23493457 Aquamatic Drive | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Aquamatic drive with a 1.85:1 ratio, weighing 174.18 kg and listed for nine applications across D series engines and DPH drives. It supersedes 22079440; it is within a kilogram of the 1.69:1 drive, so the ratio is what separates them. A remanufactured version is also catalogued.

🚤 Compatibility

Typically suits:

• Volvo Penta D6-300A-G
• Volvo Penta D6-340A-G
• Volvo Penta D6-380A-G
• Volvo Penta DPH-E
• Volvo Penta D6-400A-G
• Volvo Penta D4-150A-G
• Volvo Penta D4-230A-G
• Volvo Penta D4-270A-G
• Volvo Penta D4-300A-G

• Engine Family: D, DPH
• HP Range: 150-400 HP

⚙️ Key Features

• Aquamatic drive with a 1.85:1 ratio
• 174.18 kg
• Supersedes 22079440
• Listed for nine applications across D series engines and DPH drives
• Within a kilogram of the 1.69:1 drive 23493456 - the ratio is what separates them
• Ratio 1.85:1 (Volvo assembly listing)

🔌 Function

Transmits the engine's output through the transom to the propeller, the 1.85:1 reduction giving the largest speed reduction of the three drives in this group.

⚠️ Common Signs of Failure

• Growling or whining from the drive under way
• Vibration felt through the hull as speed builds
• Gear oil milky or the level falling between services
• Oil film on the water around the drive
• Metal debris on the magnetic plug and worn gears found on strip-down

🛠️ Service Notes

• 69:1 drive 23493456 - they are within a kilogram of each other, so order by ratio and part number
• A remanufactured version is also catalogued against this fitment
• At over 170 kg this is a planned lift with proper equipment

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 23493457 → Supersedes 22079440 → Supersedes 21661428 → Supersedes 3862824 → Supersedes 3801122

OEM / Related Numbers

• 22079440 earlier number superseded by this part
• 21661428 earlier number superseded by this part
• 3862824 earlier number superseded by this part
• 3801122 earlier number superseded by this part

📦 Condition

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