State of Charge: Battery Systems
Problems and why they matter
By Stefan Eshleman
Batteries can be monitored for many different things. None of these different things are as important as the...
Preserved For A Lifetime
The Chicago Transit Authority (CTA) provides service to Chicago and 40 surrounding suburbs. The CTA’s 1,190 train cars operate over eight routes and 222...
Rebuilding Tired Iron
Schildberg Construction Co. is a family owned business that has been moving dirt and crushing rock for the past 75 years. At Schildberg, nearly...
Proper Technique
Self-shielded flux-cored arc welding (FCAW-S) offers numerous benefits, including good weldability, high deposition rates, and excellent chemical and mechanical properties. These make the process...
The Diesel Engine Oil of the Future: PC-11
The American Petroleum Institute (API), working with engine manufacturers and oil makers, is completely redesigning heavy-duty engine oil specifications. Nearly a decade has passed...
Tire Savvy
By Ryan Lopes
Just like a building or a road—or any contracting job—the quality of a tire is a factor of good design, good materials,...
Bypass Filtration
You change your oil not because you want to, but because you have to, or risk premature wear and untimely mechanical failures. You need...
Tear Out or Replace
Many facilities built in the 70s and 80s continue to operate and maintain aging induction-based air conditioning units originally installed in each room or...
Engine Oil Storage
Modern engine design and the need to reduce CO2 emissions have led to the development of additional engine oil categories and a growing number...
Aftermarket Options Set Stage for Customer Retention
Modern contractors require modern solutions when it comes to equipment acquisition. The solutions they seek today extend far beyond the initial purchase and require...









