Caterpillar 621 4х2 self-propelled Scraper, Heaped Capacity 15.3 m3, capacity 22 tons, total weight 47 tons, maximum speed 51 km/h. Engine: Cat D336TA 300 HP Manufactured in the USA in 1965-74.
Nurnberger Zinkdruckguss-Modelle, Nurnberg Deutschland, NZG122.1, Made in Western Germany in 1970.