The NEW Advance HCT400A Heavy Duty Marine Gearbox 7.95:1 Reduction is a commercial marine hydraulic gearbox designed for heavy-duty propulsion applications requiring high reduction, dependable drivetrain capacity, and configurable installation options. With a 7.95:1 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.

The Advance HCT400A Heavy Duty Marine Gearbox 9.47:1 Reduction is a commercial-grade marine hydraulic transmission engineered for heavy-duty propulsion systems requiring significant torque multiplication and dependable long-term operation. Designed for commercial fishing vessels, trawlers, dredgers, tugboats, ferries, and workboats, this gearbox provides efficient power transfer, smooth hydraulic engagement, and exceptional durability. With multiple reduction ratio options, mechanical or electronic controls, and optional gearbox oil cooling, the HCT400A is built to perform in demanding marine environments.

The NEW Advance HCT600A Heavy Duty Marine Gearbox 6.97:1 Reduction is a commercial marine hydraulic gearbox designed for demanding propulsion applications requiring high reduction, heavy-duty drivetrain capacity, and configurable installation options. With a 6.97:1 reduction ratio, 2100 RPM maximum input speed, 415mm drop centre, 1600kg weight, SAE0 / SAE00 adaptor plate options, mechanical or electronic controls, and an available gearbox oil cooler option, the HCT600A is suitable for commercial vessels, workboats, heavy-duty repower projects, and new marine propulsion installations.

The NEW Advance HCT600A Heavy Duty Marine Gearbox 8.66:1 Reduction is a commercial marine hydraulic gearbox designed for heavy-duty propulsion applications requiring high reduction, strong drivetrain capacity, and configurable installation options. With an 8.66:1 reduction ratio, 2100 RPM maximum input speed, 415mm drop centre, 1600kg weight, SAE0 / SAE00 adaptor plate options, mechanical or electronic controls, and an available gearbox oil cooler option, the HCT600A is suitable for commercial vessels, workboats, fleet repower projects, and new marine propulsion installations.