Neptune prices

3 auction sales; model years 1937–1947; most recent sale $2,600 on May 23, 2026.

Recent results

• 1937 Neptune Model OB12B Outboard: Sold $2,600 · May 23, 2026 · Bring a Trailer
• 1938 Neptune Model 4A38 Outboard: Sold $1,700 · Jan 31, 2026 · Bring a Trailer
• 1947 Neptune Mighty Mite Outboard: Sold $3,500 · Nov 12, 2025 · Bring a Trailer