1976 Oshkosh P-4 Facts Oshkosh P-4 Basics The workhorse of the crash fleet for more than two decades, the Oshkosh P-4 was air-transportable on a C-130 Hercules and could be adapted for fighting either aircraft or structural fires. Air Force firefighters appreciated the air-conditioned crew compartment and the ease with which its Allison Torquematic transmission operated. Crew and Equipment Crew: 4 Firefighters Equipment: 1500 gallons of water 180 gallons Aqueous Film Forming Foam (AFFF) fire suppressant 300-1000 GPM boom nozzle Roles Airport Rescue Firefighting (ARFF) History One of 534 P-4s delivered to the Department of Defense, the truck on display last served with the Delaware Air National Guard. On exhibit at Goodfellow since restoration in 2007, the vehicle is part of the historic firefighting vehicles on display at Goodfellow Air Force Base.