
Advance HCD800 Heavy Duty Marine Gearbox 3.42:1 Reduction
Engineered for high-torque push-boats, the 2250 kg Advance HCD800-342 marine reduction gear transmission converts 1530 HP input at 1800 RPM through a 3.42:1 ratio to drive large commercial propeller shafts.
- 3.42:1 ratio matches heavy service vessels.
- Input speed peaks at 2100 RPM.
- Hydraulic multi-disc clutch prevents slippage.
- Center distance spans 450 mm spacing.
- Massive transmission body weighs 2250 kg.
Match a push-boat drivetrain with the Advance HCD800 Heavy Duty Marine Gearbox 3.42:1 Reduction. This deep-case marine gearbox is specified for push-boats and high-torque service vessels, with a 3.42:1 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 HCD800-342 pairs a hydraulic multi-disc clutch with a listed transmission capacity of 0.85 HP/RPM (0.625 kW/RPM). the listed product data identifies SAE 00 and SAE 0 bell housing standards, 24,729 lbf (110,000 N) maximum propeller thrust, a 17.72-inch (450 mm) center distance, and a 13.2-gallon (50-liter) oil capacity.
Fitment and Propulsion Use
The Advance HCD800-342 is specified for push-boats and high-torque service vessels. It supports a propulsion layout requiring a 3.42:1 reduction ratio, within the listed 1,530 HP maximum input rating at 1,800 RPM 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 HCD800
Verify that Advance model HCD800-342 matches your push-boat or high-torque service-vessel propulsion system. Confirm the 3.42:1 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 multi-disc clutch, SAE 00/SAE 0 bell housing options, 24,729 lbf (110,000 N) maximum propeller thrust, 17.72-inch center distance, 13.2-gallon oil capacity, 41.6 x 50.4 x 52.8 inch dimensions, 4,960 lb dry weight, CCS/ZC (ABS grade) classification, and 1-year limited warranty. Confirm compatibility with your engine manufacturer’s documentation before purchase.
Product Specifications
Advance HCD800 Deep Case Marine Gearbox - 3.42:1 Ratio
| Brand | Advance |
|---|---|
| Model / SKU | HCD800-342 |
| Country of Origin | China |
| US Support / Warranty | 1-Year Limited Warranty |
| Reduction Ratio | 3.42:1 |
| 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 Multi-disc |
| Max Propeller Thrust | 24,729 LBF (110,000 N) |
| Center Distance | 17.72" (450 mm) |
| Oil Capacity | 13.2 Gallons (50 Liters) |
| Dry Weight | 4,960 lbs (2,250 kg) |
| Dimensions (LxWxH) | 41.6" x 50.4" x 52.8" |
| Classification / Certs | CCS / ZC (ABS Grade) |
| Primary Application | Push-Boats & High-Torque Service Vessels |
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