Rescue 22 is a custom 2020 KME Severe Service cab with a rescue-pumper body. It is equipped with a 2,000-gpm pump and a 770-gallon water tank.
HVAC Systems: So, What Is a Micron, Anyway?
The tool salesman tries to sell you a micron gauge for your HVAC repairs. What is going on here? How are filters, vacuum pumps, and (ex)planets related?
Keeping Up with Rapidly Changing Fire Apparatus Technology
The modern fire apparatus shop is no longer just a support function—it is a critical component of operational readiness and firefighter safety. Jurisdictions that invest in training, diagnostics, data analysis, and documentation position themselves to succeed in an increasingly complex environment.
Emergency Vehicle HVAC Balance
How is balance relevant to the HVAC system? The short version is that the amount of refrigerant must be balanced with the interior volume of the system.
E-ONE Select Series Aerial in Service for KY Department
E-ONE built this Metro 100 aerial ladder quint on a Cyclone cab and chassis for the Hebron (KY) Fire Department.
What the HVAC System Needs
The HVAC technician’s duty when performing maintenance is to understand each component clearly and inspect for anything that could impede its function.
The Long Game: The Art of Keeping an Aging Fire Apparatus Fleet Alive
Fleet management is no longer just about buying new rigs—it’s about mastering the art of keeping aging ones alive.
Introduction to Emergency Vehicle HVAC: What is Heat?
The concept is how can we move the heat from inside the box to outside the box? It really doesn’t matter what the box is.
Shreveport (LA) FD Adds Two Pumpers
The rigs have Darley PSD 1,500-gpm, side-mount, single-stage power takeoff (PTO) pumps, and 500-gallon polypropylene water tanks.
Inside Darley May/June 2026
The May/June episode of Inside Darley is out. This episode includes trade show information, word from FAMA on the apparatus market, and a report from the Center for Public Excellence on apparatus purchasing.
Just Ask Engineering: What Is the Lowest Temperature At Which A Darley Pump Can Safely Operate?
This question is asked by many pump operators in the upper Midwest of the United States and Canada during the winter season.
Texas FD Chooses Rear-Mount Straight Stick Quint
The Addison (TX) Fire Department decided a straight stick’s maneuverability fit its needs better than a platform and went with a Spartan ER rear-mount aerial ladder quint.













