Advance HC138 Heavy Duty Marine Gearbox 3.00:1 Reduction
Positioned inside mid-sized trawler engine rooms, the 380 kg Advance HC138-300 marine reduction gear transmission steps down 460 HP at 2500 RPM with a 3.00:1 ratio for continuous propulsion.
- 3.00:1 ratio drives mid sized trawlers.
- Input speed handles up to 2500 RPM.
- Hydraulic clutch eliminates manual gear slippage.
- Bell housing fits standard SAE sizes.
- Sturdy cast iron case weighs 380kg.
$3,779.95
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Configure mid-sized trawler propulsion with the Advance HC138 Heavy Duty Marine Gearbox 3.00:1 Reduction. This heavy-duty marine transmission is specified for mid-sized trawlers and workboats, with a 3.00:1 reduction ratio, maximum input power of 460 HP (345 kW) at 2,500 RPM, and a maximum input speed of 2,500 RPM.
Model HC138-300 uses a hydraulic multi-disc clutch and provides a listed transmission capacity of 0.18 HP/RPM (0.138 kW/RPM). Its supplied drivetrain configuration 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 HC138-300 is specified for mid-sized trawlers and workboats. It supports propulsion configurations requiring a 3.00:1 reduction ratio, within the listed 460 HP maximum input rating at 2,500 RPM and 2,500 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 HC138
Verify that Advance model HC138-300 matches your mid-sized trawler or workboat propulsion system. Confirm the 3.00:1 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 - 3.00:1 Ratio
| Brand | Advance |
|---|---|
| Model / SKU | HC138-300 |
| Country of Origin | China |
| US Support / Warranty | 1-Year Limited Warranty |
| Reduction Ratio | 3.00:1 |
| 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 | Mid-Sized Trawlers & Workboats |
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