1944 GMC 2-1/2-Ton Amphibian Truck. No wonder they call it the ‘Duck’ Published March 28, 2024 at 1536 × 1979 in GMC ← Previous Next → 1944 GMC 2-1/2-Ton Amphibian Truck. No wonder they call it the ‘Duck’ Source: www.flickr.com / Alden Jewell