Liebherr’s PR 756 Litronic crawler tractor is one of two new models in its now three-strong Generation 6 crawler tractor programme.
Like the PR 736 and PR 746, the PR 756 is Stage IV engine emission standard and offers a six-cylinder 250kW engine. The model’s operating weight ranges from 38.3-41.15tonnes.
The main components of the PR 756 come from Liebherr’s own production facility. Among these are the diesel engine and the common rail injection system as well as the hydraulic and electronic components.
Siemens UK is supplying 21st century technology to help protect a 13th century stone arch bridge over the River Thames in England. The 665m-long New Bridge has national recognition and statutory protection from alteration, but is suffering from the weight of modern vehicles. Siemens’ system is the first time that automatic number plate recognition cameras are being used to enforce a road weight restriction in the county of Oxfordshire.
“Evidence downloaded from the cameras can be used to demonstrate that d
Highways authorities around the world are testing every component of a pavement in a bid to improve durability. Kristina Smith looks at two very different examples, one from the UK and one from the US
In Vietnam a traffic policeman proved his dedication to duty when a driver in Hanoi refused to stop. The policeman flagged down a coach for a document check, but the driver refused to show his papers and instead, headed off at speed. The diligent policeman leapt onto the front of the coach and clung on to the bumper and windscreen wipers as the vehicle reached speeds of 50km/h. Video footage taken by a passenger in another vehicle shows the policeman clinging on while shouting to onlookers to call for polic
