Advance HCT400A Heavy Duty Marine Gearbox 6.09:1 Reduction

Description

Match a 6.09:1 reduction requirement with the Advance HCT400A Heavy Duty Marine Gearbox 6.09:1 Reduction. This specialized marine transmission is specified for heavy-displacement trawlers and tugboats, with a maximum input rating of 450 HP (335 kW) at 1,800 RPM and a maximum input speed of 1,800 RPM.

Model HCT400A-609 uses a hydraulic power-shift clutch and provides a listed transmission capacity of 0.25 HP/RPM (0.19 kW/RPM). Its supplied drivetrain configuration includes SAE 0 and SAE 1 bell housing standards, 20,232 lbf (90,000 N) maximum propeller thrust, a 14.17-inch (360 mm) center distance, and a 7.92-gallon (30-liter) oil capacity.

Key Features of Advance HCT400A

• 6.09:1 reduction ratio identifies the listed speed-reduction configuration for propulsion-system matching.
• 450 HP (335 kW) maximum input power at 1,800 RPM defines the listed engine-input rating.
• 1,800 RPM maximum input speed identifies the listed operating-speed limit.
• 0.25 HP/RPM (0.19 kW/RPM) transmission capacity provides the listed capacity specification.
• Hydraulic power-shift clutch identifies the listed clutch arrangement.
• SAE 0 and SAE 1 bell housing standards define the listed engine-interface options.
• 20,232 lbf (90,000 N) maximum propeller thrust provides the listed thrust rating.
• 14.17-inch (360 mm) center distance supports verification of drivetrain geometry.
• 7.92-gallon (30-liter) oil capacity identifies the listed lubricant fill quantity.
• 36.2 x 41.3 x 42.0 inch dimensions and 2,094 lb dry weight support installation-space and handling planning.

Fitment and Propulsion Use

The Advance HCT400A-609 is specified for heavy-displacement trawlers and tugboats. It supports propulsion systems requiring a 6.09:1 reduction ratio, subject to matching the engine’s rated torque, operating RPM, SAE 0 or SAE 1 bell housing interface, propeller-thrust requirement, and complete shaft arrangement. Confirm fitment using the engine model, serial number, rated torque, operating RPM, reduction ratio, and manufacturer drivetrain documentation before ordering.

Installation and Service Considerations

Verify the SAE 0 or SAE 1 bell housing interface and confirm that the vessel structure, engine alignment, and propeller-shaft geometry accommodate the 14.17-inch center distance, 36.2 x 41.3 x 42.0 inch housing, and 2,094 lb dry weight. the listed data lists a 7.92-gallon oil capacity. Follow the engine and gearbox manufacturer’s installation manuals and product instructions for alignment, lubrication, controls, cooling connections, and service procedures.

Before Ordering the Advance HCT400A

Verify that Advance model HCT400A-609 is correct for your heavy-displacement trawler or tugboat propulsion system. Confirm the 6.09:1 reduction ratio, 0.25 HP/RPM (0.19 kW/RPM) transmission capacity, 450 HP (335 kW) maximum input power at 1,800 RPM, 1,800 RPM maximum input speed, hydraulic power-shift clutch, SAE 0/SAE 1 bell housing options, 20,232 lbf (90,000 N) maximum propeller thrust, 14.17-inch center distance, 7.92-gallon oil capacity, 36.2 x 41.3 x 42.0 inch dimensions, 2,094 lb dry weight, CCS/ZC approval, and 1-year limited warranty. Confirm compatibility with your engine manufacturer’s documentation before purchase.