Caterpillar PS-500 Pneumatic Roller, ballast 16 tons, Dimensions: 9 km/h, width 2.42 m, operating weight 19 tons, maximum speed 26.5 km/h. Engine: Cat 3208 150 HP Manufactured in the USA in 1980s.
Conrad GmbH, Kalchreuth Bayern Deutschland, CON2741.1, Made in Western Germany in 1986.