Advance HC138 Heavy Duty Marine Gearbox 3.57:1 Reduction
Delivering 460 HP input power at 2500 RPM, the 380 kg Advance HC138-357 hydraulic marine transmission gearbox provides a 3.57:1 reduction ratio to handle high-torque commercial workboat propulsion demands.
- 3.57:1 ratio drives high torque workboats.
- Max input power reaches 460 HP.
- Integrated bearing takes 35000 N thrust.
- Oil reservoir holds 12 liters fluid.
- Durable gear unit weighs 380 kg.
$4,002.30
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Set up a high-torque workboat drivetrain with the Advance HC138 Heavy Duty Marine Gearbox 3.57:1 Reduction. This heavy-duty marine transmission is specified for marine repower and high-torque workboats, with a 3.57:1 reduction ratio, maximum input power of 460 HP (345 kW) at 2,500 RPM, and a maximum input speed of 2,500 RPM.
Model HC138-357 has a hydraulic multi-disc clutch and a listed transmission capacity of 0.18 HP/RPM (0.138 kW/RPM). the listed drivetrain data includes SAE 1 and SAE 2 bell housing standards, 7,868 lbf (35,000 N) maximum propeller thrust, an 8.86-inch (225 mm) center distance, and a 3.17-gallon (12-liter) oil capacity.
Fitment and Propulsion Use
The Advance HC138-357 is specified for marine repower and high-torque workboats. It supports propulsion systems requiring a 3.57:1 reduction ratio, subject to verification of engine rated torque, actual operating RPM, SAE bell housing interface, propeller-thrust requirement, and the complete drivetrain arrangement. Confirm fitment using the engine model, serial number, rated torque, operating RPM, reduction ratio, and manufacturer drivetrain documentation before ordering.
Before Ordering the Advance HC138
Verify that Advance model HC138-357 is correct for your marine repower or high-torque workboat propulsion application. Confirm the 3.57:1 reduction ratio, 0.18 HP/RPM (0.138 kW/RPM) transmission capacity, 460 HP (345 kW) maximum input power at 2,500 RPM, 2,500 RPM maximum input speed, hydraulic multi-disc clutch, SAE 1/SAE 2 bell housing options, 7,868 lbf (35,000 N) maximum propeller thrust, 8.86-inch center distance, 3.17-gallon oil capacity, 25.5 x 24.0 x 31.0 inch dimensions, 837 lb dry weight, CCS/ZC approval, and 1-year limited warranty. Confirm compatibility with your engine manufacturer’s documentation before purchase.
Product Specifications
Advance HC138 Heavy Duty Marine Transmission - 3.57:1 Ratio
| Brand | Advance |
|---|---|
| Model / SKU | HC138-357 |
| Country of Origin | China |
| US Support / Warranty | 1-Year Limited Warranty |
| Reduction Ratio | 3.57:1 |
| Transmission Capacity | 0.18 HP / RPM (0.138 kW / RPM) |
| Max Input Power | 460 HP (345 kW) @ 2500 RPM |
| Max Input Speed | 2500 RPM |
| Bell Housing Standard | SAE 1 / SAE 2 |
| Clutch Type | Hydraulic Multi-disc |
| Max Propeller Thrust | 7,868 LBF (35,000 N) |
| Center Distance | 8.86" (225 mm) |
| Oil Capacity | 3.17 Gallons (12 Liters) |
| Dry Weight | 837 lbs (380 kg) |
| Dimensions (LxWxH) | 25.5" x 24.0" x 31.0" |
| Classification / Certs | CCS / ZC Approved |
| Primary Application | Marine Repower & High-Torque Workboats |
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