23265931 Lower Gear | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta lower gear unit with a 1.85:1 ratio, weighing 104.5 kg and listed for 11 applications across D series engines and DPI drives. It is a substantially heavier assembly than the 1.69:1 version, so both the ratio and the lift need planning.

🚤 Compatibility

Typically suits:

• Volvo Penta D6-300A-G
• Volvo Penta D6-340A-G
• Volvo Penta D6-380A-G
• Volvo Penta DPI-A
• Volvo Penta D6-400A-G
• Volvo Penta D6-440A-G
• Volvo Penta D4-150A-G
• Volvo Penta D4-230A-G
• Volvo Penta D4-270A-G
• Volvo Penta D4-320A-G
• Volvo Penta D4-300A-G

• Engine Family: D, DPI
• HP Range: 150-440 HP

⚙️ Key Features

• 1.85:1 ratio
• 104.5 kg
• Listed for 11 applications across D series engines and DPI drives
• Substantially heavier than the 1.69:1 unit 23265930
• Ratio 1.85:1 (Volvo assembly listing)

🔌 Function

Carries the drive down to the propeller shafts and sets the final reduction between engine and propellers through its 1.85:1 gearset.

⚠️ Common Signs of Failure

• Whine or growl from the lower unit under power
• Milky or metal-flecked drive oil
• Clunk or shudder as drive is engaged
• Water past the propeller shaft seals
• Teeth chipped or bearing races brinelled when stripped

🛠️ Service Notes

• At over 100 kg this needs proper lifting equipment and a planned support before removal
• Confirm the ratio on the drive before ordering - the 1.69:1 unit is 23265930
• Match the propellers to the ratio and keep both drives in a twin installation the same

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging