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Advance HCT400A Heavy Duty Marine Gearbox 6.49:1 Reduction
Advance HCT400A-649 Heavy Duty Marine Gearbox HCT400A-649 functions as a precision-engineered 6.49:1 reduction ratio as a marine propulsion transmission system for Marine Repower & High-Torque Hulls field integration.
- Propulsion Reduction Ratio: Absolute 6.49:1 Reduction Ratio.
- Operational Power Limit: 810HP (604kW) Power Capacity @ 1800 RPM.
- Regulatory Compliance: CCS / ZC Approved.
- Drive Coupling: Hydraulic (Two-Stage Reducer) Technology.
- Standard Housing Mount: SAE 0 / SAE 1 Standard Position.
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Description
Advance HCT400A 6.49:1 Gearbox
The Advance HCT400A is designed for the rigorous demands of large workboats, acting as the definitive mechanical solution for a high-capacity physical bridge to torque safety. As a premier Advance marine gearbox, this unit utilizes a 6.49:1 reduction to deliver superior hydrodynamic power for efficient long-range cruising under full load. The hardware architecture focuses on industrial-grade durability, ensuring this Advance power system maintains gear integrity even during continuous full-load engine operation in the most demanding environments.
Technology-driven mechanical control provides total protection by ensuring precise gear alignment and minimal frictional energy loss across the drivetrain. This Advance marine transmission features an industrial-grade input shaft and bearing assembly to facilitate long-term reliability in harsh salt-air environments. Reliability is reinforced by the easy-to-service mechanical layout and high-capacity hydraulic pump designed for the HCT400A series. This unit is the ideal choice for mariners prioritizing professional maritime power and heavy-load drivetrain integrity.
Key Technical Specifications
- 6.49:1 heavy duty reduction ratio.
- HCT400A industrial gearbox series.
- Oversized hydraulic clutch for torque.
- Heavy duty cast iron housing.
- Designed for continuous offshore operation.
- Integrated transmission fluid cooling system.
- High load bearing assembly design.
Advance HCT400A Two-Stage Marine Gearbox - 6.49:1 Ratio
| Brand | Advance |
| Model / SKU | HCT400A-649 |
| Country of Origin | China |
| US Support / Warranty | 1-Year Limited Warranty |
| Reduction Ratio | 6.49:1 |
| Transmission Capacity | 0.45 HP / RPM (0.33 kW / RPM) |
| Max Input Power | 810 HP (604 kW) @ 1800 RPM |
| Max Input Speed | 2100 RPM |
| Bell Housing Standard | SAE 0 / SAE 1 |
| Clutch Type | Hydraulic (Two-Stage Reducer) |
| Max Propeller Thrust | 18,434 LBF (82,000 N) |
| Center Distance | 14.76" (375 mm) |
| Oil Capacity | 7.9 Gallons (30 Liters) |
| Dry Weight | 3,197 lbs (1,450 kg) |
| Dimensions (LxWxH) | 30.9" x 39.1" x 44.5" |
| Classification / Certs | CCS / ZC Approved |
| Primary Application | Marine Repower & High-Torque Hulls |
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