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Ammann provides Yanmar surprise

As well as the expected Yanmar mini excavators displayed by Ammann Equipment at the Show, on its stand was another machine type labelled as a prototype. Having long provided engines for skid steer loaders made by others, Yanmar is entering this market itself with two models. The unit at the Show was the larger 903, which weighs 3344kg and has a rated operating capacity of 900kg. Equipped with twin loader arms, the 903 has a 68hp Yanmar 4TNV98 engine and a hydrostatic drive system with Bosch-Rexroth components. The machine appears very solidly built and it comes with high-flow (112 litre/minute) auxiliary hydraulics and a fully glazed cab as standard.

The smaller skid steer loader, due to be introduced shortly by Yanmar, is the 752. This 59hp Yanmar 4NTV 98 engined machine weighs 2940kg and has a rated operating capacity of 750kg. Like its bigger brother, it has radial lift arms with substantial support towers. Side mirrors aid rear corner visibility.

01789 414525 Vac-Ex reveals new Air-Vac

A new trolley mounted vacuum excavation system was completed just in time for it to be launched at the Show by Vac-Ex. The Air-Vac is best powered by a two-tool (125cfm) portable compressor and the three-part cylindrical unit consists of what the manufacturer describes as a vac pod on the top, a skip pod in the middle and a trap pod at the bottom. Air from the

compressor is fed into the vac pod that contains the filtration system (down to 5 microns) and two vacuum pumps. Material can be broken up

by means of high-velocity air from an Air-Ex hand-held air excavating lance. The Air-Ex can be powered directly from a separate compressor or by means of a tee junction in the air hose from the compressor connected to the Air-Vac. A 102mm suction hose from the Air-Vac is then used to suck the loosened material into the 250-litre capacity skip pod, which is emptied by opening the gateway at the bottom of the gate pod. The Air-Vac is a trolley-mounted unit with detachable handles for site movement. Production units will have the vac pod made from aluminium for easier handling. Vac-Ex believes the Air-Vac will appeal to hirers supplying compressors to utility contractors.

01302 366900 Hilti previews largest breaker yet

Pride of place on the Hilti stand was given to the new TE 3000-AVR breaker, which is the manufacturer’s first such tool in the 30kg class and which is the result of several years’ research and development. It will be officially launched in the UK in May. Incorporating Hilti’s Active Vibration Reduction (AVR) technology, the tool has decoupled side handles and it has a quoted HAV measurement of 7m/s2

, enabling it to be used for more than four hours in a

working day. The TE 3000-AVR is claimed to offer the same performance as an air tool working on concrete or asphalt. It delivers 68 joules of impact energy and can be used with Hilti’s TE-HEX 28 self-sharpening polygon chisels designed to give greater productivity. A transport trolley is also available for the tool. The electronically controlled motor does away with rotor windings, a commutator and carbon brushes, meaning that service intervals are longer. Hilti says this also provides constant performance even when the supply voltage drops, such as when a generator or long extension cords are used. Also new on the stand was the TE 6-A36-DRS cordless rotary hammer drill, a 36V unit with an integral dust removal system. This ensures that the area immediately around the drill bit point is enclosed for maximum dust collection. The tool can drill up to 16mm in concrete, delivers 1.2 joules of impact energy, and provides a hammering speed of 0-5,280rpm.

0800 886100


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