Big Iron Dealer
Subscribe to our Newsletter
This iframe contains the logic required to handle AJAX powered Gravity Forms.
Alaskan Way Viaduct
VIDEO: Bertha sees daylight, finishes 1.7-mile boring work for SR 99 tunnel
Sixty-four years after the Alaskan Way Viaduct was first opened to traffic, Bertha, the world’s largest tunnel boring machine, broke ...
Bertha stopped after veering off course in home stretch of Seattle’s SR 99 tunnel
Seattle Tunnel Partners (STP) stopped Bertha, the largest tunnel boring machine in the world, on Feb. 28 to make adjustments ...
Bertha’s repairs push Seattle’s SR99 tunnel $200 million over budget. And it could get worse
Following two years of costly repairs and downtime, Bertha, the world's largest tunnel boring machine, is $223 million over budget, ...
As Bertha visits the dentist, a look at how this machine digs and builds the SR99 tunnel at the same time (VIDEO)
Bertha, the world's largest and perhaps most beleaguered tunnel boring machine, has been halted deep below the streets of Seattle once ...
From our partners
Presented By: Sonetics
Improve Awareness to Avoid Backovers and Struck-Bys
It starts with increased situational awareness and an ingrained safety culture.
Bertha is nearly ready to start tunneling again (VIDEO)
The massive tunnel-boring machine that's been sidelined in Seattle for two years could be back to boring by New Year's. The ...
Bertha delayed again; won’t restart drilling until late December
The Seattle Tunnel Partners have once again delayed the restart of drilling for the State Route 99 tunnel, with Bertha not expected ...
Crews prepare soil for Bertha to begin tunneling again
One of the last steps to getting Big Bertha back to boring beneath Seattle is underway. The Washington State Department of ...
PHOTOS > Big Bertha gets her head together: How to repair the world’s largest tunnel machine
With the final repairs having been made earlier this summer and Big Bertha finally picked back together underground, Washington State ...
Damage to Big Bertha worse than previously thought
Now that crews are well into the process of dismantling her front-end for necessary repairs, it's clear that damage to ...
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, ...
Big Bertha wakes from one-year nap, begins to chew her way into repair pit
For the first time in more than a year, Big Bertha actually bored. According to a report from the Seattle Times, the world's largest ...
VIDEO: Watch time-lapse of Highway 99 construction
The Washington State Department of Transportation was kind enough to release the following time-lapse video of construction on Highway 99. ...
Page 1 of 2
John Deere unveils Fixstern: A lightweight vision for the backhoe of the future (VIDEO)
Ford files patent for sliding pickup bed
Test Drive: Kenworth’s T880S is a more versatile replacement for the W900S
How Hensel Phelps carefully deployed drones on its construction sites
Cat D8T moves more at less cost with several new options
Dragged to his death: How to prevent chipper accidents
GO TO SAFETY WATCH
Caterpillar will move global HQ to Deerfield, lll., beginning this year ...
by Wayne Grayson
John Deere unveils Fixstern: A lightweight vision for the backhoe of ...
by Marcia Gruver Doyle
Test Drive: Kenworth’s T880S is a more versatile replacement for the ...
by Jason Cannon
Cat D8T moves more at less cost with several new options ...
by Wayne Grayson
Kobelco launches slew of new excavators, improved models
by Don McLoud
Big Iron Dealer