Advance HC400 Heavy Duty Marine Gearbox 2.04:1 Reduction
Running high-speed patrol vessel operations, the 820 kg Advance HC400-204 commercial vessel marine transmission converts 810 HP input at 1800 RPM through a 2.04:1 reduction gear set.
- 2.04:1 reduction drives rapid response vessels.
- 1800 RPM input matches modern diesels.
- Multi-disc clutch locks smoothly under throttle.
- Internal reservoir holds 23 liters oil.
- Standard bell housing fits SAE sizes.
$8,481.60
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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.
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.
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.
Product Specifications
Advance HC400 Heavy Duty Marine Transmission - 2.04:1 Ratio
| Brand | Advance |
|---|---|
| Model / SKU | HC400-204 |
| Country of Origin | China |
| US Support / Warranty | 1-Year Limited Warranty |
| Reduction Ratio | 2.04:1 |
| 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 & Rapid Response Vessels |
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