Engine 5503

5503 is a Type 2 Engine. Conversion to a fire truck was done by
Arapahoe Truck in 1992.

Mechanical

  • 1981 Mack chassis
  • 250 HP Maxidyne diesel engine
  • 5-speed Allison automatic transmission
  • electromagnetic driveline retarder
  • all-wheel drive
Fire Attack
  • Compressed-air foam system (CAFS)
  • PTO-driven 500 gpm Darley single-stage water pump
  • 120 CFM PTO-driven air compressor
  • 1,000 gallon water tank
  • 20 gallon Class-A foam tank
  • 800 feet of 3" supply line
  • (2) 1-3/4" preconnected attack lines
  • (1) 2-1/2" preconnected attack lines
  • 500 gpm deck gun
  • 2,000 gallon portable pond
Additional Equipment
  • 4 SCBA (Self-Contained Breathing Apparatus) units
  • 4 spare SCBA bottles
  • ladder complement
  • wildfire tools
  • extinguishers
  • entry and overhaul tools
  • initial response EMS equipment