 20 ft, 40 ft or even 45 ft containers. These Trombone units are specially suited for small secondary roads where cornering is quite difficult with 40 ft trailers.


A sidelifter is rated for ISO containers with a specified maximum total weight and to a maximum distance from the sidelifter chassis (also called maximum reach or maximum radius). This information is located on a nameplate provided by the manufacturer, and loads must not exceed these specifications. Sidelifter units have been known to overturn like any other crane, especially when lifting weights that are heavier than the maximum allowed weight or when operating at a radius that is bigger than the maximum allowed radius. Sidelifter units must always be operated only by trained personnel. Safety devices such as Electronic Stability System that prevent the sidelifter from rolling over may be sometimes required by local legislation. Safetywear for both the operator and the assistants are as follows: top and bottom reflector gear including a green or orange reflector vest and hard hat. In some cases safety goggles have to be worn due to extreme weather conditions and debris that can fall from containers.


Austrian Federal Railways uses trucks called Mobiler, that can slide a large container straight on or off a railcar.

A Rubber tyred gantry crane is another device for loading containers on to trucks (as well as around the port) although these are not road-going so must be in place at every destination that containers are to be delivered or collected at. As well a general purpose tilt deck truck (also called a tilt tray, rollback or a slide) equipped with a winch can load/unload a 20-foot container from the rear of the vehicle.


  1. "1968 - the patented Klaus-Seitenlader". KLAUS Multiparking GmbH. Retrieved 2013-09-08.
  2. "Container transport (Bw) - Transportation vehicles -". Andreas Richter, c / o UNITED-FUN, Invalidenstr. 9, D-31785 Hameln (Germany). Retrieved 2013-09-10.
  3. "Steelbro buys Klaus". WorldCargo News, September 2001, p2. WorldCargo News. Retrieved 2013-09-07.
  4. Woxenius, Johan. "DEVELOPMENT OF SMALL-SCALE INTERMODAL FREIGHT TRANSPORTATION IN A SYSTEMS CONTEXT" (PDF). Doctoral thesis. Department of Transportation and Logistics, Chalmers University of Technology. Retrieved 2013-09-07.

External links

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