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PRM 60 D1.5 1.52:1 Marine Gearbox
Running high-speed river tenders and launches, the 6 kg PRM PRM60-D1.5 inboard boat transmission gearbox converts 33 HP input at 5000 RPM through a compact 1.52:1 offset reduction gear set.
- 1.52:1 reduction powers fast river tenders.
- Input speed handles up to 5000 RPM.
- Mechanical cone clutch ensures crisp shifting.
- Offset output design saves engine space.
- Ultra-compact chassis weighs only 6 kg.
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Description
Match a lower reduction ratio with the PRM 60 D1.5 1.52:1 Marine Gearbox. This marine gearbox is specified for high-speed launches and river tenders, with a 1.52:1 reduction ratio and a parallel output configuration with offset.
Model PRM60-D1.5 uses a mechanical cone clutch and has a maximum pleasure-use input rating of 33 HP (25 kW) at 5,000 RPM. Its separate continuous-duty input rating is 10 HP (7.5 kW) at 3,000 RPM. The supplied service data lists ATF Dexron II or III, a 0.20-liter oil capacity, and a dry weight of 13 lb (6 kg).
Key Features of PRM 60 D1.5
- 1.52:1 reduction ratio identifies the listed speed-reduction configuration for drivetrain matching.
- Parallel output with offset defines the supplied output-shaft arrangement.
- 33 HP (25 kW) maximum pleasure-use input rating at 5,000 RPM provides the stated pleasure-duty limit.
- 10 HP (7.5 kW) maximum continuous input rating at 3,000 RPM identifies the listed continuous-duty limit.
- Mechanical cone clutch identifies the specified clutch design.
- ATF Dexron II or III is the listed service oil type.
- 0.20-liter oil capacity provides the stated lubricant fill quantity.
- 13 lb (6 kg) dry weight supports installation and handling planning.
- Specified application for high-speed launches and river tenders helps identify the intended vessel category.
Fitment and Propulsion Use
The PRM 60 D1.5 is specified for high-speed launches and river tenders. It supports propulsion systems requiring a 1.52:1 reduction ratio and a parallel offset output configuration. The listed pleasure-use and continuous-duty ratings apply at different engine speeds, so verify the actual engine output, transmission interface, shaft geometry, and vessel-duty profile before ordering. Confirm fitment using the engine model, serial number, rated torque, operating RPM, reduction ratio, and manufacturer drivetrain documentation before ordering.
Installation and Service Considerations
Verify that the parallel offset output configuration, 1.52:1 reduction ratio, engine power rating, and available installation geometry match the vessel drivetrain. Use only the listed ATF Dexron II or III oil and 0.20-liter oil capacity as directed by the manufacturer’s documentation. Follow the engine and gearbox manufacturer’s installation manuals and product instructions for alignment, lubrication, controls, cooling connections, and service procedures.
Before Ordering the PRM 60 D1.5
Verify that PRM Marine model PRM60-D1.5 matches your high-speed launch or river-tender propulsion system. Confirm the 1.52:1 reduction ratio, parallel offset output configuration, 33 HP (25 kW) maximum pleasure rating at 5,000 RPM, 10 HP (7.5 kW) maximum continuous rating at 3,000 RPM, mechanical cone clutch, ATF Dexron II or III oil requirement, 0.20-liter oil capacity, and 13 lb (6 kg) dry weight. Confirm compatibility with your engine manufacturer’s documentation before purchase.
PRM 60 D1.5 Marine Gearbox - 1.52:1 Ratio
| Brand | PRM Marine |
| Model / SKU | PRM60-D1.5 |
| Country of Origin | United Kingdom |
| Output Configuration | Parallel (Offset) |
| Reduction Ratio | 1.52:1 |
| Max Input Power (Pleasure) | 33 HP (25 kW) @ 5000 RPM |
| Max Input Power (Continuous) | 10 HP (7.5 kW) @ 3000 RPM |
| Clutch Type | Mechanical Cone Clutch |
| Oil Capacity | 0.20 Liters |
| Oil Type | ATF (Dexron II or III) |
| Dry Weight | 13 lbs (6 kg) |
| Primary Application | High-Speed Launches & River Tenders |
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