Going mobile: Jörg Müeller on Terex’s Demag all-terrain cranes

Going mobile: Jörg Müeller on Terex’s Demag all-terrain cranes
A Terex Explorer 5800 and Terex AC 250-1 tandem lift a pre-fabricated steel roof structure into place.
Published: 13 September 2017 - 11:11 a.m.
By: John Bambridge

Over a year has now passed since Terex Cranes relaunched an updated range of 11 Demag all-terrain cranes at Bauma 2016 and announced its resurrection of the brand’s five-axle range, as well as plans for a range of three-axle all-terrain cranes.

By the end of the year, the Demag mobile crane range will consist of machines ranging from the 55-tonne capacity, three-axle AC 55-3 up to the 1,200-tonne capacity, nine-axle AC 1000-9, with many models in-between.

The reintroduction of the five-axle range after a significant research and redevelopment effort plugged what was previously a wide gap between the 100-tonne and 300-tonne models, and does so with four models with lifting capacities of 130, 160, 220 and 250 tonnes.

In the Middle East, where construction and logistics work is frequently weighted towards the heavy end, the revival of the five-axle range was more than welcome and customer interest has already translated into serious business — with majors order signed month-after-month from March through June this year.

Jörg Müller, senior international sales manager for Terex Cranes, notes: “It’s been much better than last year, definitely, so let’s hope it continues. We relaunched the Demag brand at Bauma, and I think people are still relating to this. The five-axle family makes a lot of sense for rental companies — particularly as you can interchange certain components. For example, the second hoist is interchangeable within the five-axle family, from 130 tonnes to 250 tonnes.”

The run of deals were led in both size and precedence by Sarens Nass, the Bahrain-based joint venture of the Belgium-based Sarens, which in March signed an order for 15 units of the 130-tonne capacity AC 130-5 cranes.

These 14.3m-long and 2.75m-wide carriers come with a standard 60m-long main boom and can reach a maximum system length of 86.5m with boom extensions.

Müller explains: “Nass didn’t buy Demag machines for a couple of year, so this was a deal where we were discussing with them what they need, and what advantages we could provide when it came to the machines. Our load chart, in particular, was stronger than the competition — especially with the IC-1 Plus control system, which safety wise was an advantage for them — so they chose our cranes.

Terex Cranes has been strongly advocating the merits of its IC-1 Plus crane control system, which boosts lifting performance. The system works by calculating the maximum lifting capacity of a crane in real-time based on the outrigger extension, counterweight configuration and slewing angle.

In many cases this allows the cranes to far exceed the lifting capacity limits associated with a pre-calculated, 360-degree load chart, which is based on the most unstable position.

In practice, the IC-1 Plus control system allows smaller cranes to perform jobs where a higher capacity crane might previously have been required, or for smaller jobs can allow the operator to quickly set up on site and safely carry out a lift with reduced counterweight or just partially extended outriggers.

The latest version of the six-axle Demag AC 300-6 crane is meanwhile the first 300t-class in the Demag range to be equipped with a luffing jib — bringing the maximum system length up to 118m.

Commenting on whether there’s interest in the model in the region, Müller notes: “Absolutely, because the predecessor model, the 250-6, was very successful over here in the Middle East, and has a very good reputation — so what we did now was strengthen this crane.

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