The PRM 90 gearbox is a reliable solution for marine applications in leisure and light commercial use.
Designed to ensure durability and ease of operation, it is suitable for installations requiring higher power compared to more compact models.
DESCRIPTION:
PRM mechanical gearboxes are designed to provide reliability and ease of maintenance.
The PRM 90 model uses a cone clutch system that does not require adjustment, ensuring simple and efficient operation over time.
SPECIFICATIONS:
Type: Mechanical
Application: Marine
Use: Leisure and light commercial
System: Cone clutch (no adjustment required)
For correct gearbox selection, it is recommended to always verify technical specifications and compatibility with the installed engine.
Documentation:
prm-90-technical data sheet (en).pdfprm-90-manual-en.pdfprm-90-drawing.pdf
Technical data and operating limits
PRM 90 rated power
| Model | Ratio | Pleasure (kW) | Light commercial (kW) |
| 90D2 | 2,04:1 | 0,94 | 0,62 |
| 902,5 | 2,50:1 | 0,82 | 0.54 |
Maximum input power: 37 kW – Maximum speed: 5000 rpm
The values are expressed in kW according to the manufacturer’s specifications.
For small diesel engines between 3000 and 4000 rpm, these values can be used as a reference for gearbox selection.
Torque (Nm) depends on engine speed and is not a fixed value.
The PRM 90 gearbox is one of the most widely used solutions for small and medium marine installations.