High-cycle automation for warehouse and distribution loading docks—engineered for cold starts, washdown and debris, and relentless forklift traffic. Seamless integration with dock levelers, vehicle restraints, and traffic lights keeps freight moving and crews safe.
Direct-Drive (HAML & JDMG)
Trolley
NEMA 1 Controls
NEMA 4/4X Washdown
From sectional and rolling steel doors to vertical-lift bays, GDI operators deliver rapid cycles, intelligent interlocks, and minimal air loss—reducing temperature swings, improving seal time at the dock, and protecting people and product in nonstop operations.
Heavy-duty motors and gearing for relentless dock traffic and long duty cycles.
Born from the cold; dependable winter performance at unheated bays.
Protects controls from washdown, dust, grit, snow, and exhaust.
Fast open with safe, controlled close; configurable speed profiles for throughput and safety.
Industrial gears, bearings, and shafts built for millions of cycles.
Reliable operation from –40 °C to +50 °C environments.
NEMA 4/4X options and marine-grade components withstand daily cleaning.
Non-metallic enclosures and treated metals resist corrosives common at docks.
Stainless shafts and hardware available for direct-drive and chain-drive units.
Modular design and service-friendly layouts simplify inspections and repairs.
Upgrade existing doors without full replacement to boost cycle speed and uptime.
Obstruction sensing plus interlocks for levelers, vehicle restraints, photo-eyes, and edges.
Works with dock levelers, trailer restraints, door position sensors, and traffic lights for safer sequencing.
Advanced motor control reduces power draw and improves acceleration and stop control.
Talk with our specialists about door speeds, interlocks with levelers and restraints, washdown requirements, and cold-start performance tailored to your dock.
Contact GDI