Detroit 6-71 Home » Equipment For Sale » Detroit 6-71 Product Details Brand: Detroit Diesel Model: 6-71 Marine Serial #: 6A35661 180 HP @ 1800 RPM Price $10,500.00 See also: Caterpillar 3406 Generator Set $35,000.00 Detroit 12V71 $9,500.00 Detroit 12V71 $18,500.00 << return to equipment