Engine 2 is a stock unit purchased to reduce the lead times on fire apparatus. The rig is an addition to the fleet, but could also be switching with the current Engine 3.
Apparatus Showcase, October 2026
A sampling of recent fire apparatus deliveries across the US, compiled for the October 2026 issue of Fire Apparatus & Emergency Equipment.
Just Ask Engineering: Pump Life Expectancy
A proactive maintenance program not only reduces the risk of unexpected failures, but also helps lower operating costs and ensures the pump is ready for an emergency.
Darley “SAFE” Roll Hose Roller
Darley has partnered with Operational Fire, which developed and designed the patented Safe Roll.
The Role of the Thermal Expansion Valve (TXV)
The TXV performs two tasks. First, it monitors the temperature of the evaporator core outlet. Second, it controls the amount of refrigerant entering the evaporator core inlet.
Industry Trends and Priorities: Needs vs. Wants
Apparatus committees must have foresight and look beyond the excitement of the newest gadgets and technology to make decisions that will serve their departments for the next 10 to 20 years.
Darley’s James Long Retires
As president of the Defense Division and a member of Darley’s executive leadership team, James has played a pivotal role in helping build Darley into the organization it is today.
Darley Named No. 2026 on the 2026 Inc. 5000 List
Among the 5,000 companies on the list, the median three-year revenue growth rate was 130%, and those companies have collectively added more than 627,208 jobs to the U.S. economy over the past three years.
The Principle of Latent Heat
Latent heat disappears, but that heat does not cease to exist, just that we cannot measure it with a thermometer. Understand how making use of latent heat is what makes an HVAC system efficient.
Inside Darley: September/October 2026 Edition
Pump modules have been a growing area for the company as fire truck builders have long backlogs coming in. Darley has been able to help fill those needs.
After-Hours Emergency Repairs and Managing a Reserve Fleet During Peak Demand
Apparatus failures do not wait for normal business hours. When these situations occur, fleet personnel must make rapid decisions that balance operational readiness, staffing limitations, and safety.
HVAC Systems: So, What Is a Micron, Part 2
Do you need a micron gauge? That is an economic decision, but if you are conscientious as well as under time constraints, you may find that a micron gauge saves time by avoiding either over pumping to be on the safe side or just hoping that you get enough of the air out.













