Trimble Spectra Precision GL422 Dual Slope

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  • Fast, easy horizontal level, grade and vertical plumb setup with no manual leveling
  • Easy setups with the 2-way, full-function radio remote control and single and dual grade application capability offer quick payback
  • Automatic temperature and grade compensation eliminates rework
  • Very long operating range of 800 m (2,600 ft) for GL422 increases machine control capability and reduces setups over the jobsite.


  • Leveling concrete forms and footers
  • General construction vertical alignment and plumb such as anchor bolt and form alignment
  • Grading and excavating
  • Concrete sections with runoff for sports fields, tennis courts and driveways
  • Steep slope road embankments and ditch banks
  • Parking garages, ramps and drainage

Package includes the following: 

  • Trimble Spectra Precision GL422 Laser Level.
  • 2 Spectra HL700 Receivers.
  • Rechargable Battery.
  • Charger.
  • Manuals.