The Integrator (internal driven) carriage system for cantilever gates, connects directly to the gate operator and hides the mechanics within the track for a safe, protected installation. 8 wheels with noiseless shielded bearings protect against dust and increase service life. There are 3 models to choose from, the small carriage model, CGS-500.8M, is perfect for residential properties and light duty commercial, the large carriage model, CGS-500.8P, is a good model for large residential gates and most commercial applications, the grande model, CGS-500.8G, is a good solution for heavy ornate residential gates, heavy or wide commercial applications, and heavy duty, high cycle industrial gates. All models are automation ready!