2022 Upgrade IH 7400 with 3500 gallon vacuum tank delivered July 2015
Changed rear ratio on chassis to improve gradeability.
Replaced leaking tank.
Retained original following items:
Liquid level indicator
Secondary shut off
Emergency lights, siren, speaker, NFPA, and traffic advisor
Compartments minus walk way (replaced due to broken supports)
Portable tank and manual bracket
Replaced following items:
New 3500 gallon polished aluminum tank with patent baffle and vent system, interior coating, and 2-9#
3 Air operated water valves with hose vent valves
New console in the cab