Advance HC400 Heavy Duty Marine Gearbox 1.77:1 Reduction

Managing high-speed passenger ferry propulsion lines, the 820 kg Advance HC400-177 hydraulic marine transmission gearbox handles 810 HP at 1800 RPM with an efficient 1.77:1 ratio during daily transit schedules.

1.77:1 ratio powers fast ferry hulls.
Input speed peaks at 1800 RPM.
Hydraulic control ensures dependable rapid reversing.
Center distance measures 264 mm spacing.
Total dry weight reaches 820 kg.

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Category: Marine Gearbox Brand: Advance SKU: ADV-HC400-177

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Set up a lower-ratio patrol or ferry drivetrain with the Advance HC400 Heavy Duty Marine Gearbox 1.77:1 Reduction. This heavy-duty marine transmission is specified for patrol boats and high-speed passenger ferries, with a 1.77:1 reduction ratio, maximum input power of 810 HP (604 kW) at 1,800 RPM, and a maximum input speed of 1,800 RPM.

Model HC400-177 uses a hydraulic multi-disc clutch and has a listed transmission capacity of 0.45 HP/RPM (0.331 kW/RPM). Its supplied drivetrain configuration includes 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.

Fitment and Propulsion Use

The Advance HC400-177 is specified for patrol boats and high-speed passenger ferries. It supports propulsion systems requiring a 1.77:1 reduction ratio, subject to verification of engine rated torque, actual operating RPM, SAE bell housing interface, propeller-thrust requirement, and the complete 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 HC400

Verify that Advance model HC400-177 is correct for your patrol boat or high-speed passenger-ferry propulsion application. Confirm the 1.77:1 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.

Product Specifications

Advance HC400 Heavy Duty Marine Transmission - 1.77:1 Ratio

Brand	Advance
Model / SKU	HC400-177
Country of Origin	China
US Support / Warranty	1-Year Limited Warranty
Reduction Ratio	1.77:1
Transmission Capacity	0.45 HP / RPM (0.331 kW / RPM)
Max Input Power	810 HP (604 kW) @ 1800 RPM
Max Input Speed	1800 RPM
Bell Housing Standard	SAE 0 / SAE 1
Clutch Type	Hydraulic Multi-disc
Max Propeller Thrust	18,434 LBF (82,000 N)
Center Distance	10.39" (264 mm)
Oil Capacity	6.07 Gallons (23 Liters)
Dry Weight	1,807 lbs (820 kg)
Dimensions (LxWxH)	33.2" x 37.4" x 35.0"
Classification / Certs	CCS / ZC Approved
Primary Application	Patrol Boats & High-Speed Passenger Ferries