Allis-Chalmers HD 21A crawler hydraulic bulldozer and single shank ripper, operating weight 24 tons, maximum speed 11 km/h. Engine: AC 204/225/273 HP Manufactured in the USA in 1955-69.
First Gear Inc., Peosta Iowa US, FGC583152, First Casting Series LE №1029 of ? pieces, Made in China in 2009.