One of those technologies is the Well Tractor. Developed by Welltec Inc. in the mid-1990s, tractor technology allows access to horizontal wellbores without the need of conventional conveyance ...

Pennsylvania State Police have identified the contractor killed in the route 581 crash in Cumberland County on Monday morning ...

For example, a 40-horsepower tractor doesn't mean it's as strong as 40 horses at their peak. Instead, it means it can do the work of 40 horses working nonstop without rest, which is a very ...