Advance 300 Heavy Duty Marine Gearbox 3.53:1 Reduction

Description

Configure coastal working propulsion with the Advance 300 Heavy Duty Marine Gearbox 3.53:1 Reduction. This heavy-duty marine transmission is specified for coastal freighters and large fishing boats, with a 3.53:1 reduction ratio, maximum input power of 737 HP (550 kW) at 2,400 RPM, and a maximum input speed of 2,400 RPM.

Model ADV300-353 has a hydraulic multi-disc clutch and a listed transmission capacity of 0.31 HP/RPM (0.23 kW/RPM). the listed gearbox configuration includes SAE 0 and SAE 1 bell housing standards, 11,240 lbf (50,000 N) maximum propeller thrust, a 10.63-inch (270 mm) center distance, and a 4.22-gallon (16-liter) oil capacity.

Key Features of Advance 300

• 3.53:1 reduction ratio identifies the listed speed-reduction configuration for propulsion-system matching.
• 737 HP (550 kW) maximum input power at 2,400 RPM defines the listed engine-input rating.
• 2,400 RPM maximum input speed provides the listed operating-speed limit.
• 0.31 HP/RPM (0.23 kW/RPM) transmission capacity identifies the listed capacity specification.
• Hydraulic multi-disc clutch provides the listed clutch configuration.
• SAE 0 and SAE 1 bell housing standards define the listed engine-interface options.
• 11,240 lbf (50,000 N) maximum propeller thrust provides the listed thrust capacity.
• 10.63-inch (270 mm) center distance supports verification of installed drivetrain geometry.
• 4.22-gallon (16-liter) oil capacity identifies the listed lubricant fill quantity.
• CCS and ZC approval are listed for this marine transmission.

Fitment and Propulsion Use

The Advance ADV300-353 is specified for coastal freighters and large fishing boats. It supports propulsion layouts requiring a 3.53:1 reduction ratio, subject to confirmation of the engine’s rated torque, 2,400 RPM maximum input speed, SAE 0 or SAE 1 bell housing interface, propeller-thrust requirement, and complete propulsion-system geometry. 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 interface before installation and verify engine-to-gearbox alignment, shaft layout, structural mounting, and available service clearance. Account for the listed 31.5 x 28.5 x 38.0 inch dimensions, 1,433 lb dry weight, and 10.63-inch center distance. the listed oil capacity is 4.22 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 300

Verify that Advance model ADV300-353 is appropriate for your coastal freighter or large fishing-boat propulsion system. Confirm the 3.53:1 reduction ratio, 0.31 HP/RPM (0.23 kW/RPM) transmission capacity, 737 HP (550 kW) maximum input power at 2,400 RPM, 2,400 RPM maximum input speed, hydraulic multi-disc clutch, SAE 0/SAE 1 bell housing options, 11,240 lbf (50,000 N) maximum propeller thrust, 10.63-inch center distance, 4.22-gallon oil capacity, 31.5 x 28.5 x 38.0 inch dimensions, 1,433 lb dry weight, CCS/ZC approval, and 1-year limited warranty. Confirm compatibility with your engine manufacturer’s documentation before purchase.