Subscribe to our Newsletter
This iframe contains the logic required to handle AJAX powered Gravity Forms.
VIDEO: A drone’s-eye view of Bertha’s work inside Washington’s SR 99 tunnel
Bertha, the largest tunnel-boring machine in the world, is back at work once again and tunneling below the Alaskan Way ...
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 ...
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 ...
PHOTOS: Fixing Bertha: How workers dug a 12-story pit to raise world’s largest tunnel boring machine from the dead
No. 8 Story in 2015 « No. 9 No. 7 » The Big Bertha saga recently received a major update: crews ...
From our partners
Presented By: Caterpillar
LET’S TALK TECHNOLOGY.
Every major equipment manufacturer is encouraging you to give technology a try. Caterpillar is no exception. We believe innovation can…
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. ...
Camera gives a live view of construction on Big Bertha’s 12-story repair access pit
Just because Big Bertha is down for nearly a year, that doesn't mean work around the world's largest tunnel boring ...
Tunnel-boring machine Big Bertha moves forward 2 feet in test run to see if blockage is fully removed
After nearly two months of downtime caused by a steel pipe stuck in her teeth, Big Bertha, the world's largest ...
A steel pipe is what brought Big Bertha, the world’s largest tunnel-boring machine, to a halt
The mystery is solved—in part at least. After Big Bertha, the world's largest tunnel-boring machine, was brought to an abrupt halt ...
No. 6 in 2013: Big Bertha digs in before being stopped in her tracks
There's been a lot of excitement this year about the world's largest tunnel boring machine. Named "Big Bertha," she arrived ...
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 ...
VIDEO: Watch as a massive Komatsu PC8000 mining shovel is assembled in this time-lapse
VIDEO: Entire Erques Bridge construction chronicled in beautiful time-lapse
Cat to end track drill production, intends to sell room and pillar underground mining machine business
John Deere unveils 2 large-frame skid steers, 2 CTLs in G Series power boost
Caterpillar to begin manufacturing mini excavators as market growth ends deal with Wacker Neuson
Unsafe surroundings: Unrecognized hazards could cause trouble for you – or for someone else
GO TO SAFETY WATCH
Caterpillar to begin manufacturing mini excavators as market growth ends deal ...
by Wayne Grayson
REVIEW: Cat S60’s design, speed, built-in FLIR thermal camera combine for ...
by Wayne Grayson
With new emissions regs, can heavy truck makers go all-in on ...
by Jason Cannon
Test Drive: Off-roading in Nissan’s sonar-equipped 2017 Titan Pro-4X Crew Cab ...
by Tom Quimby
compact track loaders
John Deere unveils 2 large-frame skid steers, 2 CTLs in G ...
by Wayne Grayson