Advance HCT800 Heavy Duty Marine Gearbox 5.57:1 Reduction
Positioned inside deep-sea service vessel engine rooms, the 2700 kg Advance HCT800-557 commercial vessel marine transmission converts 1530 HP input at 1800 RPM through a rugged 5.57:1 reduction gear set.
- 5.57:1 ratio drives deep sea vessels.
- 1800 RPM input matches heavy diesels.
- Two-stage clutch eliminates severe gear shock.
- Center distance spans 450 mm spacing.
- Total dry weight reaches 2700 kg.
$25,724.56
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Configure deep-sea service propulsion with the Advance HCT800 Heavy Duty Marine Gearbox 5.57:1 Reduction. This two-stage marine gearbox is specified for deep-sea propulsion and service vessels, with a 5.57:1 reduction ratio, maximum input power of 1,530 HP (1,141 kW) at 1,800 RPM, and a maximum input speed of 2,100 RPM.
Model HCT800-557 pairs a hydraulic two-stage reducer clutch configuration with a listed transmission capacity of 0.85 HP/RPM (0.625 kW/RPM). The supplied specifications include SAE 00 and SAE 0 bell housing standards, 31,473 lbf (140,000 N) maximum propeller thrust, a 17.72-inch (450 mm) center distance, and a 17.1-gallon (65-liter) oil capacity.
Fitment and Propulsion Use
The Advance HCT800-557 is specified for deep-sea propulsion and service vessels. It supports drivetrain arrangements requiring a 5.57:1 reduction ratio, with engine input limited to the listed 1,530 HP at 1,800 RPM rating and 2,100 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 HCT800
Verify that Advance model HCT800-557 matches your deep-sea service-vessel propulsion requirements. Confirm the 5.57:1 reduction ratio, 0.85 HP/RPM (0.625 kW/RPM) transmission capacity, 1,530 HP (1,141 kW) maximum input power at 1,800 RPM, 2,100 RPM maximum input speed, hydraulic two-stage reducer clutch configuration, SAE 00/SAE 0 bell housing options, 31,473 lbf (140,000 N) maximum propeller thrust, 17.72-inch center distance, 17.1-gallon oil capacity, 41.6 x 50.4 x 56.1 inch dimensions, 5,952 lb dry weight, CCS/ZC approval, and 1-year limited warranty. Confirm compatibility with your engine manufacturer’s documentation before purchase.
Product Specifications
Advance HCT800 Two-Stage Marine Gearbox - 5.57:1 Ratio
| Brand | Advance |
|---|---|
| Model / SKU | HCT800-557 |
| Country of Origin | China |
| US Support / Warranty | 1-Year Limited Warranty |
| Reduction Ratio | 5.57:1 |
| Transmission Capacity | 0.85 HP / RPM (0.625 kW / RPM) |
| Max Input Power | 1,530 HP (1,141 kW) @ 1800 RPM |
| Max Input Speed | 2100 RPM |
| Bell Housing Standard | SAE 00 / SAE 0 |
| Clutch Type | Hydraulic (Two-Stage Reducer) |
| Max Propeller Thrust | 31,473 LBF (140,000 N) |
| Center Distance | 17.72" (450 mm) |
| Oil Capacity | 17.1 Gallons (65 Liters) |
| Dry Weight | 5,952 lbs (2,700 kg) |
| Dimensions (LxWxH) | 41.6" x 50.4" x 56.1" |
| Classification / Certs | CCS / ZC Approved |
| Primary Application | Deep-Sea Propulsion & Service Vessels |
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