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Advance HCD400A Heavy Duty Marine Gearbox 4.47:1 Reduction
Advance HCD400A Heavy Duty Marine Gearbox HCD400A-447 integrates a 4.47:1 reduction ratio as a marine propulsion transmission system for heavy workboat field integration.
- Gear Reduction Ratio: Absolute 4.47:1 Reduction Ratio.
- Continuous Power Rating: 810HP (604kW) Power Capacity.
- Marine Class Approval: CCS ZC Approved Standards.
- Clutch Engagement: Hydraulic Multi-disc Records.
- Engine Flywheel Housing: SAE 0 Standard Position.
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Description
Advance HCD400A 4.47:1 Gearbox
Delivering exceptional responsiveness for mid-to-high displacement vessels, the Advance HCD400A serves as the definitive mechanical solution for a direct physical bridge to propulsion safety. As a premier Advance marine gearbox, this unit utilizes a 4.47:1 reduction to provide superior hydrodynamic engine response during critical maneuvering. The hardware architecture focuses on technical responsiveness, ensuring this Advance power system provides precise clutch engagement for heavy-duty operations in restricted maritime waterways.
Technology-driven mechanical performance provides total protection through a heavy-duty cooling jacket that prevents thermal breakdown of transmission fluid. This Advance marine transmission features a simplified mechanical interface to facilitate rapid maintenance and inspection protocols. Reliability is reinforced by the high-torque internal framework and vibration-resistant mounting points. This unit is the premier choice for mariners prioritizing professional maritime power and maximum engine-to-propeller responsiveness.
Key Technical Specifications
- 4.47:1 rapid response reduction ratio.
- HCD400A heavy duty transmission frame.
- Instantaneous hydraulic clutch engagement system.
- Integrated high capacity oil cooler.
- Simplified mechanical maintenance access points.
- High efficiency power transfer rating.
- Corrosion resistant external casing finish.
Advance HCD400A Deep Case Marine Gearbox - 4.47:1 Ratio
| Brand | Advance |
| Model / SKU | HCD400A-447 |
| Country of Origin | China |
| US Support / Warranty | 1-Year Limited Warranty |
| Reduction Ratio | 4.47:1 |
| 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 | 13.98" (355 mm) |
| Oil Capacity | 7.4 Gallons (28 Liters) |
| Dry Weight | 2,425 lbs (1100 kg) |
| Dimensions (LxWxH) | 33.2" x 39.8" x 42.0" |
| Classification / Certs | CCS / ZC Approved |
| Primary Application | Marine Repower & Heavy Workboats |
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