CB25 and CB30 Control Box

Rugged Single Control Box for Spectra Precision Laser Automated Grade Control Systems

The easy-to-use Spectra Precision® CB25 Single Control Box lets you automatically control glade elevation for balancing and rough grading applications, or automatically control the blade for fine grading. Proportional receivers and hydraulic valves provide maximum system accuracy and smooth, precise operation.


  • Cab-mounted, automatic control of lift of blade or attachment.
  • performs simple elevation display to more complex grading jobs requiring automatic elevation blade control.
  • Switch from automatic to manual control with the quick flip of one switch.
  • Super-bright LED grade displays relay blade position to grade in any lighting condition for maximum productivity.
  • Used with Spectra Precision LR50 Grade Display Receiver and Spectra Precision LR60 Grade Display Receiver.

Used on small dozers and compact machines

  • Skid-steer loaders with attachments such as dozer blade, grader blade, box blade, loader bucket for automatic control requiring lift control
  • PT, PC or PV hydraulic valves
Data sheet
CB25 Control Box