Liebherr PR 731 crawler hydraulic bulldozer, capacity 3.2 м3 Multi-Shank Ripper up to 0.5 meter deep, operating weight 14 tons, maximum speed 10 km/h. Engine: MB OM401 140 HP Manufactured in the France in 1972-78.
Gescha/Conrad GmbH, Kalchreuth Bayern Deutschland, CON2800.5, Made in West Germany in 1973.