2-Speed Landing Gear
2‑Speed landing gear is a dual‑ratio crank system used on semi‑trailers that lets the operator switch between two mechanical gear settings to raise or lower the trailer’s landing legs more efficiently.
Two Selectable Gear Settings
High gear (fast speed): Low lifting power but high crank speed, used when the landing legs are not under heavy load (free‑spinning phase).
Low gear (power speed): High lifting power but slower crank speed, used when the trailer’s weight is on the legs and more torque is required.
Advantages
Reduces operator effort when lifting a loaded trailer.
Speeds up cranking when the legs are not under load.
Minimizes wear on the gear assembly.
Improves safety and ergonomics for drivers and technicians.