Allis-Chalmers HD21A crawler with ejector scraper, Capacity 16 m3, weight 54 tons, maximum speed 11 km/h. Engine: Allis-Chalmers HDS/T844 204/225 HP Manufactured in the USA in 1955-69.
First Gear Inc., Peosta Iowa US, FGC583153, LE №0086, Made in China in 2009.