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AirSpade 4000 - Utility

Guardair Corporation


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The AirSpade 4000 Utility Series sets a new benchmark in air excavation tools, leveraging compressed air to expose underground utility lines without harm. Its high-performance, custom-made supersonic nozzle generates a jet reaching twice the speed of sound for faster, more precise excavation.

Featuring a non-sparking bronze nozzle, Brass components, an electrically insulated 4 ft barrel with a 300kV rating, and an ergonomic and lightweight handle, the AirSpade 4000 Utility maximizes safety on a job site while reducing strain on the operator. The aluminum handle has a full-size opening to fit linesman gloves and is equipped with a dead-man trigger and trigger guard for safety. The retractable stabilizer bar allows for superior operator control and the integrated pressure gauge ensures optimal excavation performance.


  • Rugged, ergonomic handle with plastic-coated grip
  • Retractable stabilizer bar and integral air-pressure gauge
  • Dead-man trigger with trigger guard
  • Insulated, 4 Ft. fiberglass barrel rated up to 300kV
  • Non-sparking Brass barrel sleeves and threaded connectors
  • Adjustable, rubber spray shield
  • Non-sparking, Nickle Aluminum Bronze supersonic nozzle; 105, 150 and 225 cfm available
  • Inlet: 3/4 NPT
  • Chicago-style swivel connector


  • (1) Utility AirSpade 4000 Handle
  • (1) 4 Ft. insulated, fiberglass barrel with dirt shield
  • (1) 105 cfm non-sparking bronze supersonic nozzle


Part Number ASU4105G4 ASU4150G4 ASU4225G4
Minimum Compressor (hp) 23 33 50
Noise Level (dB) 116 122 124
Flow (cfm) 105 150 225
    AirSpade 4000 - Utility
    AirSpade 4000 - Utility
    AirSpade 4000 - Utility
    AirSpade 4000 - Utility
    AirSpade 4000 - Utility AirSpade 4000 - Utility