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Liebherr with new LTM1150-5.3

Liebherr Debut Ltm1130 5.1

LTM 1130-5.1 has been a popular model for Liebherr, which they have manufactured around 1,500 units. Liebherr has now unveiled the successor to the popular model – LTM 1150-5.3.

With a maximum lifting capacity of 150t and a 66m telescopic boom, it is the perfect addition to Liebherr’s crane range below the 180t LTM 1160-5.2. The 10% longer telescopic boom compared to its predecessor will hoist on average 15% higher loads with both maximum and part ballast. And with this in mind, the Liebherr engineers have produced a minor miracle – the new crane has the same low gross weight as its predecessor. With an axle load of 12t, the crane can carry 9t of ballast on public roads.

“The jewel in your fleet”. Christoph Kleiner, Sales Director, explains the slogan: “A flexible all-rounder, the LTM 1150-5.3 will enhance any crane fleet like a jewel – It has the longest boom in this crane class at 66m and can compete with crane models in the 200t lifting capacity class. It delivers outstanding lifting capacities when fully raised and at large radii. And it is immediately ready for use once it reaches the site. This is because the new 150t crane carries nine tonnes of a ballast with a gross weight of 60t. That means it can complete lots of jobs without requiring additional ballast transport vehicles. That saves time and money, and makes the crane even more valuable to crane contractors – hence our slogan: “The jewel for your crane fleet”.

Compared to its predecessor, the telescopic boom on the new LTM 1150-5.3 is 6m longer. At the same length of 60m, the new 5-axle crane can hoist 12t when fully raised – 1.5t more than its predecessor. When fully extended to 66m, the new crane has a lifting capacity of over 9t. That makes it perfect for erecting tower cranes and radio masts.

Lattice extensions enables the new 150t crane to achieve hook heights of up to 92m and radii of up to 72m. For this, one 7m lattice section as boom extension and a 10.8 to 19m double folding jib are used. The latter can be adjusted hydraulically between 0° and 40°. A 2.9m erection jib and a runner, which can be swung to the side, round off the equipment list. Particularly economical – the lattice jibs are compatible for many crane models in the 100 to 180t class within the Liebherr portfolio.

The time-tested six-cylinder Liebherr diesel engine in the undercarriage provides all the drive power the LTM 1150-5.3 needs. It develops 400kW / 544bhp and a torque of a 2516Nm. The engine satisfies the new stage V emissions directive and can also be configured to comply with the regulations which apply in countries outside of Europe, for example Tier 4 for the USA or stage IIIA for low regulated countries.

The ZF-TraXon gearbox is used to transfer the power to the crane’s axles. ECOdrive is particularly economical and convenient – the additional eco mode delivers enhanced drive properties which save fuel and reduce both noise and CO2 emissions. In addition, Hillstart Aid makes starting on gradients easier.

Liebherr has continued its single-engine strategy on this crane with a mechanical drive unit for the superstructure. The weight reduction created by the elimination of the superstructure engine from the previous model is used to deliver a longer boom and more lifting capacity.

In keeping with the latest developments from the Liebherr mobile crane series, the new 150t crane also features ECOmode for crane operations to reduce fuel consumption and emissions of both noise and CO2. Firstly, the complete pump drive can be disconnected automatically when the engine is idling and then reconnected by the intelligent controller in a matter of seconds when it is required. And secondly, the crane controller automatically calculates the perfect engine speed for the working speed selected using the control lever to avoid unnecessarily high engine speeds.

Hook blocks have to be heavy to ensure that the hoisting winch spools reliably. However, they should be as light as possible for being transported on the crane and for high net loads during hoists. Liebherr has designed a completely new range of hook blocks to satisfy these contradictory requirements – weight plates are attached to both sides of the hook block to change the weight of the block so that it is perfect for the current situation. Christoph Kleiner explains: “Our engineers have produced a simple, but brilliant design as it means that operators can react even more flexibly to every job.”

For example, a 3-roller hook block, which previously has weighed 700kg in this crane class, now only weighs 500kg, but can be upgraded to 700kg quickly and easily when necessary. The new system is available for 1 to 7-roller hook blocks. These can be used on cranes with both 19mm and 21mm ropes. The weights can be interchanged to ensure simple handling.

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