The Advance HCD800 Heavy Duty Marine Gearbox 3.96:1 Reduction is a high-capacity marine hydraulic transmission engineered for commercial vessels, fishing trawlers, tugboats, ferries, dredgers, and other heavy-duty marine propulsion systems. Designed to manage substantial engine power and continuous-duty operation, the HCD800 delivers dependable torque transfer, smooth gear engagement, and long-term reliability. With multiple reduction ratio options, mechanical or electronic controls, and optional gearbox oil cooling, this transmission is built to meet the demanding requirements of professional marine operators.

The NEW Advance HCD800 Heavy Duty Marine Gearbox 4.90:1 Reduction is a commercial marine hydraulic gearbox designed for heavy-duty propulsion applications requiring dependable drivetrain capacity, controlled reduction, and configurable installation options. With a 4.90:1 reduction ratio, 1800 RPM maximum input speed, 450mm drop centre, 2200kg weight, SAE0 / SAE00 adaptor plate options, mechanical or electronic controls, and an available gearbox oil cooler option, the HCD800 is suitable for commercial vessels, workboats, fleet repower projects, and new marine propulsion installations.

The NEW Advance HCL100 Heavy Duty Hydraulic PTO Clutch is a commercial marine hydraulic PTO clutch designed for auxiliary power take-off applications requiring dependable engagement, controlled power transfer, and compact heavy-duty construction. Rated at 0.14 hp/RPM, with a maximum capacity of 350 hp at 2500 RPM, SAE2 adaptor plate option, mechanical or electronic control options, 11.5” drive plate, optional gearbox oil cooler, 156kg weight, and compact 345 × 310 × 455 mm dimensions, the HCL100 is suitable for commercial vessels, workboats, auxiliary equipment drives, and marine power transmission applications.

The NEW Advance HCT400A Heavy Duty Marine Gearbox 6.49:1 Reduction is a commercial marine hydraulic gearbox designed for heavy-duty propulsion applications requiring controlled reduction, dependable drivetrain capacity, and configurable installation options. With a 6.49:1 reduction ratio, 1800 RPM maximum input speed, 375mm drop centre, 1450kg weight, SAE1 / SAE0 adaptor plate options, mechanical or electronic controls, and an available gearbox oil cooler option, the HCT400A is suitable for commercial vessels, workboats, repower projects, fleet applications, and new marine propulsion installations.