First sight of new Liebherr AT

18 April 2008

Germany: Liebherr unveiled a new 143 ton capacity all terrain crane in June. The five axle LTM 1130-5.1 was shown in iron on the first of two customer open days at the Ehingen factory in Germany. It is the fifth new model on five axles Liebherr has launched in the last two years.

The 196 foot six section boom can be extended with an hydraulically luffing two-section 35 to 62 foot swing away fly jib and two 23 foot lattice inserts to give a maximum system length of 305 feet. At 13 tons per axle up to 10 tons of counterweight can be carried for operation as a taxi crane. Flexibility of application is a strong feature, Liebherr says. The preliminary lifting chart shows that the new LTM 1130-5.1 will lift 14 tons through 360 degrees at 65 foot radius with 155 foot of boom and the maximum 46 tons of counterweight. With the same radius and boom length but with 9 tons of ballast it will pick 7.6 tons

The carrier is 40 feet long and on 16.00 R25 tires it is 9 feet wide. Turning circle is 34 feet and there is active speed dependent rear axle steering, which, Liebherr claims, reduces tire wear. Air operated disc brakes are fitted all round.

In the carrier there is a 370 kW Liebherr straight six diesel driving through a 12 speed ZF AS-Tronic automated manual transmission with built in intarder and a two stage transfer box. In the superstructure a 145 kW four cylinder Liebherr diesel drives the hydraulics and up to four crane functions can be operated simultaneously.

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