Volvo Penta HS25A 2.71 Marine Gearbox

Description

Match fast powerboat propulsion with the Volvo Penta HS25A 2.71 Marine Gearbox. This marine gearbox is specified for fast powerboats and motor yachts, with a 2.71:1 reduction ratio and an 8-degree down-angle output configuration.

Model VP-HS25A-271 uses a hydraulic multi-disc clutch and has a maximum input rating of 150 HP (112 kW) at 3,800 RPM. The supplied service data lists ATF Dexron II or III, a 1.8-liter oil capacity, and a dry weight of 62 lb (28 kg).

Key Features of Volvo Penta HS25A

• 2.71:1 reduction ratio identifies the listed speed-reduction configuration for drivetrain matching.
• 8-degree down-angle output configuration defines the supplied shaft-angle arrangement.
• 150 HP (112 kW) maximum input rating at 3,800 RPM provides the stated engine-input limit.
• Hydraulic multi-disc clutch identifies the supplied clutch configuration.
• ATF Dexron II or III is the listed service oil type.
• 1.8-liter oil capacity identifies the stated lubricant fill quantity.
• 62 lb (28 kg) dry weight supports installation and handling planning.
• Specified application for fast powerboats and motor yachts helps identify the intended vessel category.

Fitment and Propulsion Use

The Volvo Penta HS25A 2.71 is specified for fast powerboats and motor yachts. It supports propulsion systems requiring a 2.71:1 reduction ratio and an 8-degree down-angle output configuration. Confirm the exact engine model, serial number, rated torque, operating RPM, shaft angle, shaft rotation, and installation interface before ordering.

Installation and Service Considerations

Verify that the 8-degree down-angle output configuration, 2.71:1 reduction ratio, 150 HP input rating at 3,800 RPM, and vessel driveline geometry match the planned installation. Use only the listed ATF Dexron II or III oil and 1.8-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 Volvo Penta HS25A

Verify that Volvo Penta model VP-HS25A-271 matches your fast powerboat or motor-yacht propulsion system. Confirm the 2.71:1 reduction ratio, 8-degree down-angle output configuration, 150 HP (112 kW) maximum input rating at 3,800 RPM, hydraulic multi-disc clutch, ATF Dexron II or III oil requirement, 1.8-liter oil capacity, and 62 lb (28 kg) dry weight. Confirm compatibility with your engine manufacturer’s documentation before purchase.