FOR SALE OEM Complete Volvo Penta DP-SM Outdrive Assembly 1.78 Ratio. is a highly sought-after DuoProp sterndrive. Excellent condition.
It combines an upper and lower gearcase to deliver the 1.78:1 total reduction necessary for V6 and V8 gas engines. It uses counter-rotating dual propellers to provide exceptional maneuverability, hole shots, and fuel efficiency.
Key Specifications
- Gear Ratio : 1.78:1 overall reduction
- Propulsion : DuoProp (counter-rotating dual prop)
- Drive Family : DP-SM (Stern Mount with cone clutch)













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