Detroit 12V71 Home » Equipment For Sale » Detroit 12V71 Product Details Brand: Detroit Diesel Model: 12V71 Marine Serial #: 12VA-82668 Reconditioned and Dyno Tested 350 HP @ 1800 RPM Price $18,500.00 See also: Detroit 12V71 $9,500.00 Detroit 471 $9,500.00 Detroit 6-71 $10,500.00 << return to equipment