Advance HC400 Heavy Duty Marine Gearbox 2.04:1 Reduction

Description

Match patrol-boat drivetrain requirements with the Advance HC400 Heavy Duty Marine Gearbox 2.04:1 Reduction. This heavy-duty marine transmission is specified for patrol boats and rapid-response vessels, with a 2.04:1 reduction ratio, maximum input power of 810 HP (604 kW) at 1,800 RPM, and a maximum input speed of 1,800 RPM.

Model HC400-204 pairs a hydraulic multi-disc clutch with a listed transmission capacity of 0.45 HP/RPM (0.331 kW/RPM). the listed specifications include SAE 0 and SAE 1 bell housing standards, 18,434 lbf (82,000 N) maximum propeller thrust, a 10.39-inch (264 mm) center distance, and a 6.07-gallon (23-liter) oil capacity.

Key Features of Advance HC400

• 2.04:1 reduction ratio provides the listed speed-reduction configuration for drivetrain matching.
• 810 HP (604 kW) maximum input power at 1,800 RPM identifies the listed engine-input rating.
• 1,800 RPM maximum input speed defines the listed operating-speed limit.
• 0.45 HP/RPM (0.331 kW/RPM) transmission capacity provides the listed capacity specification.
• Hydraulic multi-disc clutch is specified for the transmission clutch configuration.
• SAE 0 and SAE 1 bell housing standards identify the listed engine-interface options.
• 18,434 lbf (82,000 N) maximum propeller thrust defines the listed thrust capacity.
• 10.39-inch (264 mm) center distance identifies the listed drivetrain geometry measurement.
• 6.07-gallon (23-liter) oil capacity provides the listed lubricant quantity.
• CCS and ZC approval are listed for this gearbox.

Fitment and Propulsion Use

The Advance HC400-204 is specified for patrol boats and rapid-response vessels. It supports drivetrain arrangements requiring a 2.04:1 reduction ratio, with engine input limited to the listed 810 HP at 1,800 RPM rating and 1,800 RPM maximum input speed. Confirm fitment using the engine model, serial number, rated torque, operating RPM, reduction ratio, and manufacturer drivetrain documentation before ordering.

Installation and Service Considerations

Confirm the correct SAE 0 or SAE 1 bell housing connection and verify engine-to-gearbox alignment, shaft geometry, propeller-thrust requirements, and available structural space before installation. Allow for the 33.2 x 37.4 x 35.0 inch housing, 1,807 lb dry weight, and 10.39-inch center distance. The listed oil capacity is 6.07 gallons. 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 HC400

Verify that Advance model HC400-204 matches your patrol boat or rapid-response vessel propulsion requirements. Confirm the 2.04:1 reduction ratio, 0.45 HP/RPM (0.331 kW/RPM) transmission capacity, 810 HP (604 kW) maximum input power at 1,800 RPM, 1,800 RPM maximum input speed, hydraulic multi-disc clutch, SAE 0/SAE 1 bell housing options, 18,434 lbf (82,000 N) maximum propeller thrust, 10.39-inch center distance, 6.07-gallon oil capacity, 33.2 x 37.4 x 35.0 inch dimensions, 1,807 lb dry weight, CCS/ZC approval, and 1-year limited warranty. Confirm compatibility with your engine manufacturer’s documentation before purchase.