Advance D300A Heavy Duty Marine Gearbox 7.06:1 Reduction

Set up a 7.06:1 commercial reduction layout with the Advance D300A Heavy Duty Marine Gearbox 7.06:1 Reduction. This heavy-duty marine transmission is specified for deep-sea trawlers and heavy tugboats, with a maximum input rating of 737 HP (550 kW) at 2,400 RPM and a maximum input speed of 2,400 RPM.

Model D300A-706 uses a hydraulic power-shift clutch and has a listed transmission capacity of 0.31 HP/RPM (0.23 kW/RPM). It is supplied with SAE 0 and SAE 00 bell housing standards, a maximum propeller-thrust rating of 15,736 lbf (70,000 N), a 13.78-inch (350 mm) center distance, and a 5.28-gallon (20-liter) oil capacity.

Fitment and Propulsion Use

The Advance D300A-706 is specified for deep-sea trawlers and heavy tugboats. It supports a propulsion configuration requiring a 7.06:1 reduction ratio, subject to confirmation of the engine’s actual rated torque, 2,400 RPM maximum input speed, SAE interface, propeller-thrust requirement, and full drivetrain arrangement. Confirm fitment using the engine model, serial number, rated torque, operating RPM, reduction ratio, and manufacturer drivetrain documentation before ordering.

Before Ordering the Advance D300A

Verify that Advance model D300A-706 fits your deep-sea trawler or heavy tugboat propulsion application. Confirm the 7.06:1 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 power-shift clutch, SAE 0/SAE 00 bell housing options, 15,736 lbf (70,000 N) maximum propeller thrust, 13.78-inch center distance, 5.28-gallon oil capacity, 36.0 x 32.5 x 45.0 inch dimensions, 1,940 lb dry weight, CCS/ZC (ABS grade) classification, and 1-year limited warranty. Confirm compatibility with your engine manufacturer’s documentation before purchase.