Advance HCT800 Heavy Duty Marine Gearbox 5.57:1 Reduction

Description

Configure deep-sea service propulsion with the Advance HCT800 Heavy Duty Marine Gearbox 5.57:1 Reduction. This two-stage marine gearbox is specified for deep-sea propulsion and service vessels, with a 5.57:1 reduction ratio, maximum input power of 1,530 HP (1,141 kW) at 1,800 RPM, and a maximum input speed of 2,100 RPM.

Model HCT800-557 pairs a hydraulic two-stage reducer clutch configuration with a listed transmission capacity of 0.85 HP/RPM (0.625 kW/RPM). The supplied specifications include SAE 00 and SAE 0 bell housing standards, 31,473 lbf (140,000 N) maximum propeller thrust, a 17.72-inch (450 mm) center distance, and a 17.1-gallon (65-liter) oil capacity.

Key Features of Advance HCT800

• 5.57:1 reduction ratio provides the listed two-stage speed-reduction configuration for drivetrain matching.
• 1,530 HP (1,141 kW) maximum input power at 1,800 RPM identifies the supplied engine-input rating.
• 2,100 RPM maximum input speed defines the stated operating-speed limit.
• 0.85 HP/RPM (0.625 kW/RPM) transmission capacity provides the listed capacity specification.
• Hydraulic two-stage reducer clutch configuration is specified for the gearbox clutch arrangement.
• SAE 00 and SAE 0 bell housing standards identify the listed engine-interface options.
• 31,473 lbf (140,000 N) maximum propeller thrust defines the stated thrust capacity.
• 17.72-inch (450 mm) center distance identifies the listed drivetrain geometry measurement.
• 17.1-gallon (65-liter) oil capacity provides the stated lubricant quantity.
• CCS and ZC approval are listed for this gearbox.

Fitment and Propulsion Use

The Advance HCT800-557 is specified for deep-sea propulsion and service vessels. It supports drivetrain arrangements requiring a 5.57:1 reduction ratio, with engine input limited to the listed 1,530 HP at 1,800 RPM rating and 2,100 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 00 or SAE 0 bell housing connection and verify engine-to-gearbox alignment, shaft geometry, propeller-thrust requirements, and available structural space before installation. Allow for the 41.6 x 50.4 x 56.1 inch housing, 5,952 lb dry weight, and 17.72-inch center distance. The listed oil capacity is 17.1 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 HCT800

Verify that Advance model HCT800-557 matches your deep-sea service-vessel propulsion requirements. Confirm the 5.57:1 reduction ratio, 0.85 HP/RPM (0.625 kW/RPM) transmission capacity, 1,530 HP (1,141 kW) maximum input power at 1,800 RPM, 2,100 RPM maximum input speed, hydraulic two-stage reducer clutch configuration, SAE 00/SAE 0 bell housing options, 31,473 lbf (140,000 N) maximum propeller thrust, 17.72-inch center distance, 17.1-gallon oil capacity, 41.6 x 50.4 x 56.1 inch dimensions, 5,952 lb dry weight, CCS/ZC approval, and 1-year limited warranty. Confirm compatibility with your engine manufacturer’s documentation before purchase.