Advance 120C Heavy Duty Marine Gearbox 1.48:1 Reduction
Running high-speed ferry routes, the 220 kg Advance 120C-148 commercial vessel marine transmission pairs a 1.48:1 ratio with 295 HP capacity at 2500 RPM to maintain rapid transit schedules reliably.
- 1.48:1 reduction powers high speed ferries.
- 2500 RPM input handles marine diesels.
- Multi-disc clutch prevents severe gear wear.
- Heavy casing absorbs high propeller thrust.
- SAE flanges match standard marine engines.
$3,415.28
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Specify a 1.48:1 reduction configuration with the Advance 120C Heavy Duty Marine Gearbox 1.48:1 Reduction. This heavy-duty marine transmission is specified for high-speed ferry and service-boat applications, with a maximum input rating of 295 HP (220 kW) at 2,500 RPM and a maximum input speed of 2,500 RPM.
Model 120C-148 combines a hydraulic multi-disc clutch with a listed transmission capacity of 0.12 HP/RPM (0.088 kW/RPM). Its supplied drivetrain data includes SAE 1, SAE 2, and SAE 3 bell housing standards, 4,496 lbf (20,000 N) maximum propeller thrust, and an 8.03-inch (204 mm) center distance.
Fitment and Propulsion Use
The Advance 120C-148 is specified for high-speed ferry and service-boat applications. It supports propulsion installations requiring a 1.48:1 reduction ratio, subject to matching the listed 295 HP input rating at 2,500 RPM, actual engine torque, bell housing interface, propeller-thrust requirement, and vessel 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 120C
Verify that Advance model 120C-148 is correct for your high-speed ferry or service-boat propulsion configuration. Confirm the 1.48:1 reduction ratio, 0.12 HP/RPM (0.088 kW/RPM) transmission capacity, 295 HP (220 kW) maximum input power at 2,500 RPM, 2,500 RPM maximum input speed, hydraulic multi-disc clutch, SAE 1/SAE 2/SAE 3 bell housing options, 4,496 lbf (20,000 N) maximum propeller thrust, 8.03-inch center distance, 2.64-gallon oil capacity, 23.0 x 21.2 x 26.0 inch dimensions, 485 lb dry weight, CCS/ZC (ABS equivalent) classification, and 1-year limited warranty. Confirm compatibility with your engine manufacturer’s documentation before purchase.
Product Specifications
Advance 120C Heavy Duty Marine Transmission - 1.48:1 Ratio
| Brand | Advance |
|---|---|
| Model / SKU | 120C-148 |
| Country of Origin | China |
| US Support / Warranty | 1-Year Limited Warranty |
| Reduction Ratio | 1.48:1 |
| Transmission Capacity | 0.12 HP / RPM (0.088 kW / RPM) |
| Max Input Power | 295 HP (220 kW) @ 2500 RPM |
| Max Input Speed | 2500 RPM |
| Bell Housing Standard | SAE 1 / SAE 2 / SAE 3 |
| Clutch Type | Hydraulic Multi-disc |
| Max Propeller Thrust | 4,496 LBF (20,000 N) |
| Center Distance | 8.03" (204 mm) |
| Oil Capacity | 2.64 Gallons (10 Liters) |
| Dry Weight | 485 lbs (220 kg) |
| Dimensions (LxWxH) | 23.0" x 21.2" x 26.0" |
| Classification / Certs | CCS / ZC (ABS Equivalent) |
| Primary Application | High-speed Ferry / Service Boats |
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