Reviews : Athearn Locomotive Horn (6) Athearn Locomotive Horn (6) $8.89 Leave a Rating! ★ ★ ★ ★ ★ OR Write a Review! Write a Review Sort 5-Star: 1 (1 ratings) 4-Star: 0 (0 ratings) 3-Star: 0 (0 ratings) 2-Star: 0 (0 ratings) 1-Star: 0 (0 ratings) Reviews Perfect Detail Parts. By: johncpo41 (www.hobbiesinabarn) When detail is needed on your HO locomotives, this is a perfect solution. I highly recommended this part. (1)