22775465 Reversing Gear Kit | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta HS45AE Marine Reversing Gear, 1.51:1 Ratio - Part Number: 22775465

A genuine complete Volvo Penta HS45AE reversing-gear assembly with a nominal reduction ratio of 1.51:1. The gear provides hydraulic forward, neutral and reverse operation and is supplied as a complete serviced transmission rather than an internal rebuild package.

⚙️ Key Features

• Complete genuine HS45AE reversing-gear assembly

• Nominal reduction ratio 1.51:1

• Hydraulic ahead and astern clutch operation

• Factory-matched housing, shafts, clutches, pump and valve system

• Final selection must be made by transmission model, ratio and serial number

📋 Kit Contents

• Complete assembled reversing gear - Volvo Penta 22775465

• Internal shafts, bearings, clutch packs, oil pump and control valve are factory assembled and are not supplied as separate items within the kit listing

• Engine adapter, flexible coupling, oil cooler, propeller flange and control hardware are separate unless specifically included in the installation package

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 22775465 current HS45AE 1.51:1 reversing-gear-kit reference

OEM / Related Numbers:

• HS45A / HS45AE transmission family

• ZF Marine ZF 45A is the related manufacturer-family transmission; ratio and installation must be matched

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

• ZF Marine ratio-matched transmission replacement - engineered conversion only; input flange, output flange, mounting centres, oil cooler and control interface must be verified

🚤 Compatibility

Commonly used on:

• Volvo Penta propulsion packages using the HS45AE transmission

• Shaft-drive vessels requiring the listed reduction ratio and matching installation geometry

Typically suits:

• Engine / drive models:

• D4 inboard propulsion packages using HS45A / HS45AE

• HS45A, HS45A-B, HS45AE-B and HS45AE-C installations requiring the 1.51:1 ratio

• HP Range: Approximately 150HP-300HP depending on duty rating

• Engine Type: down-angle hydraulic marine reversing gear

• Year Range: Approximately 2000s-2010s

• Serial Range: Transmission model, gear ratio, output flange and gearbox serial controlled; engine model alone is not sufficient

🔌 Function

The transmission reduces engine speed to the propeller shaft, provides forward and reverse engagement and transfers engine torque through hydraulically operated clutch packs.

Common signs of failure:

• Delayed or harsh forward / reverse engagement

• Transmission slips under load

• Gear oil is dark, contaminated or contains metal

• Hydraulic pressure is low or unstable

• Bearing, gear or clutch noise develops

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging