Trimble GCS900 Grade Control System
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From bulk earthmoving through grading to finished material compaction, Trimble has a 3D grade control solution for your machine type and application requirements.
Trimble GCS900 Single GPS + GLONASS
Full 3D control system that measures the position and slope of the blade and compares that to design data. Suitable for Dozers, Graders and Scrapers for road work, landfill engineering, site preparation and grading work.
Trimble GCS900 Dual GPS + GLONASS
Full 3D control system that measures the exact position, very accurate cross slope and heading of the blade. Suitable for Dozers, Graders and Scrapers for road and rail work, large earthmoving projects, golf course construction, landfill engineering and projects with steep slopes.
Trimble GCS900 Dual GPS + GLONASS for Excavators
Full 3D control system uses two GPS + GLONASS antennas and solid state angle sensors to measure the precise position of the tip of the bucket. Suited to rough grading for roads and highways, break water construction and large earthmoving projects.
Trimble GCS900 GPS + GLONASS with Laser Augmentation
Single and dual GPS + GLONASS systems enhanced with laser augmentation to improve vertical accuracy for complex design surfaces such as super elevation grading. Suitable for Dozers and Graders for road and railway grading work, airport construction and site preparation.
Trimble GCS900 with Universal Total Station
For applications requiring extreme accuracy or for jobs where GPS is not the ideal solution due to overhead obstructions. Suitable for Dozers and Graders for road and railway grading work, airport construction and site preparation.
Trimble GCS900 GPS + GLONASS for Compactors
3D compaction control system using single or dual smart GPS+GLONASS antennas that combines finished grade quality control and analysis with advanced compaction control and documentation. Ideally suited for soil compaction for earthworks, embankments, base/sub-base materials for roads, runways, rail and foundations.


