Trimble® GCS300 Grade Control System
The Trimble® GCS300 Grade Control System is a single control system that uses the Trimble® LR410 Laser Receiver to control the lift of the machine blade. Although designed primarily for use on dozer blades, the GCS300 system can be used on other machines, as well. Very easy to set up, learn and use, the
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Trimble® GCS400 Grade Control System
The Trimble® GCS400 Grade Control System is a dual elevation, or elevation and blade slope control system that controls both the lift and tilt of the machine blade. The GCS400 system uses either two Trimble LR410 Laser Receivers, or one Trimble LR410 Laser Receiver and a Trimble AS400 Slope Sensor.
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Trimble® PCS400 Paving Control System
The Trimble® PCS400 Paving Control System is a new standard for smoothness and accuracy. The PCS400 system employs superior Trimble sensors to reference off of a stringline or surface with greater accuracy and smoothness. For more information and an on-site demonstration, please call your Spectra rep today: (800) 443-7561. Learn More About The Trimble PCS400 PAVING Control System

Trimble® GCS500 Grade Control System
The Trimble® GCS500 Grade Control System is a cross-slope control system designed to be used on motor graders for fine grading work. The system uses two Trimble AS400 Angle Sensors and one Trimble RS400 Rotational Sensor to calculate the cross-slope of the blade. The operator can select which side of the blade is controlled and switch sides on the return pass.
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Trimble® GCS600 Grade Control System
The Trimble® GCS600 Grade Control System is a cross-slope and elevation control system designed to be used on motor graders for fine grading work. The highly flexible GCS600 Grade Control System uses a variety of sensors to calculate the cross slope of either side of the blade; the GCS600 also uses one or two Trimble LR410 Laser Receivers or a Trimble ST300 Sonic Tracer to provide elevation control.
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