Milton CAT Integral and Sub-Base Fuel Tanks

Milton Cat Generator Base Fuel Tank


  • UL listed for United States (UL 142) and Canada (ULC S601)
  • Compliant with NFPA 30, 37 & 110 and CSA C282-09 & B139-09 standards.
  • Dual wall
  • Lockable fuel fill cap, 4” (101.6mm) NPT
  • Fuel fill drop tube with in 6” (152mm) from bottom of tank
  • Low fuel level warning standard, customer configurable warning or shutdown
  • Primary tank leak detection switch in containment basin
  • Tank design provides capacity for thermal expansion of fuel
  • Fuel supply dip tube is positioned so as not to pick up fuel sediment
  • Fuel return and supply dip tube is separated by an internal baffle to prevent immediate re-supply of heated return fuel
  • Pressure washed with an iron phosphate solution
  • Interior tank surfaces coated with a solvent-based thin-film rust preventative
  • Heavy gauge steel gussets with internal lifting rings
  • Primary and secondary tanks are leak tested at 20.7 kPa (3 psi) minimum
  • Compatible with open packages and enclosures
  • Gloss black polyester alkyd enamel exterior paint
  • Welded steel containment basin (minimum of 110% of primary tank capacity)
  • Direct reading fuel gauge with variable electrical output
  • Emergency vents on primary and secondary tanks are sized in accordance with NFPA 30

Description – Sub BaseMilton CAT Backup Power Generators

  • The sub-base fuel tank mounts below the generator set wide base

Description – Integral

  • Integral diesel fuel tank is incorporated into the generator set base frame
  • Robust base design includes linear vibration isolators between tank base and engine generator


  • Audio/visual fuel level alarm panel
  • 5 gal (18.9 L) spill containment
  • Overfill prevention valve