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VIDEO: The Zipper truck builds tunnels in no time without any adhesive
With this unique truck and some larger-than-life concrete lego bricks, tunnel building takes no time it all. According to a report ...
Stronger Big Bertha cutter head lowered back into its pit for tunneling
Big Bertha's massive cutter head is back underground after months of repairs were made to get the world's largest tunnel-boring ...
Big Bertha is set to start drilling again in November after extensive repairs, testing
The world's largest tunnel-boring machine is now scheduled to get back to work on November 23, nearly two years after it overheated ...
Crews begin installation of Big Bertha’s new seal system
While the rest of her massive frame waits below ground, Big Bertha has undergone the most pivotal portion of her ...
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Should you be concerned about diesel or diesel emission fluid DEF efficiency?
The answer is both. If your engine manufacturer is using selective catalytic reduction (SCR) to meet emissions, and is talking…
Board rules WSDOT should have given contractor more warning about pipe struck by Big Bertha before stall
In regard to the drilling of the new State Route 99 tunnel below Seattle, the Washington State Department of Transportation ...
Did Seattle’s SR 99 tunnel really require Big Bertha? Indeco argues breakers are the answer
Tunnel boring machines such as Big Bertha, the 7,000-ton machine sidelined after a massive fail under the streets of Seattle, ...
PHOTOS: Big Bertha’s 2,000-ton front end lifted to the surface. How the world’s largest tunneler was raised
After a year of slumber and almost a month after chewing her way into a 12-story repair pit, Big Bertha, the ...
Unstoppable Force, Immovable Object: Seattle’s Big Bertha halted by mystery object
Has Big Bertha met her match? She has, at least for the time being. The world's largest tunnel-boring machine was recently ...
NYC tunnel expansion the largest transportation project in U.S.
New York City is undergoing the biggest addition to its transportation system since Penn Station opened in 1910, Time reported. ...
U.S. highways are shifting to alternative interchange designs
Cummins hit with $60M lawsuit by FCA over defective emissions system in Ram pickups
VIDEO: Massive earthmover tire explosion shows why you should cage 'em before you inflate 'em
GMC unveils 2017 Sierra HD All Terrain X, its most powerful off-roader yet thanks to new 6.6L Duramax
VIDEO: Vintage Cat DD9G gave single operator power of 2 dozers in tandem
Unsafe surroundings: Unrecognized hazards could cause trouble for you – or for someone else
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Hoping to impress ‘low-spec’ skeptics, LiuGong steps up its game with ...
by Tom Jackson
How Volvo CE is engineering a quarry run by electric loaders ...
by Marcia Gruver Doyle
Caterpillar CEO Doug Oberhelman to retire next year; Umpleby tapped as ...
by Wayne Grayson
Caterpillar intros M315F, M317F wheeled excavators with tool carrier, compact radius ...
by Wayne Grayson
Three views on the past, present and rapidly evolving future of ...
by Tom Jackson