M-R-S I-250, Mississippi Road Services, 4х2 wheel tractor + wooldridge cable scraper OS-50, capacity 38 m3, maximum speed 54 km/h. Engine: Cummins VT-12 650-CL 650 HP Manufactured in the USA in 1959.
Engineering Model Developments, Clarens NY US, EMDN076, LE, handmade, Made in Eastern Europe in 1990s.