Digging tunnels has become easier and safer thanks to custom-designed tunnel-boring machines. Tunnel-boring machines (TBMs) could be the ultimate power tool. They're monstrous, weighing millions of ...

McLaughlin WH 225 auger boring machine has a 214-horsepower Volvo Tier 4 compliant diesel engine. Its 5-inch hex auger drives 1.2 million pounds of thrust and 126,000 lb.-ft. of torque for big bore ...

Boasting 1.8 million pounds of thrust and 272,236 pounds-per-foot of maximum torque, the new 84/96-1800 NG is the largest and most powerful auger boring machine on the market today, says manufacturer ...